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Asian people paying or buying hygienic drinking water from automatic vending machine in area lacking clean water,student inserting

Asian people paying or buying hygienic drinking water from automatic vending machine in area lacking clean water,student inserting

Asian woman Feeling tired or lacking energy after waking up and not feeling refreshed to start the day at the

Asian woman Feeling tired or lacking energy after waking up and not feeling refreshed to start the day at the

Bored woman thinking over startup in office, lacking new ideas, unmotivated

Bored woman thinking over startup in office, lacking new ideas, unmotivated

Woman missing sweet home, lacking dog. Homesick girl yearning for house, pet in heart, mind, dreams and thoughts. Warm

Woman missing sweet home, lacking dog. Homesick girl yearning for house, pet in heart, mind, dreams and thoughts. Warm

Failure Word Displays Inept Unsuccessful Or Lacking

Failure Word Displays Inept Unsuccessful Or Lacking

Asian Woman Feeling Bored and Lacking Inspiration to Start Working, Sitting in Front of Computer with No Ideas

Asian Woman Feeling Bored and Lacking Inspiration to Start Working, Sitting in Front of Computer with No Ideas

The concept of natural drought of the environment on Earth: causes animals buffalo lacking food, dry soil, soil, background

The concept of natural drought of the environment on Earth: causes animals buffalo lacking food, dry soil, soil, background

Woman working late in office, feeling tired and lacking ideas, overwork concept

Woman working late in office, feeling tired and lacking ideas, overwork concept

freshwater fish is lacking oxygen.

freshwater fish is lacking oxygen.

Toy donation box to deliver these items to those who are lacking.

Toy donation box to deliver these items to those who are lacking.

a cluttered desk with stacks of papers, representing a disorganized workspace lacking clear surfaces for efficient work

a cluttered desk with stacks of papers, representing a disorganized workspace lacking clear surfaces for efficient work

Anh, Hanoi, Vietnam - Sep 20, 2015: Schoolgirl do homework on table on yard in front of her house. Lacking of good education

Anh, Hanoi, Vietnam - Sep 20, 2015: Schoolgirl do homework on table on yard in front of her house. Lacking of good education

Picturesque House Surrounded By Flower Pots Decorated And Lacking Plants Around It In Taramundi, Asturias, Spain. Art, History, Tr

Picturesque House Surrounded By Flower Pots Decorated And Lacking Plants Around It In Taramundi, Asturias, Spain. Art, History, Tr

Writer

Career dangers

A rare orchids Phalaenopsis cornu-cervi fma.chattaladae is a very rare and recently-described form of Phalaenopsis cornu-cervi

From the typical form of the species it differs in sepals and petals completely lacking dots, bands, or blotches and on both sides, even to the margin, uniformly blood-red.

Architecture without frills

Apartments or office blocks with rectangular shape lacking decoration and with repeated features on a gray day with glowering sky. Apartments or office blocks with rectangular shape lacking decoration and with repeated features on a gray day with glowering sky.

Woman hand are scooping water on cracked ground.

Woman hand are scooping water on cracked ground, Crisis of water shortage. Woman hand are scooping water on cracked ground, Crisis of water shortage.

A snail slowly crawling on the grasses.

Dollars & Cents

The new Singapore coins (Bi-metallic dollar and others, only lacking the new 5 cents coin). The new Singapore coins (Bi-metallic dollar and others, only lacking the new 5 cents coin)

Toned old chair alone in dirt

The cheetah (Acinonyx jubatus) is an atypical member of the cat family (Felidae) that is unique in its speed, while lacking strong climbing abilities. The species is the only living member of the genus Acinonyx. It is the fastest land animal, reaching speeds between 112 and 120 km/h (70 and 75 mph).

An abstract close-up photograph of pointy toothpicks. Suggests chaos.

Carp in the hands of the fisherman. Carp in the hands of the fisherman.

Many people are lacking of love today, so they make a wish by locking lockers to the fence. Unfortunately, love in present days is a bond, blocking freedom... so they are all just burden of love ...flying nowhere

Empty Bird Feeder

White alligator

Very rare and unusual white alligator. The alligator is not actually white but is lacking pigment.

Eaten green apple

A bitten fresh green apple on white background. A bitten fresh green apple on white background

Cat with Wounded Eye

A feral cat with an infected eye looks up from a food bowl to see if anyone is watching. A feral cat with an infected eye looks up from a food bowl to see if anyone is watching.

House Construction

House Construction in Bangkok, Thailand.

Young business man and woman working on a pda

Young business man and woman working on a pda (isolated on white)

Asia coins in white plate with spoon

Asia coins in white plate with spoon, full to eat asia.

US dollar bills in blue jeans pocket.

US dollar bills in blue jeans pocket, Good earn money. US dollar bills in blue jeans pocket, Good earn money.

Rock in the desert

Granite rock in the desert, sparkling in the sun surrounded by sand and tall spikes of dry grass, blue sky background.,

Mayhem at a football match

Big crowds attending a football match waving yellow flags but play not visible due to smoke from fireworks set off by hooligans. Big crowds attending a football match waving yellow flags but play not visible due to smoke from fireworks set off by hooligans.

Skyscrapers reflected in lake

Series of skyscrapers on a gray day with road, cars and traffic lights at ground level and railings all reflected in a lake or large pond, gray sky. Series of skyscrapers on a gray day with road, cars and traffic lights at ground level and railings all reflected in a lake or large pond, gray sky.

Illuminated Manuscript, Book of Hours, Crucifixion, Walters Art Museum Ms. W.165, fol. 23v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The Illumination begins the short hours of the cross: None. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The Illumination begins the short hours of the cross: None.

Illuminated Manuscript, Book of Hours, St. Agnes, Walters Art Museum Ms. W.165, fol. 125v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The prayer begins the suffrage. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The prayer begins the suffrage.

Illuminated Manuscript, Book of Hours, Holy Cross with Symbols of the four Evangelists, Walters Art Museum Ms. W.165, fol. 113v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayer to the holy cross. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayer to the holy cross.

Illuminated Manuscript, Book of Hours, Five Wounds of Christ, Walters Art Museum Ms. W.165, fol. 110v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayer to the five wounds. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayer to the five wounds.

Illuminated Manuscript, Book of Hours, Last Judgment, Walters Art Museum Ms. W.165, fol. 100v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayers to the limbs of Christ. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the prayers to the limbs of Christ.

Illuminated Manuscript, Book of Hours, The Arrest of Christ, Walters Art Museum Ms. W.165, fol. 13v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the short hours of the cross. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the short hours of the cross.

Illuminated Manuscript, Book of Hours, St. Barbara, Walters Art Museum Ms. W.165, fol. 127v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage.

Illuminated Manuscript, Book of Hours, St. John the Baptist, Walters Art Museum Ms. W.165, fol. 118v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage.

Illuminated Manuscript, Book of Hours, Decorated Initial, Walters Art Museum Ms. W.165, fol. 131r

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. Office of the Dead. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. Office of the Dead.

Illuminated Manuscript, Book of Hours, St. Catherine, Walters Art Museum Ms. W.165, fol. 123v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage.

Illuminated Manuscript, Book of Hours, St. Anthony, Walters Art Museum Ms. W.165, fol. 116v

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. The illumination begins the suffrage.

Illuminated Manuscript, Book of Hours, Decorated Initial, Walters Art Museum Ms. W.165, fol. 27r

This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. Short hours of the cross: Vespers. This mid-fifteenth century illuminated Book of Hours is written entirely in Dutch on fine vellum, and is remarkable for its eighteen grisaille miniatures. The technique, wherein the figures are modeled primarily in a gray wash, became a favorite in the Netherlands, and the hand behind the paintings in this manuscript has been identified with a group of artists known as the "Masters of the Delft Grisailles." This manuscript has been grouped with more than a dozen related works, including New York PML M. 349, London, Victoria and Albert Geo. Reid Ms. 32, Leiden B.P.L. 224, Brussels, BR 21696, Antwerp, Plantein Moretus Ms. 49, and the Hague K.B. Ms. 74 G 35. The manuscript is comprised of 152 folios and is almost completely intact, lacking only two miniatures, and retains its original brown leather binding decorated with mythological beasts and a now illegible inscription. The calendar is for the use of Utrecht, which helps localize its original ownership, as might a mostly erased ownership inscription that has been partially recovered by Marrow. Short hours of the cross: Vespers.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, October 2010. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, October 2010. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, October 2010. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, October 2010. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Red Mountain Trail No. 159

Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website. Red Mountain is a volcanic cinder cone that rises 1,000 feet above the surrounding landscape. It is unusual in having the shape of a "U," and in lacking the symmetrical shape of most cinder cones. In addition, a large natural amphitheater cuts into the cone's northeast flank. Erosional pillars called "hoodoos" decorate the amphitheater, and many dark mineral crystals erode out of its walls. Studies by U.S. Geological Survey (USGS) and Northern Arizona University scientists suggest that Red Mountain formed in eruptions about 740,000 years ago. The trailhead is located on U.S. Highway 180, 25 miles northwest of Flagstaff, Arizona. The trail is an easy 1.5 miles through open terrain with fantastic views of the San Francisco Peaks and surrounding San Francisco Volcanic Field. There is a short (approximately 6 feet) ladder climb required just before entering the natural amphitheater of the cinder cone. Photo by Deborah Lee Soltesz, February 2015. Credit: U.S. Forest Service, Coconino National Forest. For more information about this trail, see the Red Mountain Trail #159 trail description on the Coconino National Forest website.

Skeleton sculpture working at computer

Skeleton (sculpture) wearing headphones sitting in a black swivel chair working the keyboard of a computer on a yellow desk, white and pale blue background. Concept of computers killing us. Skeleton (sculpture) wearing headphones sitting in a black swivel chair working the keyboard of a computer on a yellow desk, white and pale blue background. Concept of computers killing us.

Gymnosperm Stem: Two Year Pinus

cross section: Pinus stem magnification: 100x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 100x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Three Year Pinus

cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Cambium in Two Year Pinus

cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Cork and Cortex in Three Year Pinus

cross section: Pinus stem magnification: 100x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 100x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Three Year Pinus

cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Cambium in Three Year Pinus

cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Two Year Pinus

cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 40x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

Gymnosperm Stem: Pith in Two Year Pinus

cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts. cross section: Pinus stem magnification: 400x During the first year of growth the cutinized epidermis is replaced by protective growth of cork rich periderm. The outer periderm consists of layers of cork cells, the phellem, which produces waterproofing suberin. Cork cells are dead at maturity. Deep to the phellem is a living layer of cork cambium or phellogen and beneath that, layers of cork parenchyma or phelloderm. Many cells in the periderm contain dark staining tannins. The cortex is divided into a thin outer hypodermis of lignified sclerenchyma cells and thicker inner cortex of thin walled parenchyma cells containing chloroplasts. Large resin ducts are surrounded by secretory parenchyma that produces resins and turpentines. Some cells enlarge into dark staining tyloses. Both endoderm and pericycle are inconspicuous. The vascular cylinder or stele in young stems consists of a ring of vascular bundles interspaced with medullary rays of parenchyma cells. Seasonal activity of the cambium replaces the isolated vascular bundles with well-defined annual rings of secondary phloem and xylem. Xylem is endarch with protoxylem found towards center of the stem and younger metaxylem towards the periphery of the stem. Protoxylem consists of annular and spiral tracheids with only tracheids found in metaxylem. True xylem vessels are lacking. Because of the greater production of xylem, the vascular cylinder is dominated by radially arranged rays of secondary xylem interspaced with medullary rays of parenchyma cells. Conspicuous resin ducts are present throughout the xylem. Phloem is endarch but annual growth the of stem makes it difficult to distinguish between older protophloem to the periphery and younger metapholem towards center of the stem. Phloem lacks companion cells, consisting entirely of sieve tubes and phloem parenchyma. Medullary rays in the secondary phloem include protein rich albuminous cells. A well-defined pith of parenchyma cells is interrupted by a few large resin ducts.

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