ClipArt ETC
A leaf from a whitewood or tulip tree.

Whitewood Leaf

A leaf from a whitewood or tulip tree.

A leaf from an American elm tree.

American Elm Leaf

A leaf from an American elm tree.

"A branch of hemlock bearing leaves and cones." -University Society, 1920

Hemlock Branch

"A branch of hemlock bearing leaves and cones." -University Society, 1920

The fruit and leaves of a beech tree.

Beech Fruit and Leaves

The fruit and leaves of a beech tree.

The flowers and leaves of a chestnut tree.

Chestnut Leaves

The flowers and leaves of a chestnut tree.

The flowers and fruits of a chestnut tree.

Chestnut Fruit

The flowers and fruits of a chestnut tree.

The leaf of a chestnut tree.

Chestnut Leaf

The leaf of a chestnut tree.

The leaf of a chestnut-oak tree.

Chestnut-Oak Leaf

The leaf of a chestnut-oak tree.

The leaf of a white oak tree.

White Oak Leaf

The leaf of a white oak tree.

The leaf of a red oak tree.

Red Oak Leaf

The leaf of a red oak tree.

The leaf of a post-oak tree.

Post-Oak Leaf

The leaf of a post-oak tree.

The leaf of a live-oak tree.

Live-Oak Leaf

The leaf of a live-oak tree.

The leaf of a mossy-cup oak tree.

Mossy-Cup Oak Leaf

The leaf of a mossy-cup oak tree.

The leaf of a white oak tree.

White Oak Leaf

The leaf of a white oak tree.

The leaf of a scarlet oak tree.

Scarlet Oak Leaf

The leaf of a scarlet oak tree.

The leaf of a pin-oak tree.

Pin-Oak Leaf

The leaf of a pin-oak tree.

The leaf of a English oak tree.

English Oak Leaf

The leaf of a English oak tree.

The leaf of a Black-jack oak tree.

Black-Jack Oak Leaf

The leaf of a Black-jack oak tree.

The leaf of a Black oak tree.

Black Oak Leaf

The leaf of a Black oak tree.

The leaf of a laurel-oak tree.

Laurel-Oak Leaf

The leaf of a laurel-oak tree.

The leaf of a willow-oak tree.

Willow-Oak Leaf

The leaf of a willow-oak tree.

"Buds, leaves, flowers, and fruit of American Elm." -University Society, 1920

Elm Leaves

"Buds, leaves, flowers, and fruit of American Elm." -University Society, 1920

The leaves and fruit of the wild black cherry tree.

Wild Black Cherry

The leaves and fruit of the wild black cherry tree.

The leaf of a Norway Maple tree.

Norway Maple

The leaf of a Norway Maple tree.

The leaf of a Japanese Maple tree.

Japanese Maple

The leaf of a Japanese Maple tree.

The leaf of a Silver Maple tree.

Silver Maple

The leaf of a Silver Maple tree.

The leaf of a Red or Swamp Maple tree.

Red or Swamp Maple

The leaf of a Red or Swamp Maple tree.

The leaf of a Sycamore Maple tree.

Sycamore Maple

The leaf of a Sycamore Maple tree.

The leaf of a Sugar Maple tree.

Sugar Maple

The leaf of a Sugar Maple tree.

"Leaves and fruit of the common persimmon." -University Society, 1920

Persimmon

"Leaves and fruit of the common persimmon." -University Society, 1920

Little Bo Peep with her sheep, whose tails are tacked to the tree above.

Little Bo Peep

Little Bo Peep with her sheep, whose tails are tacked to the tree above.

A woodman chopping down a tree.

Woodman

A woodman chopping down a tree.

A boy sitting up in a tree with his kite.

Boy in Tree

A boy sitting up in a tree with his kite.

A boy sitting on a tree stump.

Boy on Stump

A boy sitting on a tree stump.

Suppose a person was looking at a church with a tree standing at its side, he would have in each eye an actual inverted panorama of the objects, as seen in this image. The mind then reads this image as right-side up.

Formation of an Image on the Eyeball

Suppose a person was looking at a church with a tree standing at its side, he would have in each eye…

"Diagram of the progress of a dune, from a to be. The arrow flies with the wind. A live tree standing before the dune when it is at a will be buried by the advance to b. Another tree, previously killed and still covered by the dune, will be brought to light when it has reached b." -Johnson, 1910

Dune Progress

"Diagram of the progress of a dune, from a to be. The arrow flies with the wind. A live tree standing…

The mourning dove, Zenaidura macroura.

Mourning Dove

The mourning dove, Zenaidura macroura.

A man measuring the height of a tree by determining the angle and how far away he is standing.

Measuring Tree Height

A man measuring the height of a tree by determining the angle and how far away he is standing.

"Diagrammatic representation of a block of pine wood highly magnified. a, Early growth; b, late growth; c, intercellular space; d, bordered pit in tangential wall of late growth; m, f and e, bordered pit in radial wall of early growth from different points of view; h, row of medullary cells for carrying food; g, row of medullary ray cells for carrying water; k, thin place in radial wall of ray cells that carry food." -Stevens, 1916

Magnified Pine

"Diagrammatic representation of a block of pine wood highly magnified. a, Early growth; b, late growth;…

"Diagram to show the radial flow of water in pine wood, from the tracheids of the late growth of one year into those of early growth of the succeeding year." -Stevens, 1916

Water Flow in Pine

"Diagram to show the radial flow of water in pine wood, from the tracheids of the late growth of one…

"Diagram indicating by arrows how the water in the tracheids of pine passes longitudinally from one tracheid to another." -Stevens, 1916

Water Flow in Pine

"Diagram indicating by arrows how the water in the tracheids of pine passes longitudinally from one…

Illustration of a tree branch with 7 birds and one flying away. It can be used to write mathematics story problems involving addition and subtraction. For example: 8 birds were on the tree. One flew away. How many feet were left?

8 Birds On A Tree Branch

Illustration of a tree branch with 7 birds and one flying away. It can be used to write mathematics…

"Showing the planes in which sections are cut transversely." -Stevens, 1916

Cutting Sections Transversely

"Showing the planes in which sections are cut transversely." -Stevens, 1916

"Showing the planes in which sections are cut longitudinal radially" -Stevens, 1916

Cutting Radially

"Showing the planes in which sections are cut longitudinal radially" -Stevens, 1916

"Showing the planes in which sections are cut longitudinal tangentially." -Stevens, 1916

Cutting Tangentially

"Showing the planes in which sections are cut longitudinal tangentially." -Stevens, 1916

"The repairing of a rent in the nest of the red tree ant (Ecophylla smaragdina). The nest is made of leaves, held together with a silken web. The figure shows the workers repairing a rent, one brigade of them being occupied in drawing the edges of the leaves together, while the others on the inside of the nest move the spinning larvae back and forth across the gap." -National Geographic, 1912

Red Tree Ants

"The repairing of a rent in the nest of the red tree ant (Ecophylla smaragdina). The nest is made of…

"A a large, B a small spherical, sponge-like mass of earth which is built around the axils of the branches of trees in the tropical forests and...is seeded by ants with parasitic plants." -National Geographic, 1916

Ant Gardens

"A a large, B a small spherical, sponge-like mass of earth which is built around the axils of the branches…

A decorative doodad or divider of a tree.

Tree Doodad

A decorative doodad or divider of a tree.

A decorative doodad or divider of a plant in a vase.

Plant Doodad

A decorative doodad or divider of a plant in a vase.

Of the staff-tree family (Celastraceae), the climbing bittersweet waxwork or Celastrus scandens).

Climbing Bittersweet Waxwork

Of the staff-tree family (Celastraceae), the climbing bittersweet waxwork or Celastrus scandens).

Of the staff-tree family (Celastraceae), the mountain lover of Pachystima Canbyi.

Mountain Lover

Of the staff-tree family (Celastraceae), the mountain lover of Pachystima Canbyi.

"Dissection of Holothurian (Holothuria tubulosa) from the ventral surface." t, tentacles; tf, scattered tube-feet; c, calcareous ring; a, ampullae of tentacles; r, circular vessel; st, stone canal; o, Polian vesicle; rc, radial canals; lm, longitudinal muscles; g1-g2, gut; m, mesentery; cl, cloaca; an, anus; rt, right respiratory tree; ov, ovary. -Thomson, 1916

Holothurian Dissection

"Dissection of Holothurian (Holothuria tubulosa) from the ventral surface." t, tentacles; tf, scattered…

The bayberry or Myrica cerifera is small tree native to North America and used in candlemaking and for medicinal purposes.

Bayberry

The bayberry or Myrica cerifera is small tree native to North America and used in candlemaking and for…

The spotted wintergreen or Chimaphila maculata is a perennial herb used for medicinal purposes.

Spotted Wintergreen

The spotted wintergreen or Chimaphila maculata is a perennial herb used for medicinal purposes.

"Cone.--A particular kind of compound fruit, such as that of the pine tribe." -Newman, 1850

Cone

"Cone.--A particular kind of compound fruit, such as that of the pine tribe." -Newman, 1850

Maple seeds.

Maple Seed

Maple seeds.

A lion, rabbit, hawk, all gather around the tree for a meeting held by the owl.

Animals Gathering

A lion, rabbit, hawk, all gather around the tree for a meeting held by the owl.

A blue jay mocks and laughs at the owl.

Owl and Blue Jay

A blue jay mocks and laughs at the owl.

An eagle sits on a branch in a tree.

Eagle in Tree

An eagle sits on a branch in a tree.

A decorative divider with a vase in the center surrounded by flowers, plants, and pine cones.

Vase Divider

A decorative divider with a vase in the center surrounded by flowers, plants, and pine cones.