ClipArt ETC
"Diagram showing how, in Indian corn, the food from the upper and lower leaves finds its way into the ears." -Stevens, 1916

Indian Corn Food Circulation

"Diagram showing how, in Indian corn, the food from the upper and lower leaves finds its way into the…

"Diagram to show food from the leaves descending through the sieve tubes and being stored in the medullary ray cells and xylem parenchyma." -Stevens, 1916

Plant Food Storage

"Diagram to show food from the leaves descending through the sieve tubes and being stored in the medullary…

"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…

Of the pulse family (Leguminosae), the milk vetch or Astragalus canadensis.

Milk Vetch

Of the pulse family (Leguminosae), the milk vetch or Astragalus canadensis.

Of the pulse family (Leguminosae), the leaves of the beach pea or Lathyrus maritimus.

Beach Pea Leaves

Of the pulse family (Leguminosae), the leaves of the beach pea or Lathyrus maritimus.

Of the pulse family (Leguminosae): large image, the partridge pea with pods (Cassia Chamaecrista); leaves on left side, Strophostyles helvola.

Partridge Pea

Of the pulse family (Leguminosae): large image, the partridge pea with pods (Cassia Chamaecrista); leaves…

Of the cashew family (Anacardiaceae), poison sumac or Rhus Vernix.

Poison Sumac

Of the cashew family (Anacardiaceae), poison sumac or Rhus Vernix.

Of the cashew family (Anacardiaceae), poison ivy or Rhus toxicodendron.

Poison Ivy

Of the cashew family (Anacardiaceae), poison ivy or Rhus toxicodendron.

"Embryo germinating: a running into the ground to become a root; b running up to form a stem; c the tube which supplies nutriment from the cotyledons until both roots and leaves are ready to work." -Newman, 1850

Cotyledon Germinating

"Embryo germinating: a running into the ground to become a root; b running up to form a stem; c the…

This image is of a secund plant, with leaves arranged on one side only.

Secund

This image is of a secund plant, with leaves arranged on one side only.

The images are of papilionaceous leaves, shaped like a butterfly or corolla.

Papilionaceous Leaves

The images are of papilionaceous leaves, shaped like a butterfly or corolla.

"A young radish, showing seed leaves." -Newman, 1850

Radish

"A young radish, showing seed leaves." -Newman, 1850

"Bracteae.--Small leaves placed between the proper leaves of the plant and the flower-cup." -Newman, 1850

Bractea

"Bracteae.--Small leaves placed between the proper leaves of the plant and the flower-cup." -Newman,…

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

Sessile

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

"Connate.--Situated opposite each other, and joined at the base." -Newman, 1850

Connatum

"Connate.--Situated opposite each other, and joined at the base." -Newman, 1850

"Decurrent.--When leaves run down the stem to a point considerably below the place where they diverge from it." -Newman, 1850

Decurrent Leaf

"Decurrent.--When leaves run down the stem to a point considerably below the place where they diverge…

"Imbricate.--When leaves are laid one over another, like tiles on a roof, they are said to be imbricated." -Newman, 1850

Imbricated Leaves

"Imbricate.--When leaves are laid one over another, like tiles on a roof, they are said to be imbricated."…

Spreading leaves.

Spreading Leaves

Spreading leaves.

"Stipulae.--Two small leaves, placed usually at the base of the floral leaf, and on opposite sides of the branch." -Newman, 1850

Stipule

"Stipulae.--Two small leaves, placed usually at the base of the floral leaf, and on opposite sides of…

"Binate.--With two leaflets." -Newman, 1850

Binate

"Binate.--With two leaflets." -Newman, 1850

Opposite leaves, in adjacent pairs.

Opposite Leaves

Opposite leaves, in adjacent pairs.

Upright leaves.

Upright Leaves

Upright leaves.

"Tripinnate.--Triple rows of leaflets." -Newman, 1850

Tripinnate

"Tripinnate.--Triple rows of leaflets." -Newman, 1850

"Fascicles.--When leaves or flowers grow more than two together they are said to be fasciculated, or in fascicles." -Newman, 1850

Fascicles

"Fascicles.--When leaves or flowers grow more than two together they are said to be fasciculated, or…

A decorative doodad with feather arrows, a bow, and leaves.

Native American Doodad

A decorative doodad with feather arrows, a bow, and leaves.

A decorative divider with flowers and leaves.

Floral Divider

A decorative divider with flowers and leaves.

A decorative divider with birds, plants, and spiders.

Nature Divider

A decorative divider with birds, plants, and spiders.

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.

A decorative divider with wheat in the center, surrounded by dogs, rabbits, and other plants.

Animal Divider

A decorative divider with wheat in the center, surrounded by dogs, rabbits, and other plants.

A decorative divider with leaves, flowers, and birds.

Leaves Divider

A decorative divider with leaves, flowers, and birds.

A decorative divider with Greek statues, musical instruments, and flowers.

Greek Divider

A decorative divider with Greek statues, musical instruments, and flowers.

A decorative divider with leaves and birds.

Leaf Divider

A decorative divider with leaves and birds.

A decorative divider with leaves and birds.

Bird Divider

A decorative divider with leaves and birds.

A decorative divider with griffins, cornucopias, grapes, and leaves.

Greek Divider

A decorative divider with griffins, cornucopias, grapes, and leaves.

A decorative divider with griffins, Greek statues, and cornucopias.

Greek Divider

A decorative divider with griffins, Greek statues, and cornucopias.

Of the Parsley family (Umbelliferae): left, cowbane (Oxypolis rigidior); right, golden Alexanders (Thaspium aureum).

Cowbane and Golden Alexanders

Of the Parsley family (Umbelliferae): left, cowbane (Oxypolis rigidior); right, golden Alexanders (Thaspium…

Of the Parsley family (Umbelliferae), the poison hemlock (Conium maculatum).

Poison Hemlock

Of the Parsley family (Umbelliferae), the poison hemlock (Conium maculatum).

Of the Parsley family (Umbelliferae), the water pennywort (Hydrocotyle Americana).

Water Pennywort

Of the Parsley family (Umbelliferae), the water pennywort (Hydrocotyle Americana).

Of the Heath family (Ericaceae), the rhodora (Rhododendron canadense).

Rhodora

Of the Heath family (Ericaceae), the rhodora (Rhododendron canadense).

Of the Milkweed family (Asclepiadaceae): left, poke milkweed (Asclepias phytolaccoides); right, four-leaved milkweed (Asclepias quadrifolia).

Poke Milkweed and Four-Leaved Milkweed

Of the Milkweed family (Asclepiadaceae): left, poke milkweed (Asclepias phytolaccoides); right, four-leaved…

Of the Mint family (Labiatae), the peppermint (Mentha piperita).

Peppermint

Of the Mint family (Labiatae), the peppermint (Mentha piperita).

Of the Mint family (Labiatae), the spearmint (Mentha spicata).

Spearmint

Of the Mint family (Labiatae), the spearmint (Mentha spicata).

Of the Mint family (Labiatae), the leaf of the water mint (Mentha aquatica.

Water Mint Leaf

Of the Mint family (Labiatae), the leaf of the water mint (Mentha aquatica.

Of the Mint family (Labiatae), the lower leaf of the cut-leaved water horehound (Lycopus americanus).

Cut-Leaved Water Horehound Leaf

Of the Mint family (Labiatae), the lower leaf of the cut-leaved water horehound (Lycopus americanus).

Of the Mint family (Labiatae), the leaf of the corn mint (Mentha arvensis).

Corn Mint Leaf

Of the Mint family (Labiatae), the leaf of the corn mint (Mentha arvensis).

Of the Mint family (Labiatae), the wild mint (Mentha arvensis var. Canadensis).

Wild Mint

Of the Mint family (Labiatae), the wild mint (Mentha arvensis var. Canadensis).

Of the Mint family (Labiatae), the wild bergamot (Monarda fistulosa var. rubra).

Wild Bergamot

Of the Mint family (Labiatae), the wild bergamot (Monarda fistulosa var. rubra).

Of the Mint family (Labiatae), the self-heal (Prunella vulgaris).

Self-Heal

Of the Mint family (Labiatae), the self-heal (Prunella vulgaris).

Of the Mint family (Labiatae), the motherwort (Leonurus Cardiaca).

Motherwort

Of the Mint family (Labiatae), the motherwort (Leonurus Cardiaca).

Of the Nightshade family (Solanaceae), the black nightshade (Solanum nigrum).

Black Nightshade

Of the Nightshade family (Solanaceae), the black nightshade (Solanum nigrum).

Of the Nightshade family (Solanaceae), the purple thorn apple (Datura Tatula).

Purple Thorn Apple

Of the Nightshade family (Solanaceae), the purple thorn apple (Datura Tatula).

Of the Figwort family (Scrophulariaceae), the pentstemon (Penstemon hirsutus).

Pentstemon

Of the Figwort family (Scrophulariaceae), the pentstemon (Penstemon hirsutus).

Of the plantain family (Plantaginaceae), the English plantain (Plantago lanceolata).

English Plantain

Of the plantain family (Plantaginaceae), the English plantain (Plantago lanceolata).

Of the Honeysuckle family (Caprifoliaceae), the Indian currant (Symphoricarpos orbiculatus) and the leaves of elder (Sambucus canadensis).

Indian Currant and Elder Leaves

Of the Honeysuckle family (Caprifoliaceae), the Indian currant (Symphoricarpos orbiculatus) and the…

Of the Honeysuckle family (Caprifoliaceae), the fly-honeysuckle (Lonicera canadensis).

Fly-Honeysuckle

Of the Honeysuckle family (Caprifoliaceae), the fly-honeysuckle (Lonicera canadensis).

Of the Valerian family (Valerianaceae), the swamp valerian (Valeriana uliginosa).

Swamp Valerian

Of the Valerian family (Valerianaceae), the swamp valerian (Valeriana uliginosa).

Of the Gourd family (Cucurbitaceae), the climbing wild cucumber (Echinocystis lobata).

Climbing Wild Cucumber

Of the Gourd family (Cucurbitaceae), the climbing wild cucumber (Echinocystis lobata).

Of the Composite family (Compositae), the boneset (Mikania scandens).

Boneset

Of the Composite family (Compositae), the boneset (Mikania scandens).

Of the Composite family (Compositae), the sharp-leaved wood aster (Aster acuminatus).

Sharp-Leaved Wood Aster

Of the Composite family (Compositae), the sharp-leaved wood aster (Aster acuminatus).

Of the arrowhead family (Sagittaria), Sagittaria heterophylla.

Sagittaria heterophylla

Of the arrowhead family (Sagittaria), Sagittaria heterophylla.