ClipArt ETC
This shows the branch of Hop Hornbeam, Ostrya virginiana, showing the staminate aments as they appear in winter,(Keeler, 1915).

Hop Hornbeam Branch

This shows the branch of Hop Hornbeam, Ostrya virginiana, showing the staminate aments as they appear…

This shows the pistillate and staminate aments of Hop Hornbeam, Ostrya virginiana, (Keeler, 1915).

Hop Hornbeam Flowers

This shows the pistillate and staminate aments of Hop Hornbeam, Ostrya virginiana, (Keeler, 1915).

This shows the pistillate and staminate aments of Hornbeam, Carpinus caroliniana, (Keeler, 1915).

Hornbeam Flowers

This shows the pistillate and staminate aments of Hornbeam, Carpinus caroliniana, (Keeler, 1915).

This shows a sprouting acorn (Keeler, 1915).

Acorn

This shows a sprouting acorn (Keeler, 1915).

This shows the staminate flower of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

Scarlet Oak Flowers

This shows the staminate flower of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

This shows the pistillate flower of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

Scarlet Oak Flowers

This shows the pistillate flower of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

This shows the acorn of Post Oak, Quercus minor, (Keeler, 1915).

Post Oak Acorn

This shows the acorn of Post Oak, Quercus minor, (Keeler, 1915).

This shows the acorn of Bur Oak, Quercus macrocarpa, (Keeler, 1915).

Bur Oak Acorn

This shows the acorn of Bur Oak, Quercus macrocarpa, (Keeler, 1915).

This shows the acorn of chestnut Oak, Quercus prinus, (Keeler, 1915).

Chestnut Oak Acorn

This shows the acorn of chestnut Oak, Quercus prinus, (Keeler, 1915).

This shows the acorn of Yellow Oak, Quercus acuminata, (Keeler, 1915).

Yellow Oak Acorn

This shows the acorn of Yellow Oak, Quercus acuminata, (Keeler, 1915).

This shows the acorn of Chinquapin Oak, Quercus prinoides, (Keeler, 1915).

Chinquapin Oak Acorn

This shows the acorn of Chinquapin Oak, Quercus prinoides, (Keeler, 1915).

This shows the acorn of Swamp White Oak, Quercus platanoides, (Keeler, 1915).

Swamp Oak Acorn

This shows the acorn of Swamp White Oak, Quercus platanoides, (Keeler, 1915).

This shows the acorn of Red Oak, Quercus rubra, (Keeler, 1915).

Red Oak Acorn

This shows the acorn of Red Oak, Quercus rubra, (Keeler, 1915).

This shows the acorn of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

Scarlet Oak Acorn

This shows the acorn of Scarlet Oak, Quercus coccinea, (Keeler, 1915).

This shows two leaves of Spanish Oak, Quercus digitata, (Keeler, 1915).

Spanish Oak Leaves

This shows two leaves of Spanish Oak, Quercus digitata, (Keeler, 1915).

This shows acorns of Spanish Oak, Quercus digitata, (Keeler, 1915).

Spanish Oak Acorn

This shows acorns of Spanish Oak, Quercus digitata, (Keeler, 1915).

This shows the acorn of Pin Oak, Quercus palustris, (Keeler, 1915).

Pin Oak Acorn

This shows the acorn of Pin Oak, Quercus palustris, (Keeler, 1915).

This shows the acorn of Bear Oak, Quercus ilicifolia, (Keeler, 1915).

Bear Oak Acorn

This shows the acorn of Bear Oak, Quercus ilicifolia, (Keeler, 1915).

This shows the acorn of Black Jack Oak, Quercus marilandica, (Keeler, 1915).

Black Jack Oak Acorn

This shows the acorn of Black Jack Oak, Quercus marilandica, (Keeler, 1915).

This shows the acorn of Shingle Oak, Quercus imbricaria, (Keeler, 1915).

Shingle Oak Acorn

This shows the acorn of Shingle Oak, Quercus imbricaria, (Keeler, 1915).

This shows the acorn of Willow Oak, Quercus phellos, (Keeler, 1915).

Willow Oak Acorn

This shows the acorn of Willow Oak, Quercus phellos, (Keeler, 1915).

This shows the unfolding leaves of the Beech branch, (Keeler, 1915).

Beech Branch

This shows the unfolding leaves of the Beech branch, (Keeler, 1915).

This shows the staminate flower of the Beech, (Keeler, 1915).

Beech Flower

This shows the staminate flower of the Beech, (Keeler, 1915).

This shows the pistillate flower of the Beech, (Keeler, 1915).

Beech Flower

This shows the pistillate flower of the Beech, (Keeler, 1915).

This shows the staminate and pistillate flower cluster of the Beech, (Keeler, 1915).

Beech Flower

This shows the staminate and pistillate flower cluster of the Beech, (Keeler, 1915).

This shows the staminate flower of the Willow, (Keeler, 1915).

Willow Flower

This shows the staminate flower of the Willow, (Keeler, 1915).

This shows the pistillate flower of the Willow, (Keeler, 1915).

Willow Flower

This shows the pistillate flower of the Willow, (Keeler, 1915).

This shows the staminate flower of the Black Willow, Salix nigra, (Keeler, 1915).

Black Willow Flower

This shows the staminate flower of the Black Willow, Salix nigra, (Keeler, 1915).

This shows the pistillate flower of the Black Willow, Salix nigra, (Keeler, 1915).

Black Willow Flower

This shows the pistillate flower of the Black Willow, Salix nigra, (Keeler, 1915).

This shows the leaf of the Almondleaf Willow, Salix amygdaloides, (Keeler, 1915).

Almondleaf Willow Leaf

This shows the leaf of the Almondleaf Willow, Salix amygdaloides, (Keeler, 1915).

This shows the leaf of the Longleaf Willow, Salix fluviatilis, (Keeler, 1915).

Longleaf Willow Leaf

This shows the leaf of the Longleaf Willow, Salix fluviatilis, (Keeler, 1915).

This shows the staminate aments of the cottonwood, Populus deltoides (Keeler, 1915).

Cottonwood Flowers

This shows the staminate aments of the cottonwood, Populus deltoides (Keeler, 1915).

This shows the pistillate aments of the cottonwood, Populus deltoides (Keeler, 1915).

Cottonwood Flowers

This shows the pistillate aments of the cottonwood, Populus deltoides (Keeler, 1915).

This shows the fruiting ament of Large-toothed Aspen, Populus grandidentata, (Keeler, 1915).

Large-Toothed Aspen Flowers

This shows the fruiting ament of Large-toothed Aspen, Populus grandidentata, (Keeler, 1915).

This shows the leaf of the Swamp Cottonwood, Populus heterophylla, (Keeler, 1915).

Swamp Cottonwood Leaf

This shows the leaf of the Swamp Cottonwood, Populus heterophylla, (Keeler, 1915).

This shows part of the fruiting ament of the Swamp Cottonwood, Populus heterophylla, (Keeler, 1915).

Swamp Cottonwood Fruit

This shows part of the fruiting ament of the Swamp Cottonwood, Populus heterophylla, (Keeler, 1915).

This shows the staminate flower of the Balsam, Populus balsamifera, (Keeler, 1915).

Balsam Flower

This shows the staminate flower of the Balsam, Populus balsamifera, (Keeler, 1915).

This shows the pistillate flower of the Balsam, Populus balsamifera, (Keeler, 1915).

Balsam Flower

This shows the pistillate flower of the Balsam, Populus balsamifera, (Keeler, 1915).

This shows the fruiting aments of the Balsam, Populus balsamifera, (Keeler, 1915).

Balsam Fruit

This shows the fruiting aments of the Balsam, Populus balsamifera, (Keeler, 1915).

This shows the winter branch of Cottonwood, Populus deltoides, (Keeler, 1915).

Cottonwood Branch

This shows the winter branch of Cottonwood, Populus deltoides, (Keeler, 1915).

This shows the cluster of five leaves of the White Pine, Pinus strobus, (Keeler, 1915).

White Pine Needles

This shows the cluster of five leaves of the White Pine, Pinus strobus, (Keeler, 1915).

This shows the cluster of two leaves of the Red Pine, Pinus resinosa, (Keeler, 1915).

Red Pine Needles

This shows the cluster of two leaves of the Red Pine, Pinus resinosa, (Keeler, 1915).

This shows the cluster of three, slightly twisted leaves of the Loblolly Pine, Pinus taeda, (Keeler, 1915).

Loblolly Pine Needles

This shows the cluster of three, slightly twisted leaves of the Loblolly Pine, Pinus taeda, (Keeler,…

This shows the cluster of three leaves of the Pitch Pine, Pinus rigida, (Keeler, 1915).

Pitch Pine Needles

This shows the cluster of three leaves of the Pitch Pine, Pinus rigida, (Keeler, 1915).

This shows the cluster of two leaves, bright green, of the Jersey Pine, Pinus virginiana, (Keeler, 1915).

Jersey Pine Needles

This shows the cluster of two leaves, bright green, of the Jersey Pine, Pinus virginiana, (Keeler, 1915).

This shows the cluster of two leaves, sometimes three of four, of the Yellow Pine, Pinus echinata, (Keeler, 1915).

Yellow Pine Needles

This shows the cluster of two leaves, sometimes three of four, of the Yellow Pine, Pinus echinata, (Keeler,…

This shows the cluster of two leaves of the Gray Pine, Pinus divaricata, (Keeler, 1915).

Gray Pine Needles

This shows the cluster of two leaves of the Gray Pine, Pinus divaricata, (Keeler, 1915).

This cluster of flowers is also known as a raceme. the plant is the Barberry.

Barberry Flower

This cluster of flowers is also known as a raceme. the plant is the Barberry.

This cluster of flowers is also known as a corymb.

Flower

This cluster of flowers is also known as a corymb.

This cluster of flowers is also known as an umbel.

Flower

This cluster of flowers is also known as an umbel.

Roots which never reach the ground are produced by certain plants whose seeds, lodged upon the boughs or trunks of trees, grow there and make an epiphyte, or an air-plant.

Orchid Root

Roots which never reach the ground are produced by certain plants whose seeds, lodged upon the boughs…

The upper side of an open pistil or scale from a forming Larch-cone. The ovules becoming seeds.

Pistil

The upper side of an open pistil or scale from a forming Larch-cone. The ovules becoming seeds.

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged. This is a pair of keys.

Key

A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged. This is…

Pods generally split lengthwise when ripe and dry.

Pod

Pods generally split lengthwise when ripe and dry.

Pods generally split lengthwise when ripe and dry.

Pod

Pods generally split lengthwise when ripe and dry.

This is a young, forming strawberry, divided lengthwise,(Gray, 1858).

Strawberry

This is a young, forming strawberry, divided lengthwise,(Gray, 1858).

The Mulberry contains masses of simple fruits belonging to different flowers, compacted together,(Gray, 1858).

Mulberry

The Mulberry contains masses of simple fruits belonging to different flowers, compacted together,(Gray,…

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).

Cone

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).

Scale

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).

Scale

Each scale of the pine cone is a whole pistillate flower. (Gray, 1858).