The Ivy Spray has broad-lobed leaves.

Ivy Spray

The Ivy Spray has broad-lobed leaves.

This Ivy Spray has elliptic tapering leaves that are apparent after blooming.

Ivy Spray

This Ivy Spray has elliptic tapering leaves that are apparent after blooming.

The European Starling is a passerine bird and the common species of starling.

European Starling

The European Starling is a passerine bird and the common species of starling.

Stem of a potato plant.

Stem

Stem of a potato plant.

A stick.

Stick

A stick.

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be in most cases be nipped off with the thumb-nail. It is very necessary in the case of trees trained to a flat surface, as a wall or espalier rail, to prevent undue crowding. In some cases, as, for example, with peaches, the superfluous shoots are wholly removed, and certain selected shoots reserved to supply bearing wood for the next year." — Encyclopedia Britannica, 1893

Summer Pruning

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be…

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be in most cases be nipped off with the thumb-nail. It is very necessary in the case of trees trained to a flat surface, as a wall or espalier rail, to prevent undue crowding. In some cases, as, for example, with peaches, the superfluous shoots are wholly removed, and certain selected shoots reserved to supply bearing wood for the next year." — Encyclopedia Britannica, 1893

Summer Pruning

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be…

Nest of the common European swallow, which can be found in old wells and mines, under the roofs of barns and sheds, in belfries, and sometimes in the fork of a dead tree.

Nest of the Common European Swallow

Nest of the common European swallow, which can be found in old wells and mines, under the roofs of barns…

Also known as Quercus michauxii. The branch of a Swamp Chestnut Oak tree, native to the wetlands of the southern and central United States

Branch of Swamp Chestnut Oak

Also known as Quercus michauxii. The branch of a Swamp Chestnut Oak tree, native to the wetlands of…

Also known as Populus heterophylla. The branch from a Swamp Cottonwood tree, native to warm regions of North America.

Branch of Swamp Cottonwood

Also known as Populus heterophylla. The branch from a Swamp Cottonwood tree, native to warm regions…

Also known as Quercus laurifolia. The branch of a Swamp Laurel Oak, native to the southeast United States.

Branch of Swamp Laurel Oak

Also known as Quercus laurifolia. The branch of a Swamp Laurel Oak, native to the southeast United States.

Also known as Quercus palustris. A species of red oak tree native to eastern United States.

Branch of Swamp Spanish Oak

Also known as Quercus palustris. A species of red oak tree native to eastern United States.

Also known as Betula lenta. A species of birch native to eastern North America.

Branch of Sweet Birch

Also known as Betula lenta. A species of birch native to eastern North America.

Also known as Malus coronaria. The branch of a Sweet Crabapple tree, native to the southern United States.

Branch of Sweet Crabapple

Also known as Malus coronaria. The branch of a Sweet Crabapple tree, native to the southern United States.

The tailor-bird makes its nest by weaving it together with living leaves.

Tailorbird

The tailor-bird makes its nest by weaving it together with living leaves.

The red-throated tamatia, native to Guiana.

Red-Throated Tamatia

The red-throated tamatia, native to Guiana.

An illustration of a teacher wearing a hat and robe whipping a young pupil with a branch.

Teacher Whipping Boy with Swatches

An illustration of a teacher wearing a hat and robe whipping a young pupil with a branch.

Also known as Yucca treculeana. The branch of a Texas Bayonette, a species of perennial shrubs in the agave family.

Branch of Texas Bayonette

Also known as Yucca treculeana. The branch of a Texas Bayonette, a species of perennial shrubs in the…

A species of palm native to southern Florida and Cuba.

Branch of Thrinax Keyensis

A species of palm native to southern Florida and Cuba.

An evergreen coniferous tree found throughout North America and Europe.

Branch of Thuja Occidentalis

An evergreen coniferous tree found throughout North America and Europe.

Common in the West Indies, it tends to exhibit little fear of humans.

Green Tody

Common in the West Indies, it tends to exhibit little fear of humans.

"Branch with flowers of Salvadora persica. (a), a female flower; (b), the fruit." -Whitney, 1911

Toothbrush Tree

"Branch with flowers of Salvadora persica. (a), a female flower; (b), the fruit." -Whitney, 1911

A toucan perching on a branch.

Toucan

A toucan perching on a branch.

Also known as Quercus toumeyi. The branch of a Toumey Oak tree, native to Mexico and the United States.

Branch of Toumey Oak

Also known as Quercus toumeyi. The branch of a Toumey Oak tree, native to Mexico and the United States.

Also known as Heteromeles arbutifolia. The branch of a Toyon tree, native to California.

Branch of Toyon

Also known as Heteromeles arbutifolia. The branch of a Toyon tree, native to California.

A pair of male and female resplendent trogons, native to Guatemala

Resplendent Trogon

A pair of male and female resplendent trogons, native to Guatemala

Also known as Quercus cerris. The branch of a Turkey Oak tree, native to southern Europe.

Branch of Turkey Oak

Also known as Quercus cerris. The branch of a Turkey Oak tree, native to southern Europe.

A branch from an Umbellularia californica tree, native to the forests of California and Oregon.

Branch of Umbellularia Californica

A branch from an Umbellularia californica tree, native to the forests of California and Oregon.

Also known as Magnolia tripetala. The branch of an Umbrella Magnolia tree, native to the southeastern United States in the Appalachian Mountains region.

Branch of Umbrella Magnolia

Also known as Magnolia tripetala. The branch of an Umbrella Magnolia tree, native to the southeastern…

"Flowering branch of the Upas-Tree."-Whitney, 1902

Upas Tree

"Flowering branch of the Upas-Tree."-Whitney, 1902

Also known as Juniperus osteosperma. A small tree native to the southwestern United States.

Branch of Utah Juniper

Also known as Juniperus osteosperma. A small tree native to the southwestern United States.

Also known as Quercus lobata. The branch of a Valley Oak tree, native to California.

Branch of Valley Oak

Also known as Quercus lobata. The branch of a Valley Oak tree, native to California.

Also known as Betula fontinalis. A species of birch native to North America.

Branch of Water Birch

Also known as Betula fontinalis. A species of birch native to North America.

Also known as Planera aquatica. The branch of a Water Elm tree, native to the southeastern United States.

Branch of Water Elm

Also known as Planera aquatica. The branch of a Water Elm tree, native to the southeastern United States.

Also known as Hicoria aquatica. The branch of a Water Hickory tree, native to the southeast United States.

Branch of Water Hickory

Also known as Hicoria aquatica. The branch of a Water Hickory tree, native to the southeast United States.

Also known as Quercus nigra. The branch of a Water Oak tree, native to the southeastern United States.

Branch of Water Oak

Also known as Quercus nigra. The branch of a Water Oak tree, native to the southeastern United States.

Also known as Myrica cerifera. A small tree native to North America. It is commonly used for candle-making, as well as a medicinal plant.

Branch of Wax Myrtle

Also known as Myrica cerifera. A small tree native to North America. It is commonly used for candle-making,…

Also known as Juniperus flaccida. A large shrub or small tree native to central and northern Mexico, as well as the extreme southwest of Texas.

Branch of Weeping Juniper

Also known as Juniperus flaccida. A large shrub or small tree native to central and northern Mexico,…

Also known as Tsuga heterophylla. A species of hemlock native to the west coast of North America.

Pine Cone of Western Hemlock

Also known as Tsuga heterophylla. A species of hemlock native to the west coast of North America.

Also known as Juniperus occidentalis. Native to the western United States.

Branch of Western Juniper

Also known as Juniperus occidentalis. Native to the western United States.

Also known as Thuja plicata. An evergreen coniferous tree native to western North America.

Branch of Western Redcedar

Also known as Thuja plicata. An evergreen coniferous tree native to western North America.

Also known as Platanus racemosa. The branch of a Western Sycamore tree, native to California.

Branch of Western Sycamore

Also known as Platanus racemosa. The branch of a Western Sycamore tree, native to California.

Also known as Alnus rhombifoiia. The branch of a White Alder tree, native to western North America.

Branch of White Alder

Also known as Alnus rhombifoiia. The branch of a White Alder tree, native to western North America.

Also known as Quercus alba. The branch of a White Oak tree, native to eastern North America.

Branch of White Oak

Also known as Quercus alba. The branch of a White Oak tree, native to eastern North America.

An illustration of a willow branch.

Willow Branch

An illustration of a willow branch.

Also known as Quercus phellos. The branch of a Willow Oak tree, native to eastern North America.

Branch of Willow Oak

Also known as Quercus phellos. The branch of a Willow Oak tree, native to eastern North America.

Also known as Ulmus alata. The branch of a Winged Elm tree, native to the southern United States.

Branch of Winged Elm

Also known as Ulmus alata. The branch of a Winged Elm tree, native to the southern United States.

A cross-section of wood infested with insects.

Infested wood

A cross-section of wood infested with insects.

The Woodwaxen or Dyer's Greenweed (Genista tinctoria) is a flowering plant in the legume family, Fabaceae.

Woodwaxen

The Woodwaxen or Dyer's Greenweed (Genista tinctoria) is a flowering plant in the legume family, Fabaceae.

"The females alone excavate the domiciles, which consist either of branching galleries, as in the gallery of Xyleborys pubescens, or of a broad but thin and leaf-shaped chamber at the end of one of several entrance ways."—Government Printing Office, 1897

Gallery of Xyleborus Pubescens

"The females alone excavate the domiciles, which consist either of branching galleries, as in the gallery…

Also known as Betula lenta. The branch of a Yellow Birch tree, native to eastern North America.

Branch of Yellow Birch

Also known as Betula lenta. The branch of a Yellow Birch tree, native to eastern North America.

Also known as Liriodendron tulipifera. A branch of a Yellow Poplar tree, native throughout North America.

Branch of Yellow Poplar

Also known as Liriodendron tulipifera. A branch of a Yellow Poplar tree, native throughout North America.

Also known as Salix taxifolia. The branch of a Yewleaf Willow, native to southern Mexico and the Pacific Coast.

Branch of Yewleaf Willow

Also known as Salix taxifolia. The branch of a Yewleaf Willow, native to southern Mexico and the Pacific…

A branch of Yucca arborescens, a species in the agave family.

Branch of Yucca Arborescens

A branch of Yucca arborescens, a species in the agave family.

The branch and fruit of a Yucca mohavensis, a species of plant from the agave family.

Branch of Yucca Mohavensis

The branch and fruit of a Yucca mohavensis, a species of plant from the agave family.

"Zizyphus Baclei. 1. a flower seen from above; 2. a fruit; 3. the same cut vertically; 4. a seed divided vertically." -Lindley, 1853

Ziziphus

"Zizyphus Baclei. 1. a flower seen from above; 2. a fruit; 3. the same cut vertically; 4. a seed divided…