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.

An illustration of the flower of a Tiger's Claw tree. Erythrina variegata (Tiger's Claw, Indian Coral Tree and Sunshine Tree) is a species of Erythrina native to the tropical and subtropical regions of eastern Africa, southern Asia, northern Australia, and the islands of the Indian Ocean and the western Pacific Ocean east to Fiji.

Tiger's Claw Flower

An illustration of the flower of a Tiger's Claw tree. Erythrina variegata (Tiger's Claw, Indian Coral…

"Is of a brownish or light ash-color, and is found under logs and the bark of decayed trees." — Goodrich, 1859

Squirrel tree-toad

"Is of a brownish or light ash-color, and is found under logs and the bark of decayed trees." —…

Cleared land vegetation topography symbol used in map drawing and drafting.

Cleared Land Vegetation Topography Symbol

Cleared land vegetation topography symbol used in map drawing and drafting.

A drafting topography vegetation symbol for cultivated land.

Cultivated Land Vegetation Topography Symbol

A drafting topography vegetation symbol for cultivated land.

Vegetation topography symbol for deciduous trees convention in drafting and map drawing.

Deciduous Trees Vegetation Topography Symbol

Vegetation topography symbol for deciduous trees convention in drafting and map drawing.

A vegetation Everglade tree for topography symbol used in map drawing and drafting.

Everglade Trees Vegetation Topography Symbol

A vegetation Everglade tree for topography symbol used in map drawing and drafting.

A conventional oak tree vegetation symbol used in map drawing and drafting.

Oak Trees Vegetation Topography Symbol

A conventional oak tree vegetation symbol used in map drawing and drafting.

A conventional vegetation topography for orchard commonly used in map drawing and drafting.

Orchard Vegetation Topography Symbol

A conventional vegetation topography for orchard commonly used in map drawing and drafting.

Conventional vegetation topography symbol for pine, willow and brush.

Pine Willow and Brush Vegetation Topography Symbol

Conventional vegetation topography symbol for pine, willow and brush.

A map drawing or drafting conventional vegetation symbol for willow.

Willows Vegetation Topography Symbol

A map drawing or drafting conventional vegetation symbol for willow.

Also known as Pinus torreyana. The Torrey Pine is the rarest pine species in the United States, and is generally found on the West Coast.

Torrey Pine Cone

Also known as Pinus torreyana. The Torrey Pine is the rarest pine species in the United States, and…

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 slender tree, in need of pruning.

Tree

A slender tree, in need of pruning.

A bird perched on a branch of a tree below her nest.

Tree

A bird perched on a branch of a tree below her nest.

A large tree atop a hillside near a fence and birds flying by.

Tree

A large tree atop a hillside near a fence and birds flying by.

A tree as pictured in the Biblical story of creation.

Tree

A tree as pictured in the Biblical story of creation.

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures consisting of triangles, squares, and parallelograms are used to construct the given shape. This tangram depicts a tree.

Tree

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures consisting of triangles, squares, and parallelograms are used to construct the given shape. This tangram depicts a tree.

Tree

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures consisting of triangles, squares, and parallelograms are used to construct the given shape. This tangram depicts a tree.

Tree

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures consisting of triangles, squares, and parallelograms are used to construct the given shape. This tangram depicts a tree.

Tree

Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures…

A young boy trying to chop down a tree with an axe.

Tree Chop

A young boy trying to chop down a tree with an axe.

"Scalariform or ladder-like prismatic vessels of a Tree Fern." — Encyclopedia Britanica, 1893

Tree Fern

"Scalariform or ladder-like prismatic vessels of a Tree Fern." — Encyclopedia Britanica, 1893

Inside of the broken limb, showing the decay that entered.

Inside the tree limb

Inside of the broken limb, showing the decay that entered.

Tree with dotted vertical line that shows symmetry.

Line of Symmetry, Tree With

Tree with dotted vertical line that shows symmetry.

Tree that has no symmetry.

Symmetry, Tree With No

Tree that has no symmetry.

An illustration of a simple tree with roots.

Tree with Roots

An illustration of a simple tree with roots.

" Almonds come from Spain and Italy, but they grow spontaneously in many other warm countries. There are two kinds of almonds, the sweet and the bitter, only differing from each other in the flavor of the nut. Valentia almonds are sweet and large; Italian not either so large or sweet." -Lupton

Almond Tree

" Almonds come from Spain and Italy, but they grow spontaneously in many other warm countries. There…

"The date is the fruit of a tall and graceful palm which shoots up a single straight stem to height of fifty or sixty feet, and then expands into a beautiful crown of leaves.

Date Tree

"The date is the fruit of a tall and graceful palm which shoots up a single straight stem to height…

"It is a very large tree, the trunk being sometimes three feet in diameter, although it is of little is as a timber tree, the wood being spongy." -Lupton

The Gutta-percha tree

"It is a very large tree, the trunk being sometimes three feet in diameter, although it is of little…

The decayed hole where a limb was removed. The wood-destroying fungi caused the tree to break.

A hole in a tree

The decayed hole where a limb was removed. The wood-destroying fungi caused the tree to break.

A horizontally trained tree

Horizontally Trained Tree

A horizontally trained tree

The fifth year of pruning a horizontally trained tree.

Pruned Tree

The fifth year of pruning a horizontally trained tree.

A long stub left in pruning. The wound cannot heal. The tape shows how far the trunk is hollow. The tree will soon blow over.

Stub of a limb of a tree

A long stub left in pruning. The wound cannot heal. The tape shows how far the trunk is hollow. The…

Also known as Platanus occidentalis. This tree can grow to massive sizes, up to 130 feet in height and 6 feet in diameter.

Sycamore Tree

Also known as Platanus occidentalis. This tree can grow to massive sizes, up to 130 feet in height and…

A small deciduous tree, native to the Mediterranean region. It produced the earliest-known form of turpentine, and was used in medicine by the ancient Greeks.

Terebinth Tree

A small deciduous tree, native to the Mediterranean region. It produced the earliest-known form of turpentine,…

"These animals are generally called <em>Tree-corals</em>, on account of the forms of the polypidons which they build and in which they live. They are very small, and possess twelve short tentacles placed in a circle around the mouth; they occupy the cells in the polypidom, which is of a porus nature, the openings of the cells being placed at the summits of tubercular prominences of greater or lesser elevations. " &mdash; Goodrich, 1859

Tree-coral

"These animals are generally called Tree-corals, on account of the forms of the polypidons…

Broken trees, the result of crotches.

Broken trees

Broken trees, the result of crotches.

Triangle diagram for measuring heights of trees using proportions.

Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions.

Triangle diagram for measuring heights of trees using proportions

Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions

An illustration of a triangle comprised of a tree and two lines. This is an example of a problem that can be used to fine the distance of an inaccessible object without measuring elevation and whether on a horizontal plane or not.

Triangle with Tree

An illustration of a triangle comprised of a tree and two lines. This is an example of a problem that…

Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry problem. Wishing to determine the width of the river, I observed a tree standing directly across on the bank. The angle of elevation of the top of the tree was 32 degrees. At 150 ft. back from this point and in the same direction from the tree the angle of elevation of the top of the tree was 21 degrees. Find the width of the river.

Right Triangle For Finding Distance Across a River

Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry…

Also known as Quercus cerris. A branchlet of a turkey oak with an acorn.

Turkey Oak with an Acorn

Also known as Quercus cerris. A branchlet of a turkey oak with an acorn.

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.

A South American palm that produce a seed for the which the plant is named.

Vegetable Ivory

A South American palm that produce a seed for the which the plant is named.

Also known as Pinus virginiana.

Virginia Pine, Pine Cone

Also known as Pinus virginiana.

Walnut, a genus comprising seven or eight species of beautiful trees of the Juglandaceae order.

Walnut

Walnut, a genus comprising seven or eight species of beautiful trees of the Juglandaceae order.

An illustration of warblers eating plant lice in a tree.

Warblers Eating Plant Lice

An illustration of warblers eating plant lice in a tree.

The Washington Elm

Washington Elm

The Washington Elm

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 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,…