219 illustrations of trees including: date palm, deutzia, dogwood, douglas fir, dragon tree, eastern black oak, eastern cottonwood, ebony, elderberry, elm, English oak, eucalyptus, ficus, fig, fir, foxtail pine, fraser fir, geiger tree, ginkgo, grapefruit, gum arabic, hemlock, hickory, honey locust, and horse chestnut

Fig is a fruit producing tree. The cultivation of figs goes back to ancient times. It is native to the Mediterranean region, Syria, eastern Persia, and Afghanistan.

Fruiting Branch of Fig

Fig is a fruit producing tree. The cultivation of figs goes back to ancient times. It is native to the…

Elm native to eastern North America.

Ulmus Fulva

Elm native to eastern North America.

Also known as Quercus gambelii. The branch of a Gambel Oak tree, native to the central southwestern United States and northwestern Mexico.

Branch of Gambel Oak

Also known as Quercus gambelii. The branch of a Gambel Oak tree, native to the central southwestern…

The Gambooge tree (Garcinia gummi-gutta) is a plant in the Clusiaceae family. The species was also known as the synonyms Garcinia cambogia and Garcinia hanburyi.

Branch of Gambooge

The Gambooge tree (Garcinia gummi-gutta) is a plant in the Clusiaceae family. The species was also known…

"Cambogia gutta. 1. a female flower, with the sterile stamens surrounding the pistil; 2. a male flower; 3. an anther, which opens by throwing off a cap, in consequence of transverse dehiscence; 4. a transverse section of the ovary." -Lindley, 1853

Garcinia

"Cambogia gutta. 1. a female flower, with the sterile stamens surrounding the pistil; 2. a male flower;…

Also known as Quercus garryana. The branch of a Garry Oak tree, native from southern California to southwestern British Columbia.

Branch of Garry Oak

Also known as Quercus garryana. The branch of a Garry Oak tree, native from southern California to southwestern…

Used as landscaping in Florida, the Geiger tree is a tropical plant known for its flowers. "Cordia Sebestena. 1. calyx; 2. pistil; 3. transverse section of embryo." -Lindley, 1853

Geiger Tree

Used as landscaping in Florida, the Geiger tree is a tropical plant known for its flowers. "Cordia Sebestena.…

Used as landscaping in Florida, the Geiger tree is a tropical plant known for its flowers. "Cordia Sebestena. 1. calyx; 2. pistil; 3. transverse section of embryo." -Lindley, 1853

Geiger Tree

Used as landscaping in Florida, the Geiger tree is a tropical plant known for its flowers. "Cordia Sebestena.…

Also known as Quercus georgiana. A branch of a Georgia Oak tree, native to southeastern United States.

Branch of Georgia Oak

Also known as Quercus georgiana. A branch of a Georgia Oak tree, native to southeastern United States.

Germination of Silver Maple, natural size; merely the base of the fruit, containing the seed, is shown.

Germination of Silver Maple

Germination of Silver Maple, natural size; merely the base of the fruit, containing the seed, is shown.

The exudate of a tree, Balsamodendron Gileadense, a native of Arabia.

Balm of Gilead

The exudate of a tree, Balsamodendron Gileadense, a native of Arabia.

Ginkgo also known as the Maidenhair Tree after Adiantum, is a unique species of tree with no close living relatives. The ginkgo is classified in its own division, the Ginkgophyta, comprising the single class Ginkgoopsida, order Ginkgoales, family Ginkgoaceae, genus Ginkgo and is the only extant species within this group. It is one of the best-known examples of a living fossil, because Ginkgoales other than G. biloba are not known from the fossil record after the Pliocene.

Ginkgo

Ginkgo also known as the Maidenhair Tree after Adiantum, is a unique species of tree with no close living…

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

Ginkgo Biloba Branchlet

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. b, branchlet with female flowers." -Whitney, 1911

Ginkgo Biloba Branchlet

"Gingko biloba, or Salisburia adiantifolia. b, branchlet with female flowers." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. c, naked seed, immature." -Whitney, 1911

Immature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. c, naked seed, immature." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. d, naked seed, mature." -Whitney, 1911

Mature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. d, naked seed, mature." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. e, naked seed, mature, deprived of the outer fleshy testa." -Whitney, 1911

Mature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. e, naked seed, mature, deprived of the outer fleshy testa."…

"Branch and Root of Ginseng (Aralia ginseng)." -Whitney, 1911

Ginseng Branch and Root

"Branch and Root of Ginseng (Aralia ginseng)." -Whitney, 1911

This illustration shows the different methods of girdling trees: a, back girdled; b, girdled to heartwood; c, hack girdled and peeled; d, belt girdled.

Girdling Tree

This illustration shows the different methods of girdling trees: a, back girdled; b, girdled to heartwood;…

Typical tree for shade, native to Europe and Asia Minor.

Ulmus Glabra

Typical tree for shade, native to Europe and Asia Minor.

Fruit globose, about as long as broad; leaves mostly less than 5 cm.

Glabraria

Fruit globose, about as long as broad; leaves mostly less than 5 cm.

Leaflets many and small, usually 12-22; tree prominently thorny.

Gleditsia

Leaflets many and small, usually 12-22; tree prominently thorny.

Leaves leathery; evergreen; flowers showy, white, large.

Gordonia

Leaves leathery; evergreen; flowers showy, white, large.

Also known as Abies grandis. A fir native to the Pacific Northwest and Northern California.

Pine Cone of Grand Fir

Also known as Abies grandis. A fir native to the Pacific Northwest and Northern California.

These tall trees can grow up to eight feet.

Schubertia Grandiflora

These tall trees can grow up to eight feet.

A species of beech native to eastern parts of North America.

Fagus Grandifolia

A species of beech native to eastern parts of North America.

"When a grapevine is first set in a vineyard, it closely resembles the plant shown in [the image]. Such a rooted cutting may be one or two years old, the former being preferable in the majority of cases. The cane is cut back to two buds, and during the first season its shoots are allowed to lie prone upon the surface of the soil."—Government Printing Office, 1897

Rooted Grape Cutting

"When a grapevine is first set in a vineyard, it closely resembles the plant shown in [the image]. Such…

The leaf of the Grapefruit tree (Citrus decumana) in the Rutaceae family of rues or citrus.

Grapefruit Leaf

The leaf of the Grapefruit tree (Citrus decumana) in the Rutaceae family of rues or citrus.

The leaves of grapefruit are large and dark, glossy green above. The shape is oval or elliptic oval.

Grapefruit Leaf

The leaves of grapefruit are large and dark, glossy green above. The shape is oval or elliptic oval.

Catkins from a Gray Birch <em>(Betula populifolia)</em>. <em>s</em>: Staminate. <em>p</em>: Pistillate.

Gray Birch

Catkins from a Gray Birch (Betula populifolia). s: Staminate. p: Pistillate.

Cluster of ripened fruit from a Gray Birch <em>(Betula populifolia)</em>.

Gray Birch

Cluster of ripened fruit from a Gray Birch (Betula populifolia).

Bract with three staminate flowers from a Gray Birch <em>(Betula populifolia)</em>.

Gray Birch

Bract with three staminate flowers from a Gray Birch (Betula populifolia).

Bract with three pistillate flowers from a Gray Birch <em>(Betula populifolia)</em>.

Gray Birch

Bract with three pistillate flowers from a Gray Birch (Betula populifolia).

Fruit from a Gray Birch <em>(Betula populifolia)</em>.

Gray Birch

Fruit from a Gray Birch (Betula populifolia).

Also known as Betula populifolia. The branch of a Gray Birch tree, native to northeast North America.

Branch of Gray Birch

Also known as Betula populifolia. The branch of a Gray Birch tree, native to northeast North America.

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).

Leaves - simple; indeterminate in position because of their closeness, but arranged along the branches in two-leaved, sheathed bunches. Leaf - needle-shape, about one inch long, pointed, stiff, curved, rounded on the back, grooved above. Cones - nearly two inches long, gray, usually in pairs, and curved like small horns, with a peculiar habit of always pointing in the same direction as the branches. Scales - blunt, smooth, not armed with points or knobs. Found - along the northern frontier of the United States and far northward. Its best growth is north of Lake Superior. General Information - A small evergreen tree, or often a shrub, five to thirty feet high, with long, spreading branches, and light, soft wood that is of but slight value.

Genus Pinus, L. (Pine)

Leaves - simple; indeterminate in position because of their closeness, but arranged along the branches…

Also known as Alnus tenuifolia. The branch of a Grey Alder tree, native across the cooler parts of the Northern Hemisphere.

Branch of Grey Alder

Also known as Alnus tenuifolia. The branch of a Grey Alder tree, native across the cooler parts of the…

A grove of black-locust trees. Contrast with the brush in the background on an adjoining farm.

Grove of black-locust trees

A grove of black-locust trees. Contrast with the brush in the background on an adjoining farm.

Guava (<i>Psidium guayava</i>) is a low-growing West Indian tree belonging to the family Myrtaceæ. It bears white flowers, followed by fragrant, yellow, fleshy fruits, extensively employed in the making of preserves and jellies. The guava also grows in the East Indies; and there is a Chinese variety, <i>P. cattleianum</i>, the strawberry guava.

Guava

Guava (Psidium guayava) is a low-growing West Indian tree belonging to the family Myrtaceæ. It bears…

Also known as the Snowball Tree, the Guelder Rose is a cultivated form of the genus Viburnum, especially <i>V. opulus</i>, with flat cymes of white flowers in summer, and red, globose fruit. The double variety, <i>V. O. sterilis</i>, is the common garden form.

Guelder Rose

Also known as the Snowball Tree, the Guelder Rose is a cultivated form of the genus Viburnum, especially…

"Acacia Verek. 1. a flower magnified; 2. the pistil; 3. a section of the same; 4. half a seed." -Lindley, 1853

Gum Arabic Tree

"Acacia Verek. 1. a flower magnified; 2. the pistil; 3. a section of the same; 4. half a seed." -Lindley,…

A flowering branch of the Blue Gum Tree (Eucalyptus globulus), a tree in the Myrtaceae family of evergreen plants.

Blue Gum

A flowering branch of the Blue Gum Tree (Eucalyptus globulus), a tree in the Myrtaceae family of evergreen…

A leaf from a gumwood tree.

Gumwood Leaf

A leaf from a gumwood tree.

A tropical tree native to southeast Asia and northern Australasia, from Taiwan south to Malaya and east to the Solomon Islands.

Gutta Percha

A tropical tree native to southeast Asia and northern Australasia, from Taiwan south to Malaya and east…

Plant found in Malacca and Borneo with properties very similar to those of the rubber plant.

Gutta-Percha

Plant found in Malacca and Borneo with properties very similar to those of the rubber plant.

An illustration of the flower (a) and the fruit (b) of the gutta-percha. Gutta-percha (Palaquium) is a genus of tropical trees native to Southeast Asia and northern Australasia, from Taiwan south to Malaya and east to the Solomon Islands. It is also an inelastic natural latex produced from the sap of these trees. The word 'gutta-percha' comes from the plant's name in Malay, getah perca, which translates as "percha rubber".

Gutta-percha

An illustration of the flower (a) and the fruit (b) of the gutta-percha. Gutta-percha (Palaquium) is…

Leaves - simple; alternate; edge sharp-toothed, but entire at the base. Outline - obliquely egg-shaped, very one-sided. Apex - taper-pointed. Base - usually somewhat heart-shaped, or slightly pointed or rounded. Leaf - two to three inches long, one to two inches wide; rough. Bark - of the trunk, rough; sometimes much crumpled. Fruit - about the size of a pea; solitary; drooping from the bases of the leaf-stems, on stems once or twice as long as the leaf-stems; rounded; pulp thin, sweet, and edible; purplish red; ripe in September. Found - from the valley of the St. Lawrence westward and southward. General Information - A tree fifteen to thirty feet high (but much larger at the South), most common, and reaching its finest growth in the basin of the Mississippi. It is very variable in size and in the shape and texture of its leaves. Variety crassifolia is sometimes found, in which the leaves are thicker and usually toothed all around. Hackberry is an ancient name for lotus.

Genus Celtis, L. (Hackberry)

Leaves - simple; alternate; edge sharp-toothed, but entire at the base. Outline - obliquely egg-shaped,…

The common name of halesia is silver bell or snowdrop tree. The fruit are covered with stiff, dense hairs.

Portion of Fruiting Branch of Halesia Hispida

The common name of halesia is silver bell or snowdrop tree. The fruit are covered with stiff, dense…

Dense stands of hardwood trees that grow on natural rises of only a few inches higher than surrounding marshland.

Tree Hammocks

Dense stands of hardwood trees that grow on natural rises of only a few inches higher than surrounding…

"Corylopsis. 1. flowers; 2. branch in fruit; 3. a flower separate; 4. a stamen; 5. a perpendicular section of the ovary; 6. a section of a seed removed from the capsule and placed with the hilum downwards." -Lindley, 1853

Winter Hazel

"Corylopsis. 1. flowers; 2. branch in fruit; 3. a flower separate; 4. a stamen; 5. a perpendicular section…

"Dracophyllum scoparium. 1. a sepal; 2. a flower with its bract; 3. section of a seed-vessel." -Lindley, 1853

Heath

"Dracophyllum scoparium. 1. a sepal; 2. a flower with its bract; 3. section of a seed-vessel." -Lindley,…

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

Hemlock Branch

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

An illustration of the hemlock spruce's seed, cone, and foliage.

Hemlock Spruce Cone, Seed and Foliage

An illustration of the hemlock spruce's seed, cone, and foliage.

Leaves - simple; indeterminate, in position because of their closeness; arranged singly in two flat distinctly opposite ranks up and down the branchlets. Leaf - one half inch long, narrow; blunt sometimes minutely toothed toward the apex; flat; green above; silvery white beneath. Bark - reddish and scaly; when old, somewhat roughened by long, shallow furrows. Cones - very small (three fourths of an inch long); drooping; oval or egg-shape. Scales - few, thin, rounded and entire. The seed with the wing is about three fourths the length of the scale. The cone does not fall apart when ripe. Found - from Southern New Brunswick and the Valley of the St. Lawrence through the Northern States to Delaware, and along the Alleghany Mountains to Alabama. Common northward, often forming large forests. General Information - An evergreen tree, sixty to eighty feet high, irregular in outline, very graceful, especially when young, with light and delicate foliage and horizontal or drooping branches. The timber is very coarse; the bark much used for tanning, and with medicinal qualities.

Genus Tsuga, Carr. (Hemlock)

Leaves - simple; indeterminate, in position because of their closeness; arranged singly in two flat…

The common names of heracleum are cow parsley and cow parsnip. The leaves of the setosum variety are five lobed.

Leaf of Heracleum Setosum

The common names of heracleum are cow parsley and cow parsnip. The leaves of the setosum variety are…

This is the seed of the Hercules Club, Aralia spinosa, (Keeler, 1915).

Hercules' Club Seeds

This is the seed of the Hercules Club, Aralia spinosa, (Keeler, 1915).

Leaves without midribs evident when examined against transmitted light; flowers yellow.

Heteranthera

Leaves without midribs evident when examined against transmitted light; flowers yellow.

A hickory leaf.

Hickory Leaf

A hickory leaf.

The branch of a Hicoria texana, a species of pecan tree.

Branch of Hicoria Texana

The branch of a Hicoria texana, a species of pecan tree.