Shperical.

Globose

Shperical.

"Eccremocarpus scaber. 1. cross section of its ovary; 2. longitudinal section of it; 3. seed." -Lindley, 1853

Glory Vine

"Eccremocarpus scaber. 1. cross section of its ovary; 2. longitudinal section of it; 3. seed." -Lindley,…

Spikelets with several florets.

Glyceria

Spikelets with several florets.

"Resin-gnat (Diplosis resinicola). a, adult female; b, wing of same; c, cross-section of antenna of female; d, same of male; e, section of pine twig showing work of larvae; f, same showing extruded pupa-cases; a, e, f, enlarged; b, c, d, still more enlarged." -Whitney, 1911

Resin Gnat

"Resin-gnat (Diplosis resinicola). a, adult female; b, wing of same; c, cross-section of antenna…

"1. flower of Spiraea Aruncus cut open; 2. a section of one of its carpels." -Lindley, 1853

Goat's Beard

"1. flower of Spiraea Aruncus cut open; 2. a section of one of its carpels." -Lindley, 1853

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

Gordonia

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

Leaf with a ligule at base (junction of leaf and sheath).

Graminae

Leaf with a ligule at base (junction of leaf and sheath).

A large-fronded fern with straw-colored leaves. It is commonly found in tropical America.

Pteris Grandifolia

A large-fronded fern with straw-colored leaves. It is commonly found in tropical America.

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.

"Vitis vinifera. 1. a flower; 2. the same casting its petals; 3. the pistil and stamens; 4. a section of the ovary; 5. of the seed." -Lindley, 1853

Common Grapevine

"Vitis vinifera. 1. a flower; 2. the same casting its petals; 3. the pistil and stamens; 4. a section…

"Graminae. Flower of a Grass, the glumes are removed. GRAMINAE. In botany, the largest order among endogenous plants except the orchids." -Whitney, 1911

Grass Flower

"Graminae. Flower of a Grass, the glumes are removed. GRAMINAE. In botany, the largest order among endogenous…

"Graminae. Flower of a Grass. GRAMINAE. In botany, the largest order among endogenous plants except the orchids." -Whitney, 1911

Grass Flower

"Graminae. Flower of a Grass. GRAMINAE. In botany, the largest order among endogenous plants except…

Grass of Parnassus is a herbaceous plant found on wet moors and bogs in Britain.

Grass of Parnassus

Grass of Parnassus is a herbaceous plant found on wet moors and bogs in Britain.

A grass of Parnassus is any member of the genus Parnassia, of the Saxifrage family, growing in damp places, having white or pale yellow flowers marked with pronounced. There are five sepals, five petals, and five stamens, with five fringed scales between.

Grass of Parnassus

A grass of Parnassus is any member of the genus Parnassia, of the Saxifrage family, growing in damp…

Blue grass showing the method of reproduction by underground stems, or stolons.

Blue grass

Blue grass showing the method of reproduction by underground stems, or stolons.

Common scurvey grass, an abundant sea-shore plant.

Scurvey Grass

Common scurvey grass, an abundant sea-shore plant.

Leaves covered with tiny black dots visible with lens; flowers small, white.

Gratiola

Leaves covered with tiny black dots visible with lens; flowers small, white.

Leaves small, mostly under 3cm long; usually with black dots visible with a lens covering them.

Gratiola

Leaves small, mostly under 3cm long; usually with black dots visible with a lens covering them.

"Greasewood (Sarcobatus vermiculatus). 1, with female flowers; 2, branch with fruits; a, a female flower; b, the fruit." -Whitney, 1911

Greasewood

"Greasewood (Sarcobatus vermiculatus). 1, with female flowers; 2, branch with fruits; a, a female flower;…

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…

Ground Ivy (<i>Glecoma hederacea</i>) is a common European labiate hedgerow plant, with trailing stems, kidney-shaped, crinkled, aromatic leaves, and axillary, purplish flowers in early summer.

Ground Ivy

Ground Ivy (Glecoma hederacea) is a common European labiate hedgerow plant, with trailing stems, kidney-shaped,…

"1. Spore-case of Lycopodium denticulatum opened; 2. antheridium; 3. spore." -Lindley, 1853

Ground Pine

"1. Spore-case of Lycopodium denticulatum opened; 2. antheridium; 3. spore." -Lindley, 1853

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…

An illustration of a guava plant.

Guava Plant

An illustration of a guava plant.

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,…

"Flower of Gynandropsis. a, gynophore. GYNOPHORE. In botany, an elongation or internode of the receptacle of a flower, bearing the gynoecium." -Whitney, 1911

Gynandropsis

"Flower of Gynandropsis. a, gynophore. GYNOPHORE. In botany, an elongation or internode of the receptacle…

Root red.

Gyrotheca

Root red.

Leaves smaller; flowers individually small, in terminal spike-like clusters.

Habenaria

Leaves smaller; flowers individually small, in terminal spike-like clusters.

"Hakea acicularis. 1. a couple of flowers; 2. a flower magnified; 3. the pistil; 4. a fruit; 5. a seed; 6. half an embryo." -Lindley, 1853

Silky Hakea

"Hakea acicularis. 1. a couple of flowers; 2. a flower magnified; 3. the pistil; 4. a fruit; 5. a seed;…

Flower of a Camanula or Harebell, with a campanulate or bell-shaped corolla.

Harebell

Flower of a Camanula or Harebell, with a campanulate or bell-shaped corolla.

Like sagittate but with lobes diverging.

Hastate

Like sagittate but with lobes diverging.

Hawthorn-blossom in section; parts adnate to whole face of ovary. and with each other beyond; another grade of perigynous.

Hawthorn Blossom

Hawthorn-blossom in section; parts adnate to whole face of ovary. and with each other beyond; another…

"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…

A dense cluster of sessile or almost sessile flowers borne on a very short axis.

Head

A dense cluster of sessile or almost sessile flowers borne on a very short axis.

"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,…

The flowering branch of the Common Heath (Epacris impressa), a plant in the Ericaceae family of heaths.

Common Heath

The flowering branch of the Common Heath (Epacris impressa), a plant in the Ericaceae family of heaths.

The flower of the Common Heath (Epacris impressa), a plant in the Ericaceae family of heaths.

Common Heath

The flower of the Common Heath (Epacris impressa), a plant in the Ericaceae family of heaths.

Hedera (English name ivy, plural ivies) is a genus of 15 species of climbing or ground-creeping evergreen woody plants in the family Araliaceae, native to the Atlantic Islands, western, central and southern Europe, northwestern Africa and across central-southern Asia east to Japan. On suitable surfaces (trees and rock faces), they are able to climb to at least 25&ndash;30 metres above the basal ground level.

Hedera colchica

Hedera (English name ivy, plural ivies) is a genus of 15 species of climbing or ground-creeping evergreen…

"Hedycarya dentata. 1. male flower; 2. female ditto; 3. section of carpel; 4. ripe fruit." -Lindley, 1853

Hedycarya

"Hedycarya dentata. 1. male flower; 2. female ditto; 3. section of carpel; 4. ripe fruit." -Lindley,…

"Part of the inflorescence of Heliconia angustifolia; a, stamens and pistil, the surrounding parts being removed." -Lindley, 1853

Heliconia

"Part of the inflorescence of Heliconia angustifolia; a, stamens and pistil, the surrounding parts being…

Heliotrope is a genus of plants, including both annual and perennial species.

Heliotrope

Heliotrope is a genus of plants, including both annual and perennial species.

The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species. The name "heliotrope" derives from the fact that these plants turn their leaves to the sun. Helios is Greek for "sun", tropein means "to turn". The old English name "turnsole" has the same etymology.

Heliotropium

The heliotropes (Heliotropium) is a genus of plants in the family Boraginaceae with 250 to 300 species.…

Northern Water Hemlock is a species of Cicuta, native to northern and central Europe, northern Asia and northwestern North America. It is a perennial herbaceous plant which grows up to 1&ndash;2 m tall. The stems are smooth, branching, swollen at the base, purple-striped, and hollow except for partitions at the junction of the leaves and stem. In cross section the stems have one flat side and the other sides are rounded. The leaves are alternate, tripinnate, only coarsely toothed, unlike the ferny, lacy leaves found in many other members of the family Apiaceae. The flowers are small, white and clustered in umbrella shaped inflorescences typical of the family. The many flowered umbellets have unequal pedicels that range from 5 to 11 cm long during fruiting. An oily, yellow liquid oozes from cuts to the stems and roots.

Northern Water Hemlock

Northern Water Hemlock is a species of Cicuta, native to northern and central Europe, northern Asia…

Hemlock is a genus of poisonous plants. It has a tall, hollow stem and white flowers.

Poisonous Hemlock

Hemlock is a genus of poisonous plants. It has a tall, hollow stem and white flowers.

"Hemp adapts itself to diversities of climate, and is cultivated equally under the burning sun of the tropics, and in the northern parts of Russia." -Lupton

Hemp Plant

"Hemp adapts itself to diversities of climate, and is cultivated equally under the burning sun of the…

A stout fern with light brown scales. The fronds of this fern range between 3 and 6 feet in length, and 2 feet in width.

Polypodium Heracleum

A stout fern with light brown scales. The fronds of this fern range between 3 and 6 feet in length,…

The representation of an outstretched human arm the hand of which holds a bunch of herbs. Herbs are plants that are valued for flavor, scent, and other qualities, they are used in cooking, medicines, and spiritual purposes.

Human Arm Reaching for Herb Medicine

The representation of an outstretched human arm the hand of which holds a bunch of herbs. Herbs are…

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

Herb Robert

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

Stem finely pubescent, flowers 3-4 mm long.

Herpestris

Stem finely pubescent, flowers 3-4 mm long.

This fern has broader, oblong fronds in comparison to the Polypodium lingua, whose fronds are between 4 and 8 inches in lngeth, and 1 to 4 inches in width.

Polypodium Lingua Heteractis

This fern has broader, oblong fronds in comparison to the Polypodium lingua, whose fronds are between…

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

Heteranthera

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

Leaves entire; veins of leaf nearly parallel.

Heteranthera

Leaves entire; veins of leaf nearly parallel.

Flowers solitary; leaves small, less than 5 cm long.

Heteranthera

Flowers solitary; leaves small, less than 5 cm long.

"4. flower of Heterostemma acuminatum; 5. one of its anthers; 6. its pollen masses." -Lindley, 1853

Heterostemma

"4. flower of Heterostemma acuminatum; 5. one of its anthers; 6. its pollen masses." -Lindley, 1853

Base of petiole not expanded; plants large, 5 dm tall or taller.

Hibiscus

Base of petiole not expanded; plants large, 5 dm tall or taller.

Plant large, over 5dm tall; flowers large, white, pink, or purplish.

Hibiscus

Plant large, over 5dm tall; flowers large, white, pink, or purplish.

Large leaves, over 5 cm broad; flowers large, over 5cm across.

Hibiscus

Large leaves, over 5 cm broad; flowers large, over 5cm across.

Magnified pollen of Hibiscus and other Mallow plants, beset with prickly projections.

Hibiscus pollen

Magnified pollen of Hibiscus and other Mallow plants, beset with prickly projections.

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.