<I>Arpophyllum spicatum</I> has stems that grow up to eight inches tall. The flowers are numerous and grow a half inch across. The flowers are rose-purple with a bright purple lip.

Arpophyllum Spicatum

Arpophyllum spicatum has stems that grow up to eight inches tall. The flowers are numerous and grow…

<I>Artabotrys uncinatus</I> is a climbing shrub with branches at a wide angle. The leaves are oblong and taper to a point. The flowers have six petals and are brownish red.

Artabotrys Uncinatus

Artabotrys uncinatus is a climbing shrub with branches at a wide angle. The leaves are oblong and taper…

The common names of <I>Artemisia stelleriana</I> are old woman, dusty miller, and beach wormwood. The plant grows two feet tall and has a woody, creeping base.

Artemisia Stelleriana

The common names of Artemisia stelleriana are old woman, dusty miller, and beach wormwood. The plant…

The common name of <I>Artemisia pontica</I> is Roman wormwood. The plant is shrubby and erect, growing between one and four feet tall. The flower heads are small and whitish yellow.

Artemisia Pontica

The common name of Artemisia pontica is Roman wormwood. The plant is shrubby and erect, growing between…

The common name of <I>Artemisia vulgaris</I> is mugwort. The leaves are white and cottony beneath but green above. There are many oblong, yellow flower heads.

Artemisia Vulgaris

The common name of Artemisia vulgaris is mugwort. The leaves are white and cottony beneath but green…

<I>Artemisia lactiflora</I> is a white flowered form of mugwort. It is a beautiful plant with fragrant foliage.

Artemisia Lactiflora

Artemisia lactiflora is a white flowered form of mugwort. It is a beautiful plant with fragrant foliage.

Globe artichokes is grown for its edible flower heads. It is a strong, thistle-like plant.

Globe Artichoke

Globe artichokes is grown for its edible flower heads. It is a strong, thistle-like plant.

The edible parts of the artichoke are the the fleshy receptacle of the flower head and the thickened base of the scales. They can be eaten raw but are usually boiled and served with butter or sauce.

Edible Heads of Artichoke

The edible parts of the artichoke are the the fleshy receptacle of the flower head and the thickened…

Jerusalem artichoke is the tuber of a sunflower. The flower produces white, edible tubers. It can be raw or boiled and served cold with oil and vinegar.

Tuber of Jerusalem Artichoke

Jerusalem artichoke is the tuber of a sunflower. The flower produces white, edible tubers. It can be…

<I>Arum italicum</I> is larger than the maculatum variety. The leaves are triangular and light veined. The flower is yellowish or white.

Arum Italicum

Arum italicum is larger than the maculatum variety. The leaves are triangular and light veined. The…

Pictured is a milkweed flower showing pollination. The pollen coheres into a waxy mass. The pollen-masses are usually twin (as at b), and the handle or caudicle lies in a chink on the side of the stigma.

Milkweed Flower

Pictured is a milkweed flower showing pollination. The pollen coheres into a waxy mass. The pollen-masses…

The common name of <I>Ascyrum hypericoides</I> is St. Andrew's cross. The plant is branchy and grows a foot or less tall. The flowers are bright yellow.

Ascyrum Hypericoides

The common name of Ascyrum hypericoides is St. Andrew's cross. The plant is branchy and grows a foot…

The flowers of <I>Asparagus sprengeri</I> are whitish pink, fragrant, and appear in May and June. The plant grows six feet or less tall.

Asparagus Sprengeri

The flowers of Asparagus sprengeri are whitish pink, fragrant, and appear in May and June. The plant…

<I>Asparagus asparagoides</I> is also known as smilax of florists. The stems are slender and branched. The flowers are greenish white.

Asparagus Asparagoides

Asparagus asparagoides is also known as smilax of florists. The stems are slender and branched. The…

The common name of <I>Asperula odorata</I> is sweet woodruff. The plant grows between six and eight inches tall. The leaves usually grow in whorls of eight.

Asperula Odorata

The common name of Asperula odorata is sweet woodruff. The plant grows between six and eight inches…

<I>Aster macrophyllus</I> has a reddish, angular stem and grows about two and a half feet tall. The leaves are heart shaped.

Aster Macrophyllus

Aster macrophyllus has a reddish, angular stem and grows about two and a half feet tall. The leaves…

<I>Aster cordifolius</I> has a smooth stem with thin, rough, usually hairy leaves. The flowers heads are blue and numerous.

Aster Cordifolius

Aster cordifolius has a smooth stem with thin, rough, usually hairy leaves. The flowers heads are blue…

The common name of <I>Aster novae-angliae</I> is New England aster. The plant grows between three and five feet tall. The flowers are violet-purple, numerous, and showy.

Aster Novae-Angliae

The common name of Aster novae-angliae is New England aster. The plant grows between three and five…

<I>Aster herveyi</I> grows two to three feet tall. The firm leaves are rough above and hairy on the veins beneath. The flowers heads are violet and numerous.

Aster Herveyi

Aster herveyi grows two to three feet tall. The firm leaves are rough above and hairy on the veins beneath.…

Pictured is <I>Aster lindleyanus</>, a native species of aster.

Aster Lindleyanus

Pictured is Aster lindleyanus, a native species of aster.

<I>Aster puniceus</> is a native species of aster.

Aster Puniceus

Aster puniceus is a native species of aster.

The comet type of China aster has very flat rays. The flowers are rose, white, or blue.

China Aster, the Comet Type

The comet type of China aster has very flat rays. The flowers are rose, white, or blue.

The branching type of China aster was first introduced in 1893. It is likely that more than half of asters grown in the United States are branching types.

The Branching Type of China Aster

The branching type of China aster was first introduced in 1893. It is likely that more than half of…

Pictured is a China aster of the quilled type.

Quilled Type of China Aster

Pictured is a China aster of the quilled type.

<I>Astilbe japonica</I> grows one to three feet tall. The flowers are white.

Astilbe Japonica

Astilbe japonica grows one to three feet tall. The flowers are white.

The stem of <I>Astilbe astilboides</I> grows two to three feet tall. The leaves are oval and oblong. The flowers are white and crowded in dense spikes.

Astilbe Astilboides

The stem of Astilbe astilboides grows two to three feet tall. The leaves are oval and oblong. The flowers…

<I>Astragalus hypoglottis</I> grows between three and twenty four inches tall. The flowers are violet-purple. There is also a white variety.

Astragalus Hypoglottis

Astragalus hypoglottis grows between three and twenty four inches tall. The flowers are violet-purple.…

<I>Astragalus adsurgens</I> is a small plant with fifteen to twenty five leaflets. The flowers are purplish and about one inch long.

Astragalus Adsurgens

Astragalus adsurgens is a small plant with fifteen to twenty five leaflets. The flowers are purplish…

Atropa belladonna is known as deadly nightshade. The plant is erect, branching, and leafy. The leaves are oval and pointed. The flowers grow single or in pairs.

Atropa Belladonna

Atropa belladonna is known as deadly nightshade. The plant is erect, branching, and leafy. The leaves…

The flowers of <I>Aubrietia deltoidea</I> are violet or purple. The plant grows two to twelve inches tall.

Aubrietia Deltoidea

The flowers of Aubrietia deltoidea are violet or purple. The plant grows two to twelve inches tall.

Auricula is a European perennial that bears flowers of many colors. The flowers grow wild in the mountains of Switzerland, Austria, Syria, and Caucasus.

Auricula

Auricula is a European perennial that bears flowers of many colors. The flowers grow wild in the mountains…

Pictured is an autumn blooming bulb. The scientific name of the flower is <I>Colchicum autumnale.</I>

Colchicum Autumnale

Pictured is an autumn blooming bulb. The scientific name of the flower is Colchicum autumnale.

Babiana stricta grow one foot or less tall. The leaves are broad and sword shaped. The flowers are scattered, showy, and usually red or purple.

Babiana Stricta

Babiana stricta grow one foot or less tall. The leaves are broad and sword shaped. The flowers are scattered,…

Camellia flowered balsams are the full double forms.

Camellia Flowered Balsam

Camellia flowered balsams are the full double forms.

Pictured is a full grown garden balsam.

Garden Balsam

Pictured is a full grown garden balsam.

Illustrated in the tip of a flower cluster of banana. The cluster is similar to a giant, elongated bud with large, tightly overlapping scales or bracts.

Flower Cluster of Banana

Illustrated in the tip of a flower cluster of banana. The cluster is similar to a giant, elongated bud…

<I>Banksia ericifolia</I> is a shrub or small tree, growing twelve to fourteen feet tall. The leaves grow hardly any longer than three quarters of an inch. The flowers are yellow.

Banksia Ericifolia

Banksia ericifolia is a shrub or small tree, growing twelve to fourteen feet tall. The leaves grow hardly…

The common names of <I>Barbarea vulgaris</I> are common winter cress, upland cress, and yellow rocket. The plant grows ten to eighteen inches tall. The flowers are small, yellow, and clustered.

Barbarea Vulgaris

The common names of Barbarea vulgaris are common winter cress, upland cress, and yellow rocket. The…

<I>Barosma pulchella</I> grows three to four feet tall. The leaves are scattered and oval shaped. The flowers grow alone or in pairs.

Barosma Pulchella

Barosma pulchella grows three to four feet tall. The leaves are scattered and oval shaped. The flowers…

The flowers of <I>Barringtonia speciosa</I> are large and showy. The petals are white with a purple tinted stamen.

Barringtonia Speciosa

The flowers of Barringtonia speciosa are large and showy. The petals are white with a purple tinted…

Pictured is a rustic basket with convolvulus flowers.

Rustic Basket

Pictured is a rustic basket with convolvulus flowers.

<I>Bauhinia kappleria</I> is a strong tree that grows to fifty feet tall. The flowers are whitish rose with darker and purple markings.

Bauhinia Kappleria

Bauhinia kappleria is a strong tree that grows to fifty feet tall. The flowers are whitish rose with…

<I>Begonia socotrana</I> is a winter flowering species. The flowers are bright rose. The leaves are dark green and four to seven inches across.

Begonia Socotrana

Begonia socotrana is a winter flowering species. The flowers are bright rose. The leaves are dark green…

Begonia Gloire de Lorraine is a hybrid. The leaves are small and pure green. The flowers have four petals and are rose colored.

Begonia Gloire de Lorraine

Begonia Gloire de Lorraine is a hybrid. The leaves are small and pure green. The flowers have four petals…

The Begonia Gloire de Sceaux plant is stout, half shrubby, erect, vigorous, and compact. It will grow about eight feet tall. The flowers are large and rose colored.

Begonia Gloire de Sceaux

The Begonia Gloire de Sceaux plant is stout, half shrubby, erect, vigorous, and compact. It will grow…

The leaves of <I>Begonia davisii</I> are dull green and thinly hairy. The flowers are bright red.

Begonia Davisii

The leaves of Begonia davisii are dull green and thinly hairy. The flowers are bright red.

The stem of <I>Begonia boliviensis</I> droops and grows two to three feet tall. The flowers are scarlet, long, and fuschia like. The male flowers are twice as long as the female flowers.

Begonia Boliviensis

The stem of Begonia boliviensis droops and grows two to three feet tall. The flowers are scarlet, long,…

<I>Begonia dregei</I> grows one to three feet tall. The leaves are thin, small, deeply serrated, and green. The flowers are white and small.

Begonia Dregei

Begonia dregei grows one to three feet tall. The leaves are thin, small, deeply serrated, and green.…

Illustrated is a single flowered <I>Begonia tuberhybrida</I>. It is the garden race of tuberous begonias.

Begonia Tuberhybrida

Illustrated is a single flowered Begonia tuberhybrida. It is the garden race of tuberous begonias.

<I>Begonia tuberhybrida</I> is a garden form of tuberous begonia. Illustrated is the double flowered variety.

Begonia Tuberhybrida

Begonia tuberhybrida is a garden form of tuberous begonia. Illustrated is the double flowered variety.

Pictured is a double flowered <I>Begonia tuberhybrida</I>. It is a garden form of tuberous begonia.

Begonia Tuberhybrida

Pictured is a double flowered Begonia tuberhybrida. It is a garden form of tuberous begonia.

Illustrated is <I>Begonia rex</I> in its original form. The leaves are hairy and have a rich, metallic green color. The flowers are large and rose tinted.

Begonia Rex

Illustrated is Begonia rex in its original form. The leaves are hairy and have a rich, metallic green…

Begonia Countess Louise Erdoedy is a variety of <I>Begonia rex</i>. The leaves have a silvery upper surface with deep green veins.

Begonia Countess Louise Erdoedy

Begonia Countess Louise Erdoedy is a variety of Begonia rex. The leaves have a silvery upper surface…

The flowers of <I>Begonia rajah</I> are small and pink. It is a distinct and beautiful hothouse species.

Begonia Rajah

The flowers of Begonia rajah are small and pink. It is a distinct and beautiful hothouse species.

The leaves of <I>Begonia magnifica</I> are large and bold, sometimes rising two feet. The flowers are long and fuschia like. The flowers are scarlet red.

Begonia Magnifica

The leaves of Begonia magnifica are large and bold, sometimes rising two feet. The flowers are long…

Begion triomphe de lorraine is a variety of <I>Begonia semperflorens</I>. The flowers are cherry red and the stamens are golden yellow.

Begonia Tromphe de Lorraine

Begion triomphe de lorraine is a variety of Begonia semperflorens. The flowers are cherry red and the…

Begonia corbeille de feu is also known as basket of fire. The flowers are bright, coral-red. The plant branches freely from the base.

Begonia Corbeille de Feu

Begonia corbeille de feu is also known as basket of fire. The flowers are bright, coral-red. The plant…

The flowers of <I>Begonia fuchsioides</I> droop like fuchsia and are rich scarlet. The plant grows two to three feet tall.

Begonia Fuchsioides

The flowers of Begonia fuchsioides droop like fuchsia and are rich scarlet. The plant grows two to three…

The flowers of <I>Begonia ingramii</I> are large and rose colored. It is a free flowering plant.

Begonia Ingramii

The flowers of Begonia ingramii are large and rose colored. It is a free flowering plant.

<i>Begonia scharffiana</I> grows one to three feet tall. The leaves are large, thick, fleshy, hairy, olive green above, and crimson below. The flowers are waxy white with red hairs under the surface of the petals.

Begonia Scharffiana

Begonia scharffiana grows one to three feet tall. The leaves are large, thick, fleshy, hairy, olive…