574 illustrations of flowers and shrubs including: acacia, acanthus, adder's tongue, agave, alfalfa, alisma, allspice, aloe, anacharis, aristolochia, arnica, arrowhead, arrowroot, artichoke, asparagus, aster, azalea, and azolla

The ovary of astragalus is composed of several united carpels. Each carpel is divided into two cavities.

Cross Section of Nearly Ripe Pod of Astragalus

The ovary of astragalus is composed of several united carpels. Each carpel is divided into two cavities.

<I>Atalantia ceylonica</I> is a spiny shrub or small tree native to India. The leaves grow up to three inches long. The inside of the fruit is dry.

Atalantia Ceylonica

Atalantia ceylonica is a spiny shrub or small tree native to India. The leaves grow up to three inches…

"Athamanta cervariaefolia. 1. a separate flower, with hairy petals; 2. a petal by itself; 3. a ripe fruit with the two carpels or mericarps separating from the double carpopod or axis; 4. a seed deprived of its integuments, and divided vertically, so as to show the position of the embryo." -Lindley, 1853

Athamantha

"Athamanta cervariaefolia. 1. a separate flower, with hairy petals; 2. a petal by itself; 3. a ripe…

The flowers of the atragene alpina shrub are blue, sometimes white. There are ten to twelve petals per flower. This shrub grows in the mountainous regions of Europe.

Atragene Alpina

The flowers of the atragene alpina shrub are blue, sometimes white. There are ten to twelve petals per…

<I>Atriplex breweri</I> is a stout woody shrub that grows four to six feet tall. The leaves are silvery gray, oval shaped and oblong.

Atriplex Breweri

Atriplex breweri is a stout woody shrub that grows four to six feet tall. The leaves are silvery gray,…

Atropa belladona is commonly known as belladona or dwale. The flower is green and purple. The plant has berries that are the size of small cherries.

Atropa Belladona Flower

Atropa belladona is commonly known as belladona or dwale. The flower is green and purple. The plant…

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 aubrietia deltoidea are purple. There are several garden varieties, most of which are considered distinct species.

Aubrietia Deltoidea

The flowers of aubrietia deltoidea are purple. There are several garden varieties, most of which are…

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.

Aubrietia purpurea is a distinct species of aubrietia deltoidea. Purpurea has large, purple flowers. The stems of the flower are very leafy.

Aubrietia Purpurea

Aubrietia purpurea is a distinct species of aubrietia deltoidea. Purpurea has large, purple flowers.…

<I>Aucuba japonica</I> is a stout shrub that grows four to fifteen feet tall. The berries are scarlet, rarely white or yellow, and oblong.

Variegata Variety of Aucuba Japonica

Aucuba japonica is a stout shrub that grows four to fifteen feet tall. The berries are scarlet, rarely…

A tree with orange and red berries.

Sorbus Aucuparia

A tree with orange and red berries.

A true lily that is native to Japan. The flower color is white with gold radial markings and orange spots. They are the largest and strongest-scented of any of the lily species.

Lilium Auratum

A true lily that is native to Japan. The flower color is white with gold radial markings and orange…

"A plant of the same genus with the Primrose, much cultivated in flower-gardens. The Auricula has long been a florist's flower. It was highly esteemed by the Romans, and has, at least since the beginning of the 18th century, received particular attention from the florists of England and Holland." &mdash; Chambers' Encyclopedia, 1875

Auricula

"A plant of the same genus with the Primrose, much cultivated in flower-gardens. The Auricula has long…

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…

"Axillary.--Placed in the axilla (arm-pit). A term by which the angle formed by the union of the leaf and the stem is designated." -Newman, 1850

Axillary

"Axillary.--Placed in the axilla (arm-pit). A term by which the angle formed by the union of the leaf…

Spikelets arranged along rachis with back of fruit away from rachis; rachis 3-sided.

Axonopus

Spikelets arranged along rachis with back of fruit away from rachis; rachis 3-sided.

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

Ayapana

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

The Azalea is a genus of plants that belongs to the health family. There are 100 species that have wonderful, fragrant flowers.

Azalea

The Azalea is a genus of plants that belongs to the health family. There are 100 species that have wonderful,…

"A flowering plant belonging to the Heath family, closely related to the rhododendron."

Azalea

"A flowering plant belonging to the Heath family, closely related to the rhododendron."

The flowers of azalea balsaminaeflora are a bright, salmony red. The flowers resemble rosettes and also look like Camellia-flowered Balsam. This species grows in Japan.

Azalea Balsaminaeflora

The flowers of azalea balsaminaeflora are a bright, salmony red. The flowers resemble rosettes and also…

Azalea indica comes in either a single flowered or double flowered variety. This flower blooms continuously from November to June. This flower is commonly known as the Indian Azalea.

Flower of Azalea Indica

Azalea indica comes in either a single flowered or double flowered variety. This flower blooms continuously…

The flowers of azalea ledifolia are white. The flowers grow in threes at the ends of the branches. The whole shrub is very hairy.

Azalea Ledifolia

The flowers of azalea ledifolia are white. The flowers grow in threes at the ends of the branches. The…

Of the Heath family (Ericaceae), the flame azalea (Rhododendron calendulaceum).

Flame Azalea

Of the Heath family (Ericaceae), the flame azalea (Rhododendron calendulaceum).

A plant with the flowers having the style and stamens much exserted and are quite variable in color. Ranging from pink, purple, and sometimes yellow.

Purple Azalea

A plant with the flowers having the style and stamens much exserted and are quite variable in color.…

Azara is a showy, evergreen shrub with fragrant flowers. The azara microphylla has greenish flowers and numerous small, orange berries.

Habit and Foliage of Azara Microphylla

Azara is a showy, evergreen shrub with fragrant flowers. The azara microphylla has greenish flowers…

Small plant of Azolla Caroliniana.

Azolla Caroliniana

Small plant of Azolla Caroliniana.

Small plant of Azolla Caroliniana, showing two kinds of sporocarp; the small ones contain microspores.

Azolla Caroliniana

Small plant of Azolla Caroliniana, showing two kinds of sporocarp; the small ones contain microspores.

Small plant of Azolla Caroliniana, showing a sporocarp; the small ones contain microspores.

Azolla Caroliniana

Small plant of Azolla Caroliniana, showing a sporocarp; the small ones contain microspores.

A larger sporocarp of the Azolla Caroliniana, more magnified.

Azolla Caroliniana

A larger sporocarp of the Azolla Caroliniana, more magnified.

A larger sporocarp of the Azolla Caroliniana, more magnified and burst open, showing stalked spore-cases.

Azolla Caroliniana

A larger sporocarp of the Azolla Caroliniana, more magnified and burst open, showing stalked spore-cases.

Two sporoscopes of the Azolla Caroliniana; one of them bursting shows four contained macrospores between the two, three of these spores highly magnified.

Azolla Caroliniana

Two sporoscopes of the Azolla Caroliniana; one of them bursting shows four contained macrospores between…

The flowers of the common almond are peach like and handsome.

Flower of Common Almond

The flowers of the common almond are peach like and handsome.

Of the saxifrage family (Saxifragaceae), the leaf of the alumroot or Heuchera americana.

Alumroot Leaf

Of the saxifrage family (Saxifragaceae), the leaf of the alumroot or Heuchera americana.