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
Agave angustissima is a closely allied form with agave schidigera. The leaves are often narrow and reddened.…
The trunk of Agave attenuate is four to five feet. The trunk is sometimes prostrate.
The inflorescence of agave attenuata is five to ten feet long. The flowers are paired, about two inches.
The flowers of agave celsiana are purplish brown and two inches long. The leafless stalk is four feet…
The flower of the agave densiflora is a yellowish red color and about two inches long. Thirty to forty…
The leaves of Agave franzosinii are lance shaped, roughish, and white. The leaves are also have a large,…
The agave yuccaefolia flower is greenish yellow and grows either solitary or in pairs. Twenty to forty…
Littaea geminiflora, or the Twin-Flowered Agave, showing the flower and the whole plant.
The leaves of Ageratum houstonianum are heart shaped at the base. The flowers are blue.
Aglaonema costatum is very dwarf and compact. The leaves are thick, heart shaped, and three inches wide.…
"Agrimony (Agrimonia Eupatoria) showing branch, flowering spray, and fruit."-Whitney, 1902
Pictured are the flower and bud of Agrimonia euphoria. The common name of the plant is common agrimony.…
"A genus of plants of the natural order rosacae, sub-order Potentilleae. The calyx is five-cleft, without…
Agrostemma is also known as Rose Campion. The coeli-rosa fimbriata variety have petals with a border…
The agromstemma coeli-rosa purpurea flower has dark purple flowers. It is one of the prettiest varieties…
The flowers of agrostemma coronaria are white with a red middle. Each stem has one flower. The leaves…
The agrostemma flos-jovis is known as the Flower of Jove. The flowers are purple or scarlet.
Air potato is the common name of dioscorea bulbifera. The tubers sometimes weigh several pounds. They…
Ajuga is also known as Bugle. The ajuga reptans flower varies from blue to rose in color. This is a…
Ajuga reptans variety variegate has leaves splashed and edged with creamy yellow.
The flowers of Akebia quint are purple and fragrant. The flowers appear in early spring.
The fruit of Akebia quint is oblong and three to five inches long. The berries are dark purple.
"Akenes of a buttercup. A, head of akenes; B, section of a single akene. a, seed." -Bergen, 1896
Plant used for medicinal purposes by many Native American tribes, common in many forms of tea.
A popular fern with variagated fronds that are straw-colored. It thrives on acidic soil.
A plant with divided fronds, which are rounded and convex. They are generally between 2 and 3 feet in…
"The popular name of shrubs and trees belonging to the geenus Alnus, natural order Cupuliferæ."-Whitney,…
"Aldrovanda vesiculosa. Leaf pressed open and enlarged, showing glands, sensitive filaments, and quadrifid…
Alfalfa and lucerne are the common names of medicago sativa. The plant is native to Europe. It is cultivated…
Alisma is also known as water plantain. The alisma natans flower is white. This plant is rare in North…
The flowers of alisma plantago are rose colored and delicate. This is an British, aquatic plant.
Alismaceae is an order of herbaceous marsh plants with milky juice. Butomaceae is an order of aquatic…
Allamanda cathartica variety hendersonii is tall, vigorous, and free flowering. The leaves are large,…
"Allaria officinalis. a, upper part of stem, with leaves and flowers; b, extremity of a branch, in fruit."…
The common name of Allium fistulosum is welsh onion. It has no distinct bulb, but only an enlarged base…
Allium moly flowers are bright yellow. The flowers spread from compact common centers.
The flowers of Allium moly are numerous and appear in early spring. The leaves are flat and broad.
The leaves of Allium neapolitanum are long and narrow. The flowers are large, pure white, with colored…
The common name of Allium tricoccum is common wild leek. The flowers are greenish white on a scape four…
Allium ursinum is also known as ramsons or broad-leaved garllic. The flowers are pure white. There are…
The leaves of Alloplectus schlimii are green above and violet or violet purple beneath. The calyx is…