Pumpkin is the common name of cucurbita pepo. The leaves are dull, dark green and three to five lobed.…
Cushaw, China, Canada, and Winter crookneck squash are the common names of curcurbita moschata. The…
Squash is the common name of curcurbita maxima. The plant is long running, slightly prickly and often…
Cuphea hyssopifolia has a shrubby stem and numerous branches. The flowers are scarcely longer than the…
The common name of cuphea llavea is the red-white-and-blue flower. The stems are numerous. The plant…
The branches of cuphea ignea are somewhat angled. The flowers stalks are two to four times long than…
Curculiga latifolia grows two to three feet tall. The flowers are bright yellow and grow in a dense…
The common name of curcuma petiolata is queen lily. The leaves are six to eight inches long. The flowers…
Illustrated is cuscuta gronovii, one of the most common species of dodder. The plant is twining on its…
Shown is a flower of perfect form and the crested variety of cyclamen persicum. The plant is native…
The flowers of cymbidium giganteum are dull purple, brownish, or yellowish green striped with purple.…
Umbrella plant is the common name of cyperus alternifolius. The plant grows one to four feet tall. The…
Chufa is native to the tropics and subtropics. The tubers of the plant are edible. Chufa is the common…
The common name of cyphomandra betacea is tree tomato. The plant is native to Brazil. It is cultivated…
Cypripedium spectabile is a stout plant. The flowers bloom in June. It is found from Maine, New England,…
Dendrobium dearei has white flowers that are about two inches across. The plant is native to the Philippines.
The common name of dentaria diphylla is pepper root. The plant grows eight to sixteen inches tall. The…
Illustrated are the pods of desmodium canadense. The plant is also known as tick trefoil.
Deutzia gracilis grows three feet tall and has slender, arching branches. The flowers are pure white.…
Maiden pink is the common name of dianthus deltoides. The plant is densely tufted and grows six to ten…
Dianthus chinensis flowers are large, clustered, and pink or lilac. The plant is native to China and…
Bleeding heart is the common name of dicentra spectabilis. The plant grows one to two feet tall. The…
Dicentra formosa is native from central California to British Columbia. The flowers are rose purple…
Dutchman's breeches is the common name of dicentra cucullaria. The flowers are white tipped with creamy…
Dimorphotheca aurantiaca is a variety of cape marigold. The flowers are large and orange yellow. It…
Venus Fly Trap is the common name of dionaea muscipula. The plant is insectivorous, meaning it eats…
Leatherwood, moosewood, and wicopy are the common names of dirca palustris. The plant grows two to six…
The disanthus cercidifolius shrub grows to ten feet and has slender branches. The flowers are dark purple.…
Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden…
Illustrated is "tip growth" of yellows. It is the yellowing of foliage caused by physiological diseases.
Illustrated are nymphs of the four-lined leaf bug and the adult of the tarnished plant bug. The small…
Illustrated is a leaf of belleville dock. It is a European and North American plant. It is really a…
Shooting star is the common name of dodecatheon meadia The plant grows two feet tall and blooms in May…
Drosera rotundifolia is a carnivorous plant. Each stem has five to twelve flowers. The flowers are white…
The leaves of dyckia rariflora have small spines on the margin. The plant is native to Brazil.
Mayflower and trailing arbutus are the common names of epigaea repens. The plant spreads on the ground…
The common names of eryngium are sea holly and eryngo. The amethystinum variety is a stout plant that…
Erysimum perofskianum is an erect plant that grows one to two feet tall. The flowers are large and bright…
Adder's tongue is the common name of erythronium americanum. The flowers are yellow with recurved segments.…
Erythronium hendersonii is a slender plant growing twelve inches tall. It is one to three flowered.…
The common name of eucalyptus globulus is blue gum. Illustrated are shoots on a young plant. The leaves…
Amazon lily is the common name of the eucharis plant. Pictured is the leaf of E. grandiflora and the…
Boneset and thoroughwort are the common names of eupatorium perfoliatum. The flowers are grayish white…
Scarlet plume is the common name of euphorbia fulgens. The plant is native to Mexico. It is a small…
Mexican fire plant is the common name of euphorbia heterophylla. It is native in a range from the eastern…
Crown of thorns is the common name of euphorbia splendens. The stems are covered with spines about an…
Illustrated is a euphorbia neriifolia hedge in the west Indies. The plant blooms in June and July.
Illustrated is a young plant of caper spurge, seen endwise. Caper spurge is also known as mole plant.…
Golden chain and bean tree are the common names of laburnum anagyroides. The flowers bloom in May and…
Illustrated is the maze on St. Catherine's Hill in Winchester, England. The plant was made in 1710.