Brodiaea.—Pretty bulbous plants. B. grandiflora, 1 ft., has large bluish-purple flowers; B. coccinea, 2 to 3 ft., has tubular campanulate nodding flowers of a rich crimson with green tips. Sandy loam.
Bulbocodium.—Pretty spring-flowering crocus-like bulbs. B. vernum, 4 to 6 in. high, purplish-lilac, blooms in March. Good garden soil.
Buphthalmum.—Robust composite herbs with striking foliage, for the back of herbaceous or shrubbery borders. B. cordifolium, 4 ft., has large cordate leaves, and heads of rich orange flowers in cymose panicles in July. Also called Telekia speciosa.
Calandrinia.—Showy dwarf plants for sunny rockwork, in light sandy soil. C. umbellata, 3 to 4 in., much branched, with narrow hairy leaves, and corymbs of magenta-crimson flowers in the summer months.
Calochortus.—Beautiful bulbous plants, called mariposa lilies, requiring warm sheltered spots in rich gritty and well-drained soil. There are several species known, the best being albus, elegans, luteus, Plummerae, splendens, Purdyi, venustus and Weedi.
Caltha.—Showy marsh plants, adapted for the margins of lakes, streamlets or artificial bogs. C. palustris flore-pleno, 1 ft., has double brilliant yellow flowers in May.
Calystegia.—Twining plants with running perennial roots. C. pubescens flore-pleno, 8 to 10 ft., has showy double-pink convolvuloid flowers in July; C. dahurica is a handsome single-flowered summer-blooming kind, with rosy-coloured flowers.
Camassia esculenta.—A beautiful bulbous plant 2 to 3 ft. high with large pale blue flowers. Also a white variety.
Campanula.—Beautiful, as well as varied in habit and character. They are called bell-flowers. C. pulla, 6 in., purplish, nodding, on slender erect stalks; C. turbinata, 9 in., purple, broad-belled; C. carpatica, 1 ft., blue, broad-belled; C. nobilis, 1½ ft., long-belled, whitish or tinted with chocolate; C. persicifolia, 2 ft., a fine border plant, single or double, white or purple, blooming in July; and C. pyramidalis, 6 ft., blue or white, in tall branching spikes, are good and diverse. There are many other fine sorts.