CALECTASIA (from kalos, beautiful, and ektasis, extension; in allusion to the star-like perianth segments). ORD. Juncaceæ. An elegant greenhouse suffruticose perennial, with dry, permanent, starry flowers. It thrives best in a compost of peat and loam. Propagated by divisions.
C. cyanea (blue). fl. bright blue, solitary, on short terminal branches. June. l. needle-shaped, sheathing at the base. Australia, 1840. (B. M. 3834.)
CALENDULA (from calendæ, the first day of the month; in allusion to the almost perpetual flowering). Marigold. ORD. Compositæ. A genus of showy greenhouse and hardy annuals, and some few greenhouse shrubby species. Pappus none; receptacle naked; involucre of one or two series of sub-equal, acuminate, generally scarious-edged bracts. The shrubby species are propagated by cuttings, and thrive best in a compost of loam and peat.. For culture of the annuals, see Marigold.
FIG. 323. FLOWERS OF CALENDULA OFFICINALIS.
C. arvensis (field). fl.-heads yellow. Pericarps urceolate, obovate, smooth; outer lanceolate-subulate, muricated at back. h. 2ft. Europe, 1597. Hardy annual.
C. maderensis (Madeira).* fl.-heads orange. Pericarps cymbiform, incurved, muricated; outer five ovate-lanceolate, membranous, toothed at edge. h. 2ft. Madeira, 1795. Hardy. SYN. C. stellata.
C. officinalis (officinal).* Common Marigold. fl.-heads orange. June to September. Pericarps cymbiform, all incurved, muricated. h. 3ft. South Europe, 1573. Hardy annual. See Fig. 323.
C. o. prolifera (proliferous). A garden form, analogous to the Hen and Chickens Daisy. See Fig. 324.
C. stellata (stellate). A synonym of C. maderensis.
FIG. 324. FLOWER OF CALENDULA OFFICINALIS PROLIFERA.
CALICO BUSH. See Kalmia latifolia.
CALIFORNIAN EVERGREEN REDWOOD. See Sequoia sempervirens.