Chrysanthemum-flowered Aster.
Truffaut's Pæony-flowered Aster.
Victoria Aster.
FIG. 328. FLOWER-HEADS OF CALLISTEPHUS CHINENSIS VARS.
C. chinensis (Chinese).* fl-heads dark purple. July. l. ovate, coarsely toothed, stalked; stem ones sessile, cuneate at the base. Stem hispid. Branches with single heads. h. 2ft. China, 1731. See Fig. 328.
CALLITRIS (probably altered from kallistos, most beautiful; referring to the whole plant). ORD. Coniferæ. SYN. Frenela. Half-hardy evergreen shrubs or small trees, with long, very slender-jointed branches, and often very minute, scale-like, persistent leaves. Flowers monœcious. Fruit globular, composed of four to six—rarely eight—unequal, woody, valvate scales, with one or two seeds at the base of each. All the species are somewhat tender, in England, except in the more southern districts. They require a sandy loam compost. Propagated by cuttings, inserted under a handlight in autumn, and protected by a cold pit; or by seeds.
C. quadrivalvis (four valved). Arar-tree; Sandarach Gum-tree. fl., female catkin tetragonal, with four oval valves, each furnished with a point, and two of which bear seeds. February to May. l. flattened, articulate. h. 15ft. to 20ft. Barbary, 1815.
CALLIXENE. See Luzuriaga.
FIG. 329. FLOWERS AND LEAVES OF CALOCHORTUS VENUSTUS.