By seeds, as described on [page 12]; or, for the early crop, sow under glass, as in a hot-bed.
Celosia (Cockscomb). Amarantaceæ.
Propagated by seed sown in spring, in pans of well-drained, rich, sandy soil or in the open.
Celsia. Scrophularineæ.
Increased by seeds, which may be sown in the open border and thinned out for flowering, or raised in nursery beds and transplanted. C. Arcturus should be increased by cuttings, the young wood striking freely in a cool house or frame.
Celtis (Nettle-tree). Urticaceæ.
Increased by seeds, which should be sown as soon as ripe. By layers, and by cuttings of ripened shoots in autumn.
Centaurea. Compositæ.
Annuals by seeds, which may be sown in the open border. To propagate C. Cineraria, and some others sow seeds in August in slight heat, or make cuttings about the beginning of September.
Centranthus. Valerianeæ.