Seeds. Increased by cuttings, green or ripe, which strike root readily in sand, in heat.
Corema (Portugal Crakeberry, Crowberry). Empetraceæ.
Seeds. Propagated by cuttings planted during summer.
Coreopsis, Calliopsis. Compositæ.
The hardy annuals, which are largely grown under the name of calliopsis for summer ornamentation, by seed, which should be sown in March in a gentle heat, or outside later. The perennials are propagated also by divisions of the root in autumn or spring, or during the summer by young cuttings, which will strike freely in a cold-frame.
Coriander (Coriandrum sativum). Umbelliferæ.
Seeds sown in fall or spring.
Corn. See [Maize].
Corn Salad (Valerianella, several species). Valerianeæ.
Seeds sown in spring, summer or autumn.