Cryptostemma. Compositæ.
Propagated by seeds, which should be sown on a gentle hot-bed in early spring.
Cubeba. See [Piper].
Cucumber (Cucumis sativus). Cucurbitaceæ.
Seeds. If sown out-doors, the operation should be delayed until the weather is thoroughly settled.
Cucumber-tree. See [Magnolia].
Cunninghamia (Broad-leaved China Fir). Coniferæ.
Increased by seeds and cuttings of growing wood.
Cuphea. Lythrarieæ.