Alomia. Compositæ.
Propagated by cuttings.
Alona. Nolanaceæ.
Increased by cuttings, which root freely in sandy loam, with a very gentle bottom heat.
Alonsoa. Scrophularineæ.
Propagated by seeds, sown in spring; also by cuttings in sandy soil, in gentle heat. The herbaceous species may be treated as out-door summer annuals, and should be raised in little heat, and planted out in May.
Aloysia (Sweet-scented Verbena, Lemon Verbena). Verbenaceæ.
Increased easily in spring by young wood. They will root in about three weeks, in sandy soil with gentle heat. Also by cuttings of ripened wood in autumn.
Alpinia. Zingiberaceæ.
Increased by division after the young shoots have made an inch of growth in spring.