Propagated by cuttings. Those of the perennial kinds strike root readily in a light soil, in heat. The annual kinds require a similar treatment to other tender annuals.
Bossiæa. Leguminosæ.
Seeds should be sown on a slight hot-bed in March. Also increased by half-ripened cuttings, which should be placed in a pot of sand with a bell-glass over them, in a cool house.
Boswellia (Olibanum Tree). Burseraceæ.
Increased easily by cuttings in sand under a glass.
Botrychium. See [Ferns].
Botryanthus. See [Muscari].
Bouchea. Verbenaceæ.
Increased during spring by cuttings, placed in sand under a glass and in a gentle heat.
Bougainvillea. Nyctagineæ.