Borago. Boragineæ.
Propagated by seeds sown from spring or autumn in any good garden soil. Also by divisions in spring, or by striking cuttings in a cold-frame.
Borassus. Palmæ.
Increased by seeds sown in a strong bottom heat.
Borbonai. Leguminosæ.
Propagated by cuttings in spring. They should be half-ripened, and placed in a sandy soil under a bell-glass, in a cool house.
Boronia. Rutaceæ.
Increased by seed. By young cuttings, or those made from half-ripened wood. Place these in a thoroughly drained pot of sandy soil, with one inch of sand on the surface, and cover with a bell-glass; remove frequently and wipe dry.
Borreria. Rubiaceæ.