Propagated by seeds and division.
Burning Bush. See [Euonymus].
Bursaria. Pittosporeæ.
Increased by young cuttings put in sand under a bell-glass, with a little bottom heat.
Bursera. Burseraceæ.
Propagated by cuttings placed under a bell-glass, with bottom heat.
Burtonia. Leguminosæ.
Some of the species produce seed in abundance, and these form the best means of increase. By young cuttings, which root freely in sandy soil in a cool house, with a bell-glass over them.
Butcher’s Broom. See [Ruscus].
Butomus (Flowering Rush). Alismaceæ.