Propagated by offsets.
Betonica. See [Stachys].
Increased by seeds, which must be sown as soon as gathered, or else stratified. By grafting or budding upon seedling stocks of the common kinds; the former should be done in spring or late winter, and the latter in summer when the buds are ready.
Bidens (Bur Marigold). Compositæ.
Propagated by seeds or by divisions of the plant.
Biebersteinia. Rutaceæ.
Increased by seeds sown in April in a slight hot-bed. In early summer by cuttings, placed under a hand-glass.
Bigelovia. Compositæ.