Bladder Senna. See [Colutea].
Blakea. Melastomaceæ.
Increased by cuttings taken from shoots that are about ripe; plant in a pot of sand, and plunge in a moist heat, under a hand-glass.
Blandfordia. Liliaceæ.
Propagated by seeds and offsets, or by division of the old plants, which must be done when repotting.
Blazing Star. See [Liatris].
Bleeding Heart. See [Dicentra].
Blephilia. Labiatæ.
Increased by division of the roots in early spring.
Bletia. Orchideæ.