Balfouria. See [Wrightia].

Balm (Melissa officinalis). Labiatæ.

Seeds sown out-doors in spring. Division.

Balsam (Impatiens balsamina). Geraniaceæ.

Increased by seeds sown in early spring, in pans of rich, sandy soil, and placed in a gentle bottom heat of about 65°. Or the seeds may be sown directly in the garden when the weather becomes warm. Varieties increased by layers in late summer, under glass, or by veneer grafting.

Balsamodendron. Burseraceæ.

Increased by cuttings taken from the ripe young wood, in spring, and placed under a hand-glass, in bottom heat.

Balsam-tree. See [Clusia].

Bambusa (Bamboo). Gramineæ.

Propagated by careful division of well-developed plants, in early spring, just as new growth is commencing; establish the divisions in pots. If young shoots are layered, leave only the end exposed.