Propagated by divisions, which should be made after the plants have finished flowering, or previous to their starting into growth. These are terrestrial, and their flat, roundish pseudo-bulbs are usually under ground. They bear division well, especially B. hyacinthina, which may be cut up into pieces consisting of a single pseudo-bulb. (See under [Orchids].)

Blood Flower. See [Hæmanthus].

Blood-root. See [Sanguinaria] and [Hæmodorum].

Blueberry. See [Vaccinium].

Blue-eyed Grass. See [Sisyrinchium].

Blumenbachia. Loaseæ.

Propagated by seeds sown in pots in spring, and placed in a gentle heat.

Blumia. See [Saurauja].

Bobartia. Irideæ.

Propagated by separating the offsets during autumn.