Increased by seeds, which should be sown in sand and leaf-mould in the open, or in pots placed in a cold-frame. By divisions.

Barbadoes Gooseberry. See [Pereskia].

Barbarea (Winter Cress, American Cress, Upland Cress). Cruciferæ.

Increased by seeds, divisions, suckers and cuttings.

Barberry (Berberis vulgaris). Berberideæ.

Propagated by stratified seeds, or by suckers, layers and cuttings of mature wood. Layers are usually allowed to remain two years. Rare sorts are sometimes grafted on common stocks.

Barbieria. Leguminosæ.

Propagated by cuttings of the half-ripened wood, which should be placed in sand, under a glass, in strong heat.

Barkeria. Orchideæ.

Propagated by divisions made just before new growth commences. See under [Orchids].