| + | Leaves entire or sinuate, alternate: fls. solitary or 2-3 together, sometimes as many as 15, yellow, purple or rarely blue, showy in B. longiflora: fr. succulent or fleshy, edible in some species. Prop, by cuttings under a bell-jar or by seeds, which, at least in England, are produced freely in some of the species. B. longiflora, and B. scandens are cult. abroad as greenhouse climbers. B. cymosa is cult. outdoors at Santa Barbara, Calif. |