Roupellia
(named in honour of the Roupell family, encouragers of botany). ORD. Apocynaceae. A genus comprising two or three species of stove or green-house, glabrous, sometimes climbing, African shrubs. Flowers white or pink, showy, in terminal, dichotomous cymes; calyx of five oblong or lanceolate segments; corolla funnel-shaped, with a short tube, an ample campanulate throat, and ten processes, united in a ring below; lobes five, broad, twisted. Follicles long, hard, and thick, divaricating, connate at base. Leaves opposite, penniveined. R. grata, the only species introduced, is a tall, stove climber, thriving in a compost of fibry loam and peat. It may be increased by means of cuttings of the young shoots, inserted in sand, under a bell glass, in heat. R. grata (agreeably-scented). Cream Fruit-tree. fl., corolla white, tinged with pale rose-colour, very fragrant, in dense, sessile cymes; corolla segments broadly obovate; coronal processes pale rose-colour. May. fr. the Cream Fruit of the natives. l. nearly 1ft. long, shortly petiolate, oblong-elliptic, shortly acuminate, prickly at base, rather thick; petioles red, scarcely dilated at base. Sierra Leone. (B. M. 4466.)