Retzia
(named in honour of Anders Johan Retzius, 1742-1821, Professor of Natural History in the University of Lund). ORD. Solanaceae. A monotypic genus. The species is a greenhouse, evergreen, erect shrub, with straight, densely-leafy branches. It will thrive in any light soil. Propagation may be readily effected by cuttings, inserted in sand, under a bell glass. R. capensis (Cape). fl. red or orange, two or three at the nodes or in the axils, long, but almost concealed by the leaves; calyx semi-five-fid; corolla with an elongated tube, and five, rarely six or seven, short, induplicate-valvate lobes. May. l. whorled, long-linear, coriaceous, entire or with revolute margins, silky-pilose when young (and in the axils). h. 4ft. South Africa.