Bracteoles deciduous. Calyx more or less top-shaped at the base. Corolla yellow, more rarely white marked with violet; standard glabrous. Ovules 2-6. Fruit membranous or leathery, hardened in the middle, more or less distinctly winged. (See 247.) =Pterocarpus= L. 354. (347.) Uppermost stamen united with the others in the middle, at least when young. 355 Uppermost stamen free throughout. 361 355. Wings free from the keel. Ovules more than two. Fruit 2-valved. Leaflets usually with stipels. 356 Wings adhering to the keel. Leaflets usually without stipels. 357 356. Flowers in axillary racemes, without bracteoles. Corolla white. Ovary stalked, not surrounded by a disc. Style hairy at the apex. Stipules spine-like. (See 203.) =Robinia= L. Flowers in terminal racemes or panicles, with bracteoles. Corolla red, bluish, or white. Ovary usually surrounded at the base by a disc. Style glabrous.--Species 60. Tropical and South-east Africa. Some species yield timber, dyes, and poison. =Millettia= Wight & Arn. 357. Calyx-teeth distinctly developed. Fruit dehiscing by two valves. Shrubs. Bracteoles absent. 358 Calyx-teeth very short or wanting. Fruit indehiscent. Trees or climbing shrubs. Bracteoles present. 359 358. Petals acuminate, red; standard lanceolate; keel beaked. Style glabrous.--Species 10. Madagascar. =Chadsia= Boj. Petals obtuse or subacute, white or red; standard suborbicular; keel not beaked. (See 233.) =Tephrosia= Pers. 359. Fruit winged. Seeds flat. Ovary sessile or short-stalked. (See 351.) =Derris= Lour. Fruit not winged. 360 360. Fruit with a thick-leathery, almost woody pericarp, oblique-oblong, not thickened at the sutures. Seed 1, kidney-shaped, rather thick. Ovary subsessile, with 2 ovules. Climbing shrubs. Flowers in racemes, reddish.--Species 1. Seychelles. The wood and the oily seeds are used. (_Galedupa_ Lam.) =Pongamia= Vent. Fruit with a membranous or leathery pericarp. Seeds flat. (See 303.) =Lonchocarpus= H. B. & K. 361. (354.) Stem shrubby, erect or climbing. 362 Stem tree-like. 371 362. Style bearded lengthwise towards the apex. Ovules numerous. Fruit indehiscent or dehiscing at the top only. Flowers in axillary racemes. 363 Style glabrous, or hairy at the base only, or bearing a penicillate stigma. 365 363. Style bearded on the back or all round. Stigma terminal. Corolla red or white; keel blunt, shorter than the standard. Fruit finally dehiscing at the top. (See 340.) =Lessertia= DC. Style bearded on the inner side only. Ovary stalked. Fruit inflated, indehiscent. 364 364. Stigma terminal. Corolla red; keel pointed, exceeding the standard. Bracteoles present.--Species 1. South Africa. Used as an ornamental plant. =Sutherlandia= R. Br.