Stigma placed beneath the hooked apex of the style. Corolla yellow; keel blunt; standard with two callosities on the inner side.--Species 2. North Africa and Abyssinia. They (especially _C. arborescens_ L. bladder senna) are used as ornamental plants and yield a dye and medicaments. =Colutea= L. 365. Connective of the stamens bearing a gland, a short point, or a tuft of hairs. Wings adhering to the keel. Fruit 2-valved. Hairs fixed by the middle. Bracteoles absent. (See 215.) =Indigofera= L. Connective without an appendage. Bracteoles usually present. 366 366. Ovule 1. Fruit ovate, indehiscent; pericarp adhering to the seed. Gland-dotted plants. (See 153.) =Psoralea= L. Ovules 2 or more. 367 367. Calyx 2-lipped, the upper lip hooded, notched, equalling the standard, the lower lip divided into 3 narrow teeth. Corolla yellowish. Ovary sessile. Ovules 5-7. Flowers in panicles, with large persistent bracteoles.--Species 8. West Africa. =Platysepalum= Welw. Calyx obscurely 2-lipped, with a not very large upper lip, or equally 4-5-toothed, or almost entire. 368 368. Wings adhering to the keel. 369 Wings free from the keel. 370 369. Calyx-teeth very short or wanting. Fruit flat, narrowly winged, transversely chambered or 1-celled, indehiscent. Usually climbing plants. (See 351.) =Derris= Lour. Calyx-teeth distinctly developed. Fruit longitudinally 2-celled, more rarely 1-celled, but turgid, finally dehiscing by two valves. (See 219.) =Astragalus= L. 370. Inflorescence axillary. Corolla yellowish. Ovary sessile. Ovules free. Fruit leathery, suborbicular, not winged, indehiscent. Seed 1, oblong or ovate. Climbing plants. Leaflets without stipels.--Species 3. West Africa. =Ostryocarpus= Hook. fil. Inflorescence terminal. Ovary usually surrounded by a disc. Fruit linear or oblong, tardily dehiscing by two valves. Seeds orbicular or reniform. (See 356.) =Millettia= Wight & Arn. 371. (361.) Calyx 2-lipped, with large entire lips. Corolla yellow; wings free; petals of the keel free. Ovary subsessile, surrounded by a lobed disc. Ovules 3-4. Bracteoles small, deciduous.--Species 1. West Africa (Congo). =Dewevrea= Mich. Calyx 2-lipped with divided lips, or more or less equally 4-5-toothed. 372 372. Calyx 2-lipped, the upper lip hooded, notched, equalling the standard, the lower lip divided into 3 narrow teeth. Corolla yellow. Ovary sessile. Ovules 5-7. Flowers in panicles. Bracteoles large, persistent. (See 367.) =Platysepalum= Welw. Calyx obscurely 2-lipped, with a not very large upper lip, or equally 4-5-toothed, or almost entire. 373 373. Fruit dehiscing by two valves. 374 Fruit indehiscent. Ovules 2-6. 375 374. Leaflets alternate, gland-dotted on the lower face. Petals gland-dotted. Ovary long-stalked. Ovules 3-4. Fruit woody, turgid.--Species 2. Central Africa. =Schefflerodendron= Harms [Illustration: LEGUMINOSAE. _FLOW. PL. AFR._ _Pl. 67._ J. Fleischmann del. Bauhinia macrantha Oliv.