345. Fruit breaking up into joints, flat. Wings clawed, auricled, shorter than the scarcely clawed standard. Flowers in axillary racemes, with bristle-like bracteoles.--Species 12. North Africa. Some are used as fodder-or ornamental plants. =Hedysarum= L. Fruit not jointed, usually septate lengthwise. 316 346. Fruit sessile, linear, flat, longitudinally 2-celled, indehiscent, the valves boat-shaped with a wavy and toothed keel. Hairy herbs. Leaflets emarginate. Stipules adnate to the leafstalk. Flowers in axillary spikes or fascicles, bluish or whitish.--Species 1. North Africa and Abyssinia. =Biserrula= L. Fruit not flat and with wavy and toothed valves, tardily dehiscent. (See 219.) =Astragalus= L. 347. (330.) Uppermost stamen united with the others from the base into a tube usually split in one or two places, rarely (_Dalbergia_) wanting. 348 Uppermost stamen free from the others, at least at the base. 354 348. Fruit breaking up into two or more joints, very rarely reduced to a single ovate, not winged joint. Calyx usually two-lipped. Corolla yellow or white, sometimes with red stripes or veins. Standard suborbicular. Erect shrubs. 349 Fruit not jointed, indehiscent, more or less distinctly winged, rarely not winged but curved. Ovules few. Trees or climbing, very rarely erect shrubs. 351 349. Fruit enclosed by the enlarged calyx, folded, jointed. Seeds 2 or more, reniform or orbicular, flat. Calyx two-lipped. Racemes short. Bracteoles persistent. (See 208.) =Smithia= Ait. Fruit much exceeding the calyx. 350 350. Joints of the fruit 2 or more, oblong, usually striate. Ovary sessile, with several or many ovules. Racemes few-flowered. Bracteoles persistent. (See 242.) =Ormocarpum= Beauv. Joints of the fruit quadrate to semiorbicular, not striate. Ovary usually stalked. (See 209.) =Aeschynomene= L. 351. Staminal tube closed all round. Calyx subtruncate, very shortly or obscurely toothed. Wings adhering to the keel. Leaflets opposite--Species 15. Tropics. Some are poisonous. (_Deguelia_ Aubl., including _Leptoderris_ Dunn) =Derris= Lour. Staminal tube split in one or two places. Leaflets usually alternate. 352 352. Anthers attached by the base, with erect cells opening by a short apical slit, or with divergent cells opening lengthwise. Calyx-lobes unequal. Ovary stalked. Seeds kidney-shaped. Flowers in copious panicles composed of cymes. (See 242.) =Dalbergia= L. f. Anthers attached by the back, opening by parallel longitudinal slits. Fruit more or less oblique or curved. 353 353. Bracteoles persistent. Calyx bell-shaped, obtuse at base. Corolla violet; standard silky outside. Ovary stalked. Ovules 1-2. Fruit thick-leathery, crescent-shaped, not winged. Seed 1, kidney-shaped. Small spiny trees.--Species 1. West Africa. =Drepanocarpus= G. F. Mey.