286 105- LEGUMINOSAE 



347- {53^-) 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 distinctl}- \vinged, 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. {Degitelia Aubl., 



including Leplodenis 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 i — 2. Fruit 

 thick-leathery, crescent-shaped, not winged. Seed i, kidney-shaped. 

 Small spiny trees. — Species i. West Africa. Drepanocarpus G. F. Mey. 

 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 



