105. LEGUMINOSAE 285 



Africa and Abyssinia. Sainfoin (0. saliva Lam.) is ciiltix'ated in 

 various regions for fodder, sometimes also as a medicinal or ornamental 

 plant Onobrychis Gaertn. 



339. Style bearded lengthwise towards the top. Fruit 2-valved. . . . 340 

 Style glabrous above or penicillate round the stigma 343 



340. Style thread-shaped, bearded on the outside or all round. Calyx-teeth 



subequal. Petals red or white, clawed ; standard exceeding the 

 wings and the keel. Seeds kidney-shaped, with a filiform ftmicle. 

 Flowers in racemes. ■ — Species 40. South Africa to Angola. Soniu are 



used medicinally. {Coluieastrum Heist.) Lessertia DC. 



Style flattened, bearded on the inner side 341 



341. Calyx-teeth unequal, the two upper ones united high up. Corolla blue 



or white. Seeds without an outgrowth at the hilum. Leaflets usually 



stipellate. Bracteoles persistent. (See 274.) . . . Clitoria L. 



Calyx-teeth about equal. Seeds with a small aril covering the hilum. 



Leaflets not stipellate. Bracteoles rudimentary or wanting . . 342 



342. Staminal tube obliquely truncate. Keel somewhat pointed. Ovary 



almost sessile. Ovules 2. Aril ovate or oblong. Flowers small, 



bluish-white. (See 212.) Lens Gren. & Godr. 



Staminal tube evenly truncate. Keel shorter than the wings, usually 

 blunt. Ovules 3 or more. Aril usually linear. (See 128.) 



Lathyrus L. 



343. Connective of the stamens bearing a gland, a point, or a tuft of hairs. 



Fruit transversely septate, 2-valved. Plants with appressed hairs 



fixed by the middle. (See 215.) Indigofera L. 



Connective without an appendage. Hairs rarely fixed by the middle . 344 



344. Leaflets stipellate, 5 — 7. Flowers in terminal racemes, without bracteoles. 



Fruit jointed, enclosed by the calyx ; joints ovate, slightly flattened. 

 — Species i. Central Africa. Used as an ornamental and medicinal 



plant Uraria Desv. 



Leaflets not stipellate. Fruit jointed, with orbicular or quadrate flattened 

 joints, or not jointed 345 



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 3^6 



346. Fruit sessile, Hnear, flat, longitudinally 2-celled, indehiscent, the valves 



boat-shaped with a wavy and toothed keel. Hair\' herbs. Leaflets 

 emarginate. Stipules adnate to the leafstalk. Flowers in axillary 

 spikes or fascicles, bluish or whitish. — Species i. North Africa and 



Abyssinia Biserrula L. 



Fruit not flat and with wavy and toothed valves, tardily dehiscent. 

 (See 219.) Astragalus L. 



