105. LEGUMIXOSAE 28l 



308. Style bearded abov^e. Upper calyx-teeth almost entirely united. Wings 

 adhering to the shorter and pointed keel. Fruit not jointed. Bractco- 



les persistent. (See 274.) Ciitoria L. 



Style glabrous 309 



30g. Fruit separating into joints, when ripe. Flowers usually small. Wings 



adhering to the keel. (See 231.) Desmodium Dcsv. 



Fruit not jointed. Flowers large. Wings much shorter than the standard, 

 sometimes wanting. Ovary stalked. — Species 20. Tropical and 

 South Africa. Several species yield wood, vegetables, and medicaments, 

 or serve as ornamental plants Erythrina L. 



310. (264.) Uppermost stamen united with the others from the base. . . 311 

 Uppermost stamen free from the others, at least at the base. . . . 314 



311. Ovule I. Fruit ovate, not jointed, indehiscent. Gland-dotted plants. 



Bracteoles absent. (See 153.) Psoralea L. 



Ovules 2 or more. Fruit linear or oblong, dehiscent or separating into 

 joints. 312 



312. Staminal tube split. Ovary sessile. Fruit breaking up into several 



joints. vShrubs. Bracteoles persistent. (See 242.) 



Ormocarpum Beauv. 



Staminal tube closed. Fruit not jointed, opening by two valves. Herbs 



or undershrubs. Bracteoles absent 313 



313. Connective of the stamens ending in a small point. Ovary sessile. • Cor- 



olla red ; keel blunt. Fruit slightly 4-angled, transversely septate. 

 Stipules bristle-like. Flowers small, in racemes, without bracteoles. 



— Species 2. Central Africa Cyamopsis DC. 



Connective without an appendage. Ovary stalked. Cal^'x deeply 

 divided. Standard suborbicular. Leaflets minutely toothed. Stip- 

 ules adnate to the leaf-stalk. (See 129.) Ononis L. 



314. Bracteoles present. Calyx-teeth subequal. Wings short. Ovary 



stalked. Ovules few 315 



Bracteoles absent. 316 



315. Keel beaked. Standard clawed, auricled. Uppermost stamen free. 



Fruit opening by two valves. Seeds subglobular. Twining shrubs. 

 Rachis of the raceme thickened at the insertion of the pedicels. (See 



306.) Strongylodon Vog. 



Keel not beaked. Standard scarcely clawed. Uppermost stamen at 

 first united with the others in the middle. Fruit breaking uj) into 

 several joints. Seeds reniform. Erect undershrubs. (See 231.) 



Taverniera DC. 



316. Petals, at least the lower ones, adnate to the staminal tube. Herbs. 



Leaflets usually toothed. Flowers solitary or in spikes, heads, or 



umbels. (See 138.) Trifolium L. 



Petals free from the staminal tube 3^7 



317. Connective of the stamens produced into a gland, a point, or a tuft of 



hairs. Keel straight or slightly curved inwards, gibbous or spurred on 



