155. Keel beaked. Corolla yellowish-green, shorter than the calyx. Ovule 1. Flowers in small terminal heads.--Species 1. South Africa (Cape Colony). =Lathriogyne= Eckl. & Zeyh. Keel blunt. Corolla red or white, longer than the calyx.--Species 10. South Africa. =Amphithalea= Eckl. & Zeyh. 156. Corolla blue, red, or white. Ovule 1. Leaves unifoliolate or digitate, stipulate. (See 153.) =Psoralea= L. Corolla yellow. Ovules 2 or more. Leaves simple, exstipulate. 157 157. Calyx-lobes very unequal, the lowest very large and petaloid. Standard ovate or oblong; wings oblong. Inflorescence surrounded by large bracts.--Species 4. South Africa. =Liparia= L. Calyx-lobes about equal. Standard suborbicular; wings obovate. Bracts not very large.--Species 15. South Africa. =Priestleya= DC. 158. (149.) Filaments united into a sheath which is slit above. 159 Filaments united into a tube which is closed all round. 180 159. Style bearded or ciliate on the inside towards the apex. 160 Style glabrous inside. 161 160. Fruit flat, oblong or ovate, stalked, downy, 2-seeded. Shrubs. Leaves trifoliolate.--Species 1. Island of Socotra. =Priotropis= Wight & Arn. Fruit turgid.--Species 220. Tropical and South Africa and Egypt. Some yield fibres, dyes, vegetables, and medicaments, or serve as ornamental plants. =Crotalaria= L. 161. Ovule 1. 162 Ovules 2 or more. 163 162. Leaves stipulate. Flowers ebracteolate, blue, pink or white. Keel incurved. Fruit indehiscent. Seeds without an outgrowth at the hilum, adhering to the pericarp. Gland-dotted plants. (See 153.) =Psoralea= L. Leaves exstipulate. Flowers bracteolate, red, yellow or white. Keel almost straight, gibbous at each side. Fruit dehiscing by two valves. Seeds with an outgrowth at the hilum. Silky-hairy shrubs. Leaves simple, sessile. Flowers usually in pairs in the axils of the leaves.--Species 8. South Africa. =Coelidium= Vog. 163. Leaves simple and undivided or unifoliolate, usually exstipulate. 164 Leaves digitate, with 3, rarely 5-7 leaflets, usually stipulate. 171 164. Calyx-lobes distinctly unequal, the 1-3 lowest usually narrower than the rest. 165 Calyx-lobes about equal. 169 165. Petals adnate at the base to the staminal tube, yellow; wings auricled at the base; keel with a blunt spur at each side. Ovules 2. Shrubs clothed with long hairs. Leaves stalked, linear. Flowers axillary. Bracteoles leaf-like.--Species 1. South Africa (Cape Colony). =Walpersia= Harv. Petals free from the staminal tube. 166 166. Petals red, long-clawed, glabrous. Fruit ovate, turgid. Prostrate undershrubs clothed with long reddish-brown hairs. Leaves imbricate sessile, lanceolate. Flowers in short racemes.--Species 1. South Africa (Cape Colony). =Euchlora= Eckl. & Zeyh. Petals yellow, rarely white or red, but then short-clawed and leaves fascicled. 167 167. Leaves in tufts of 3 or more, usually thread-shaped.--Species 150. South Africa. =Aspalathus= L.