105. LEGUMINOSAE 2Ö3 



155. Keel beaked. Corolla yellowish-green, shorter than the calyx. Ovule 



I. Flowers in small terminal heads. — Species i. South Africa (Cape 



Colony) Lathriogyne Eckl. & Zeyh. 



Keel blunt. Corolla red cr white, longer than the calyx. — Species lo. 

 South Africa Amphithalea Eckl. & Zeyh. 



156. Corolla blue, red, or white. Ovule i. Leaves imifoliolate 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 i. 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 orna- 

 mental plants Crotalaria L. 



161. Ovule I. 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 i — 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 i. South Africa (Cape Colony). 



Walpersia Harv. 

 Petals free from the staminal tube 106 



