105- LEGUMINOSAE 259 



122. Calyx shortly toothed or entire. Stigma terminal. Fruit almost terete, 



constricted between the seeds. 123 



Calyx deeply cleft. Fruit flat 124 



123. Stalk of the ovary obliquely adnate to the curved receptacle (calyx-tube). 



Standard suborbicular, slightly exceeding the other petals. Filaments 

 free. Flowers in racemes arising from the old wood. — Species 5. 



Central Africa Angylocalyx Taub. 



Stalk of the ovary not adnate to the receptacle. Style curved at the 

 apex. Flowers in terminal racemes or panicles. (See 120.) Sophora L. 



124. Ovule I. Stigma terminal. Flowers in racemes. Leaflets 5—7. — 



Species i. East Africa. Platycelephium Harms 



Ovules 2 or more. Leaflets 7 — 13 125 



125. Stigma terminal. Corolla blue. Flowers in racemes. Leaflets curved 



and pointed. — Species i. South Africa. . . Bolusanthus Harms 



Stigma lateral. Corolla red or green. Flowers in panicles. — Species 2. 



West Africa. They yield timber Afrormosia Harms 



126. (104.) Filaments all, or the alternate ones, broadened at the apex. [Es- 



pecially tribe LOTEAE.] 127 



Filaments not broadened at the apex 147 



127. Filaments monadelphous, i.e., all united into a tube or sheath, at least 



when young. 128 



Filaments diadelphous, i.e., united into a sheath, excepting one, which is 

 free from the others, at least at the base, but sometimes connate with 

 them in the middle or slightly cohering with them at the very base . 131 



128. Leaves equally pinnate or reduced to the broadened stalk, usually ending 



in a tendril or bristle. Stipules large, leaf-like. Flowers solitary or in 

 racemes, without bracteoles. Petals short-clawed. Anthers all alike. 

 Ovary more or less distinctly stalked. Style-apex bearded on the inner 

 face. Fruit opening by two valves. Herbs. — Species 35. North 

 Africa and the mountams of the tropics. Several species yield edible 

 tubers or seeds, vegetables, fodder, medicaments, or perfumes : some 

 are poisonous or used as ornamental plants. (Includmg Orobus L.) 



Lathyrus L. 

 Leaves unequally pinnate, digitate, or unifoliolate. Style glabrous . 129 



129. Leaflets minutely toothed, i or 3, very rarely more. Stipules adnate 



to the leaf-stalk. Flowers solitary or in racemes. Calyx-lobes long, 

 subequal. Petals short-clawed Anthers usually of two kinds. Ovary 

 more or less distinctly stalked Fruit dehiscing by two valves. — 

 Species 60. North Africa and Abyssinia. Some are used as vegetables 



or in medicine Ononis L. 



Leaflets entire. Stipules small or wanting. Flowers in heads or umbels, 

 sometimes almost solitary. Petals long-clawed. Anthers all alike. 



Fruit not or tardily dehiscing 130 



T30. Ovary sessile. Ovules 2. Fruit protruding beyond the calyx, linear, 

 shortly or not beaked, slightly 4-angled, spirally coiled. Silky herbs. 



