CATALOGUE. 85 



** Leaves unequally pinnate; stipules small or uoue: pod turgid, mostly iudcbiscent 

 and few-seeded. 

 Sophora. Perennial herb. Flowers white, racemose. Pod terete, mouili- 



form, few-seeded. 

 AMORrHA. Shrub, glandular-dotted. Flowers purple, racemose; wings and 



keel wanting: stamens monadelphous at base. Pod 1-2-seeded. 

 Parryella. Glandular shrub. Flowers spicate : petals none. Pod 1-seeded. 

 II. Stamens monadelphous or diadelphous. 



* Authersof two forms: stamens monadelphous: leaves digitate, of 3 or more entire 

 leaflets: pods dehiscent. Herbs or shrubby, not glandular-dotted noi 

 climbing. 

 Crotajlaria. Calyx 5-lobed. Pod inflated. Leaflets 3. 

 Lupinus. Calyx 2-lipped. Pod flattened. Leaflets 5 or more. 

 ** Anthers mostly uniform. Not climbing. 



t Leaflets 3 (rarely digitately 5 or 7), toothed : stamens diadelphous: pods small 

 and mostly included in the calyx (strongly coiled in Melilotus). 

 Medicago. Flowers in long axillary racemes or spikes; petals free, decidu 



ous. Style filiform. Pod small, wrinkled. 

 Melilotus. Flowers as in Medicago. Style subulate. 



Trifolium. Flowers capitate ; petals persistent, united with the filaments, 

 tt Leaves pinnately 3-many-foliolate (very rarely digitate or simple in EosacMa); 

 leaflets entire : pod not articulated. 

 | Flowers umbellate or solitary, on axillary peduncles: stamens diadelphous: 

 herbage not glandular-punctate. 

 Hosackia. Herbaceous or shrubby. Petals yellow or yellowish, turning 

 brownish ; claw of the standard remote from the rest. 

 If Flowers spicate or racemose: stamens diadelphous: herbs not glandular- 

 punctate (except in Glycyrrhiza) : pod dehiscent. 

 Tephrosia. Peduncles terminal. Standard hairy. Pod flat, 1-celled. 

 Indigofera. Peduncles axillary. Standard hairy. Pod linear, terete, 



2 celled. Connective of the anthers gland-tipped. 

 Astragalus. Peduncles axillary. Standard naked ; beak of the keel not 

 erect or recurved. Pod often bladdery or turgid, 1-celled, or more or less 

 2-celled by the intrusion of the dorsal suture. 

 Oxytropis. Like Astragalus, but the keel with an erect or recurved beak, 



and pod partially 2-celled by intrusion of only the ventral suture. 

 Glycyrehiza. Like Astragalus, but anthers confluently 1 celled, pod armed 

 with prickles and 1-celled, and leaves more or less glandular and punc- 

 tate. 

 ${{ Flowers spicate or racemose: stamens mostly monadelphous or distinct: 

 pods iudehisceut, small and few seeded. Herbs or shrubs, mostly glandu- 

 lar punctate. 



