XLVII. § PAPILIONACEJE (BAKER). 3 



Leaflets numerous 28. Astragalus. 



Calyx-teeth very short 25. Sesbania 



Tribe 5. Hedysarese. — Stamens monadelphous or diadelphous ; anthers dimor- 

 phous or uniform. Pod articulated {except in Pseudarthria) . Herbs or shrubs, 

 usually erect, with imparipinnate or exceptionally abruptly pinnate leaves. 

 Leaves without stipellae. 

 Stamens diadelphous. 



Filaments dilated upwards. 



Pod echinate ; leaves simple 30. Scorpiurus. 



Pod smooth; leaves pinnate . , 31. Ornithopus. 



Filaments filiform. 



Pod compressed laterally. 



Leaflets numerous; pod one-jointed 33. Onobrychis. 



Leaflets 1-3; pod 2-3-jointed . 31. Taverniera. 



Pod terete 34. Alhagi. 



Stamens monadelphous. 



Leaflets four, opposite . - 41. Arachib. 



Leaflets three . 40. Stylosanthes. 



Leaflets two or 4 digitate 42. Zornia. 



Stamens diadelphous (in two sets of five each). 

 Calyx bilabiate. 



Pod much exserted 37. jEschynomene. 



Pod not exserted. 



Bracteoles minute 38. Smithia. 



Bracteoles very large 39. Geissapsis. 



Calyx five-toothed. 



Pod straight 3$. Ormocarpum. 



Pod circinate 36. Herminiera. 



Leaves stipellate. 



Pod not articulated 44. Pseudarthria. 



Pod articulated. 



Pod bent back, included in the calyx 45. Uraria. 



Pod compressed, straight ; calyx herbaceous 43. Desmodium. 



Pod subterete, straight ; calyx glumaceous 46. Alysicarpus. 



Tribe 6. Viciese. — Stamens usually diadelphous. Anthers uniform. Pod two- 

 valved, not articulated. Scandent herbs {rarely shrubs) with abruptly pinnate leaves 

 ending in a tendril or bristle. Leaflets entire, or in Cicer dentate. 

 Herbs with 10 stamens. 



Leaflets dentate 47. Cicer. 



Leaflets entire. 



Tube of stamens oblique at the mouth 48. Vicia. 



Tube of stamens truncate at the mouth 49. Lathyrus. 



Shrubs with 9 stamens 50. Abrus. 



Tribe 7. Phaseoleae. — Stamens diadelphous or monadelphous. Anthers usually 

 uniform. Pod two-valved, not articulated. Scandent, rarely erect, herbs with pinnately 

 trifoliolate leaves. 



Style bearded or penicillate at the apex. 

 Keel twisted spirally. 



Style hooded at the apex 62. Physostigma. 



Style not hooded .63- Phaseolus. 



Keel not spiral. 

 Stigma oblique. 

 Pod many-seeded, not hypogaean. 



Pod subterete 64. Vigna. 



Pod marked with external transverse lines between 



the seeds 66. Pachyrhizus. 



