Fam. 43. PAPILIONACEjE. 



Trees, shrubs or herbs with simple, l-foliolate or compound 

 leaves and strongly zygomorphic flowers. Calyx equally or 

 usually unequally lobed, often 2-lipped, usually somewhat 

 perigynous. Petals 5, imbricate, posterior (uppermost, stand- 

 ard) exterior in bud ; 2 lateral (wings) more or less declinate 

 free or adhering to the keel ; 2 lowest usually more or less 

 connate into a keel with an up-curved tip. St, rarely some- 

 what adherent to the petals, on the disc lining the very short 

 hypanthium, monodelphous, or diadelphous (5 + 5 or 9 + 1), 

 or the I Oth absent, very rarely all free (Sophora) ; alt. ones 

 sometimes shorter or reduced to staminodes. Ovary as in 

 Mimosaceaa. Pod very varions, sometimes coiled up and 

 included in the calyx, or of 1-seeded joints, etc. 



I. L. simple or digitately 3-foliolate.* Pod dehiscent 

 turgid, not septate. 



Herbs or shrubs. St. monodelphous . . 1. Crotalaria. 



Shrubs or undershrubs, usually gland-dotted. 



St. 2-adelphous . - 2. Flemingia. 



II. L. pinnately 3-foliolate gland-dotted. Pod turgid 



1-2-seeded. Climbers . . . . . .'3. RhyncJuwia. 



III. L. pinnately 3-foliolate gland-dotted (exc. Atylosia 



sp.). St. 2-adelphous. Pod with depressed lines 

 between the seeds, 2-6-seeded. 



Twiners. Seed with a large grooved strophiole « 4. Atylosia. 



Erect, cultivated. Seeds without a strophiole . 5. Gajanus. 



IV. L. pinnately 3-foliolate, not gland-dotted. Pod 



dehiscent throughout, rarely with depressed lines 

 (Pueraria) or- septate (Teramnus, Glycine, 

 Phaseolus, Vigna). 



A. Climbers (except Erythrina and Glycine sp.) 

 Style beardless. 



1. Nodes of inflorescence Dot tumid. St 2-adel- 

 phoos (exc. Teramnus). 



Petals little-exserted. St. 1-adelphoua . 6. Teramnvs. 



As in Teramnus, but sub-erect and st. 2- 

 1-adelphous. Cultivated . . .7. Glycine. 



# Barely 5-f oliolate in Crotalaria. 



