& CLASS VII. ORDERS V. VIII. 



Crotolaria. Corol with the banner cordate, large; 

 keel acuminate : filaments connate, with a dorsal fissure ; 

 style curved : legume pedicelled, turgid. 



B. Stamens in 2 sets ; generally 9 in one set, and I alone 



1. Legume many-seeded, stigma pubescent 



Pisum. Calyx with the divisions leaf-like, about equal : 

 banner protruding 2 folds : style compressed, carinate, 

 villose above : legume without down at the suture. 



Lathyrus. Calyx with the two upper divisions shorter : 

 style flat, villose above, broader towards the top. 



Vida. Calyx emarginate above, 2-toothed ; 3 strait 

 long teeth below : banner emarginate : stigma bearded a 

 short space on the lower side. 



Phaseolus. Keel, stamens and style spirally twisted 

 together. 



Uobinia- Calyx 4-cleft, upper division 2-parted : 

 banner large, reflexed, roundish : legume gibbous, elon- 

 gated. 



2. Legume many-seeded, stigma without hairs. 

 Glycine. Calyx 2-lipped, the tooth of the lower lip 

 longest : the end" of the keel curling upwards, and in ap- 

 pearance pushing back the banner : style incurved with 

 the keel : legume oblong, compressed. 



Galega. Calyx with subulate teeth nearly equal : 

 legume toralose, teretish. 



3. Legumes few-seeded. 



Medicago* The keel deflected from the direction of 

 the banner ; legume compressed, cochleate. 

 4. Legumes about 1 -seeded- 



Tnfolium. Flowers sub-capitate : legume included in 

 the calyx, not opening by valves, 1 to 4-seeded. 



Melilotus. Flowers racemed : calyx tubular, 5-tooth- 

 ed : keel simple, shorter than the wings and banner : le- 

 gume rugose, longer than the calyx. 



Lespedeza. Calyx 5-parted, divisions nearly equal : 

 keel of the corol transversely obtuse : legume lens-form$ 

 unarmed, 1 -seeded. 



5. Legumes jointed) or in loments. 

 L Hedysarum. Calyx 5-cleft : keeLof corol transversely 



