396 FABACEAE 



Leaves tendril-bearing or if not, odd pinnate. 

 Leaves tendril-bearing, even pinnate. 



Style slender, with a tuft of hairs at the summit. 18. Vicia. 

 Style flattened, bearded along the inner side. 19. Lathyrus. 



Leaves not tendril-bearing, odd-pinnate; herbaceous 

 vines. 

 Style bearded along the inner side. 



Rachis not thickened at the insertion of the 



flowers. 20. Clitoria. 



Rachis thickened at the insertion of the flowers. 



Flowers purple, capitate. 21. Strophostyles. 



Flowers racemose. 22. Phaseolus. 



Style glabrous or slightly pubescent below. 



Standard spurred at the base, flowers violet. 23. Bradburya. 

 Standard not spurred. 



Leaves odd-pinnate; leaflets 5-7. 24. Glycine. 



Leaves 3-foliolate, rarely i-foliolate. 



Calyx short, bracteolate. 25. Galactia. 



Calyx tubular, not bracteolate. 26. Falcata. 



i. Baptisia Vent. 



1. B. tinctoria (L.) R. Br. In dry soil: Me. to S. Ont., Minn., 

 Fla. and La. 



Common throughout the coastal part of the range, always de- 

 creasing inland, but locally common in sandy places northward. 



2. Crotolaria L. 



1. C. sagittalis L. In dry open places: northern N. Eng. to 

 Fla., S. Dak., Ark. and Mex. 

 Throughout the range, local northward. 



3. Lupinus [Tourn.] L. 



1. L. perennis L. In dry sandy soil: Me. and Ont. to Minn., 

 Fla., Mo. and La. 



Throughout the range in edaphically favorable places, local 

 northward, common on the coastal plain.* 



4. Cytisus [Tourn.] L. 



1. C. scoparius (L.) Link. In waste places: N. S. to Va. 

 Naturalized from Europe. 



Rather rare as a naturalized plant. 

 * See Introduction paragraph 50. 



