44 Pulse (Leguminbscz). [No. 7 



Fig. 20. — Various-Leaved Kidney- Bean. P. hdvolus, L. P. 

 diver sif bliiis. P. Strophostyles angulbsa, Ell. 



Flowers, stemless, in clusters of four to seven blossoms at 

 the ends of the cluster-stems. Cluster-stems, four to 

 eight inches long. Corolla, greenish-white and pur- 

 ple, the standard large and rounded. Calyx, with two 

 bracts beneath. August, September. 



Leaflets, three, one half to one and two thirds inches long 

 (oftenest about one inch), from egg-shape to narrow 

 oblong ; commonly more or less three-lobed. 



Pod, straight, or nearly so, and nearly cylindrical, two to 

 three inches long, one quarter inch wide, nearly 

 smooth. Seeds, four to eight, one quarter inch long, 

 oblong, usually very downy. A legume. 



Found, on and near sandy shores and river banks, along 

 the coast from Massachusetts southward, and from 

 the Great Lakes to Kansas and Texas. 



A branching, herbaceous vine, twining or prostrate 

 (usually spreading on the ground), one to six feet long. 



Fig. 21. — Umbelled Kidney-Bean. P. umbdlatus (Muhl.), Britton. 

 S. pednncularis, Ell. 



Flowers, stemless, in few-blossomed clusters. 



Leaflets, three, usually about one inch in length, egg-shape 

 to narrow-oblong, seldom lobed. 



Pod, one and a half to two inches long, scarcely one sixth 

 inch wide, straight or nearly so. Seeds, one sixth 

 inch long or less. A legume. 



