5 P^llse ( Leguminbsce). [No. 7 



Found, in cultivated fields and in waste ground from New 

 England southward and westward. 



A somewhat downy vine, two to three feet long, with a 

 simple herbaceous stem. Introduced from Europe. 



The Narrow-Leaved Vetch [var. angustifblia, Sen] 

 has the leaflets somewhat longer than in the type, and 

 narrow. 



Fig. 28. Four-Seeded Slender Vetch. \V. tetraspe'rma, Z.] 



This species differs from the preceding (V. sativa, L.) 

 chiefly in these items : 



Flowers, very small, whitish. Cluster-stems, very slender, 

 in flower shorter than the leaves, in fruit longer than 

 the leaves. 



Leaflets, (four to six pairs, sometimes three), one half 

 to five sixths inch long, by one twelfth inch wide. 

 July. 



Pod, one third to one half inch long. Seeds, four. 

 Found, near the coast from Nova Scotia to New Jersey. 



Delicate vines with very slender, almost thread-like 

 stems one to two feet long. 



Resembling Fig. 27. Hairy Vetch. V. hirsbta, Koch. 



This specie differs from the Common Vetch (V. sativa, 

 L.) chiefly in these items : 



Flowers, small in clusters of three to six blossoms. 

 Corolla, bluish-white. Cluster-stems, about the length 

 of the leaves. Calyx, with the teeth equal. June. 



