THE GENERAL, CHARACTERS OF SEEDS 455 



Common Vetch {Vicia satwa L.). 



Pod linear, several-seeded ; "seeds nearly spherical or compressed 

 on the sides, variable, blackish to brownish. 



Pio. 312. Common Vetch (.Ticia sativa). 

 _ (After Hillman, Circular U. S. Dept. Agr.) 



Hairy Vetch {Vicia viUosa Roth.). 

 Seeds spherical to subspherical ; one-tenth to one-sixth in. in diam- 

 eter; bla;6tish or brownish, surface smooth; scar elongated, repre- 





Fig. 313. Hairy Vetch (Ticia villosa'). 

 (Hllhnan, U. S. Dept. of Agriculture.) 



sented by a narrow line slightly elevated, with depressed center, 

 light in color, brownish to straw-colored. 



Trailing "Wild Bean {Strophostyles helvola (L.) Britton). .■ 



Pod terete, 5-7.5 cm. long, nearly glabrous, 4-8-seeded, dark 

 brown; seed eylindrioal, rounded, truncate at both ends; length 

 6 mm., width 4.5 mm.; color dull brown slightly mottled; narrow 

 white sear along inner angle, nearly the entire length of the seed; 

 seed strongly angled longitudinally on side opposite scar. 



Fig. 314. Wild Bean (Strophostyles liejvola). 

 (Drawing by L. R. Collins.) 



