Bui. 109, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate II. 



M M M •• 



(i fi m a.o 



•0 00 90 Of 



9 10 II 12 



•• 00 



,7 18 19 20 



09 99 90 19 



25 26 27 28 



Side and Ventral Views of Ripe Seeds. 



(Natural size.) 



