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



Plate I. 



oc 90 90 90 



I 2 3 4 



99 §9 99 



5 6 7 8 



§£ §§ C . f t 



9 10 II *2 



Oft 60 &» M 



13 14 IB 16 



•I M 81 66 



17 18 19 20 



eft Oft 06 09 



2, 22 23 24 



96 10 10 00 



25 26 27 28 



Side and Ventral Views of Ripe Seeds. 



(Natural size.) 



