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



ec 90 90 90 



12 3 4 



99 C^§ Of €® 



8 



§€ 6(1 M f 



10 II 



00 90 £0 00 



13 14 15 16 



91 00 01 19 



17 18 19 20 



e^ ee 



21 22 23 24 



25 26 27 28 



Side and Ventral Views of Ripe Seeds. 



(Natural size.) 



