Bui. 107, Bureau of Plant Industry, U, S. Dept. of Agriculture. 



Plate III. 



Fig. 1.— Large Yellow Lady's-Slipper 

 (Cypripedium hirsutumi. 



Fig. 2.— Canada Snakeroot iAsarum 



CANADENSEi. 



Fig. 3.— Virginia Serpentaria Aristo- 



LOCHIA SERPENTARIA'. 



Fig. 4.— Soapwort Saponaria 



officinalis:. 



