398 



MANUAL OF POISONOUS PLANTS 



Fig. 179. Pistillate and stam- 

 inate flower of willow. «. 

 aectar gland, b. scale. 



Fig. 180. Leaves of Cotton- 

 wood (Populus deltoides). A 

 well known native tree growing 

 On the borders of streams 

 throughout the U. S. east of 

 the Rockies. (W. S. Dudgeon.) 



Fig. 180a. Sweet Gale (.Nmrica). 

 Common in the east. 



