D 



FIG. 92. Broad -Leaved Trees with Simple, Alternate, Tooth -Edged Leaves 



A, beech; B, chestnut; C, birch: the little cones fall to pieces when ripe; D, 

 poplar: the fruit borne on catkins. (A, C, and D from Britton and Brown's 

 "Illustrated Flora of the United States and Canada." B. from Schwartz' 

 " Forstliche Botanik ") 



24o 



