KEY TO GENERA AND SPECIES in 



161. Flowers generally more than 7 in a cluster 

 162. 



Fig. 210. Cock- 

 spur Thorn. 



Fig. 211. Crataegus 

 pruinosa. 



162. Leaves broadest above the middle. Western 

 New England southward and westward. 

 Also cult. (Fig. 210.) Cock-spur Thorn, 

 Red Haw, Newcastle Thorn, Thorn Plum, 

 Crataegus Crus-galli L. 



162. Leaves broadest at the middle or below 163. 



163. Mature leaves smooth 164. 



163. Mature leaves hairy, at least along the veins 



beneath 168. 



164. Leaves broadest at the middle. Vt. Crataegus 



Oakesiana Eggl. 



164. Leaves broadest towards the base 165. 



165. Fruit firm when ripe. Leaves bluish green. 



Western New England southward and 



