KEY TO GENERA AND SPECIES 81 



CHESTNUT. Leaves long, with a bristle tipped 

 tooth at the end of each side vein. Fruit a 

 bur, an inch or more thick, usually con- 

 taining from i to 3 pointed nuts. 



125. Nut usually \ to f of an inch broad, and 

 / with 2 or 3 in a bur. Leaves smooth. 



Southwestern Me. southward and 

 westward. (Figs. 146, 147.) Amer- 

 ican Chestnut, Chestnut, Castanea 

 dentata (Marsh.) Borkh. 



Fig. 146. Ameri- 

 can Chestnut. 



Fig. 147. American Chestnut. 



125. Nut usually less than | inch broad, and 

 solitary in the bur. Leaves downy-hairy 

 beneath. Usually a shrub. N. J. south- 

 ward and westward. (Fig. 148.) Chinqua- 

 pin, Dwarf Chestnut, Castanea pumila (L.) 

 Mill. ' 



125. Nut usually more than | of an inch broad. 

 Cult. (The leaves of this species are shaped 



