American Chestnut 





a. Winter twig, x 1. 



b. Leaf, x i/4. 



c. Flowering branchlet, x i/g. 



d. Staminate flower, enlarged. 



e. Pistillate flower, enlarged. 



f. Prickly bur, opened, x i/^. 

 (^'•^^ I g- Nut, X 1/2. 



[168] 



