108 



Bulletin 194 



Chestnut 



-^7'/^ 



(Mich. Trees). 



1. Winter twig, x 1. 



2. Leaf, x V2. 



3. Flowering branchlet, x ^o. 



4. Staminate flower, enlarged. 



5. Pistillate flower, enlarged. 

 G. Prickly bur, opened, x V^- 

 7. Nut, X Vj^ 



