Vi6 



Bulletin 194 



Quercitron, Yellow-barked Oak. Black Oak 



(Mich. Trees). 



1. "Winter twig, x 1. 



2. Leaf, x i/o. 



3. Flowering branchlet, x %. 



4. Staminate flower, enlarged. 



5. Pistillate flower, enlarged. 



6. Fruit, x 1. 



