172 



Bulletin 194 



White Maple. Silver Maple 



(Mich. Trees). 



1. Winter twig, x 1. 



2. Portion of twig, enlarged. 



3. Leaf, x %. 



4. Staminate flowering branchlet, x 1. 



5. Staminate flower, enlarged. 



G. Pistillate flowering branchlet, x 1. 



7. Pistillate flower, enlarged. 



8. Fruit, X i/o. 



