Sugar Maple. Hard Maple. Bock Maple 



1. Winter twig, x 2. 



2. Portion of twig, enlarged. 



3. Leaf, x Y-2. 



4. Staminate flowering branchlet, x 



5. Staminate flower, enlarged. 



6. Pistillate flowering 'branchlet, x 



7. Pistillate flower, enlarged. 



8. 'Fruit, x i. 



180 



