Sugar Maple 



a. Winter twig, x I1/2. 



b. Leaf, X V^. 



c. Staminate flowering branchlet, x I/2. 



d. Pistillate flowering branchlet, x i/o. 



e. Fruit, x 1. 



Black Maple 



a. Winter twig, x I1/2. 



b. Leaf, x i/^. 



c. Fruit, X 1. 



[296] 



