190 



Bulletin 194 



Greeu Asli 



(Mich. Trees). 



1. Winter twig, x 1. 



2. Leaf, x %■ 



3. Staminate flowering branclilet, x %■ 



4. Staminate flower, enlarged. 



5. Pistillate flowering branchlet, x i/.. 



6. Pistillate flower, enlarged. 



7. Fruit, X 1. 



