Thinleaf Alder 



a. Twig with leaves and 

 fruit, X 2/^. 



b. Staminate and pistillate 

 flowers, X 1/2- 



c. Seeds, x 4. 



Sitka Alder 



a. Twig with leaves 

 and fruit, x 1. 



b. Seed, x 3. 



[160] 



