PLATE XXXV. COTTONWOOD. 



1. A. staminate flowering branch, x i. 



2. A staminate flower, enlarged. 



3. A pistillate flowering branch, x i. 



4. A pistillate flower, enlarged. 



5.. Section of a branch with a fruiting catkin and capsules, 



6. A seed with hairs, enlarged. _ 



7. Section of a branch with mature foliage, x i. 



8. A winter twig, x I. 



9. Section of a winter twig, enlarged. 



