PLATE XXXIV. DOWNY POPLAR. 



A staminate flowering branch, x 5. 



A starainate flower, enlarged. 



A pistillate flowering branch, x \. 



A pistillate flower, enlarged. 



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



A seed with hairs, enlarged. 



A branch with mature foliage, x J. 



A winter twig, x J. 



Section of a winter twig, enlarged. 



