White Poplar 



1. Winter twig, x I. 



2. Portion of twig, enlarged. 



3. Leaf, x 2. 



4. Maminate flowering branchlet, x l / 2 . 



5. Staminate flower, enlarged. 



6. Pistillate flowering branchlet, x 1 />. 



7. Pistillate flower, enlarged. 



8. Fruit, x y 2 . 



46 



