PLATE XXVIII. BLACK WILLOW. 



1. A staminate flowering branch, x 1. 



2. A staminate flower, enlarged. 



S. A pistillate flowering branch, x i. 



4. A pistillate flower, enlarged. 



5. A fruiting branch, x J. 



6. A seed with hairs, enlarged. 



7. A winter twig, x I. 



8. Section of a winter twig with bud and leaf-scar, enlarged. 



9. A leafy branch, x 5. 



