PLATE LXV. BLACK OAK. 



1. Flowering branch with immature leaves, (s) staminate blossoms, (p) pistillate blossoms, x fc. 



2. A mature leaf, x J. 



3. Branch with leaves and mature fruit, x 1. 



4. An acorn cup, x *. 



5. An acorn, x J. 



6. Winter twig with buds, leaf-scars, and immature acorns, x i. 



7. Section of twig with immature acorns, x 1. 



8. Section of winter twig showing the large, angular and pubescent bud and leaf-scare with bundle- 



scars, enlarged. 



