PLATE LXIII. PIN OAK. 



1. Flowering brmicl) with imtiiature It-iives, (s) staiiiitmte blossoms, (p) pistillate blossoms, 



(i) immature acorns, x h. 

 «. Branch witli niature leaves, immature ami mature acorns, s i. 



3. An acorn cup, x i. 



4. An acorn, s *. 



5. "Winter twig witli immature acorns, buds, and ono ijiri-liKe bramhlet, x J. 



6. Winter branch with two pin-IiUe branrhlets, x I. 



7. Section of a winter branch, enlarged. 



