Il 



i 



PLATE LXX. WILLOW OAK. 



1. Flowfring bram-U with immature leaves, (s) 



staininate blossoms, (p) pistillate blossoms, 

 (i) irnmatuie auorus. x J. 



2. Branch with mature leaves, immature and 



mature acorns, x ). 



3. An acorn cup, x J. 



4. An acorn, s i. 



o. Wiuier twig with buds, lentlcels, and im- 

 mature acorns, x J. 



tj. Section of winter twig, enlarged. 



7. Cross section of twig showing pentangular 

 pith, wood with conspicuous meduUazT 

 rays, and bark, enlarged. 



