THE OAK. 



11^ 



THE LEAF. 



The leat ot the Oak varies in size and form in the two species, 

 as well as in individual trees. The leat ot the Pedunculata con- 

 tributes to the rugged look ot the tree, being contorted and waved 

 at the edge. It is oblong in shape, and from two to four inches 

 in length. The edge is divided into several lobes, irregular and 

 rounded, the divisions between them cutting into the leaf about halt 

 wav to the central rib. The leaf is covered with a network of 

 veins, the larger ones beino; verv noticeable on account ot the wavi- 

 ness of the leaf. The leaves have hardly anv toot-stalks. The dis- 

 tincti\'e features of the leaf ot Robur Sessiliflora are its larger size, more 



