OAK FAMILY. 



309 



The wood is very durable, and much valued for posts, &c. It also 

 makes excellent fuel. 



3. Q. al'ba, L. Leaves oblong, pinnatifid-sinuate, — lobes nearly equal, 

 oblong, obtuse, mostly entire, the sinuses narrow ; cupule somewhat 

 bowl-shaped, tuberculate ; acorn ovoid-oblong. 



White Quercus. Common White Oak. 



Stem 60-80 and 100 feet high, and 2-4 or 5 feet in diameter, with a whitish or light 



Fig. 200. A flowering branch of the White Oak (Quercus alba), showing the aments of 

 Btaminate flowers. 201. A separate staminate flower. 202. A leaf and acorns. 



