CUPULIFEROUS PLANTS. 



71. Oak. The Oaks are among our finest and most 

 valuable forest-trees, and while everyone is familiar with 



Fig. 67. Fig. 65, 



the appearance of the acorn, as the fruit of the Oak is 



Fig. 66. Twig of White Oak with sterile catkins. 



Fig. 67. Single staminate flower. 



Fig. 68. Fruit and leaf of Oak. (Wood and Steele.) 



