KEY TO GENERA AND SPECIES 25 



j of an inch long. Bark not smooth and 

 gray * Oak, 126. 



37. Base of blade nearly or quite symmetrical. 



Buds \ inch or more long, sharply pointed. 

 Bark smooth and gray, even on old trunks * 

 Beech, 122. 



38. Margin both deeply cut or indented, and 



toothed. (See Figs. 126, 208.) 61. 

 38. Margin deeply notched or in- 

 dented, but not toothed. (See 

 Figs. 30, 44.) 59. 



Fig. 47- 



Holly. 



39. Leaves thick, evergreen, with stiff 

 and spiny teeth. Mass, south- 

 ward along the coast, also 

 cult. (Fig. 47.) Holly, American 

 Holly, White Holly, Ilex opaca 

 Ait. 



39. Leaves thin 40. 



40. Leaves and branches opposite, or seemingly 



so 41. 

 40. Leaves and branches alternate 42. 



* The bark of the Gray Oak in eastern Maine is smooth and 

 Beech-like. It is doubtless of this character elsewhere. The 

 Gray Oak may readily be known (as contrasted with the Beech) 

 by its lobed leaves, by its fruit, or by its winter bud characters. 



