FAGACEAE 



California Black Oak 

 Quercus kelloggii Newb. 



HABIT. A medium-sized tree 60-90 feet high and 2-4 feet 

 in diameter (max. 130 by 9 feet); large, open, globose crown. 



LEAVES. Deciduous; obovate; 3-8 inches long; deeply 5-7 

 lobed with rounded usually narrow sinuses; lobes usually toothed 

 and bristle-tipped; dark yellow-green above, paler below; 

 usually hairy. 



FRUIT. Maturing in 2 years; short-stalked; acorn 1-1 Vi 

 inches long, ellipsoidal, light chestnut-brown; enclosed for 

 Yi-y^ its length in bowl-shaped cup with thin, chestnut-brown, 

 erose-margined scales; inner surface of nut shell woolly. 



TWIGS. Slender to rather stout; red-brown. Winter buds: 

 H inch long, ovoid, chestnut-brown, ciliate on margins. 



BARK. Thick, nearly black, divided by deep furrows into 

 wide ridges; light brown and smooth on young stems. 



WOOD. Unimportant; similar to Q. borealis. 



SILVICAL CHARACTERS. Similar to Q. velutina; on dry, 

 sandy soils. 



* * * 



Turkey Oak 



Quercus laevis Walt. {Quercus catesbaei Michx.) 



HABIT. A small tree 20-30 feet high and 1-2 feet in diameter 

 (max. 60 by 2V^ feet); open, irregular crown. 



LEAVES. Deciduous; variable and distinctive; 3-12 inches 

 long (usually about 5) ; very deeply 3-5 lobed ; lobes spread- 

 ing and falcate, bristle-tipped; lustrous yellow-green above, 

 paler below; glabrous except for tufts of red hairs in the axils 

 of the veins. 



FRUIT. Maturing in 2 years; short-stalked; acorn 1 inch 

 long, oval, light brown; enclosed for about Vz its length in a 

 thin, bowl-shaped, hairy cup; inner surface of nut shell woolly; 

 kernel bitter. 



TWIGS. Stout; red-brown; glabrous. Winter buds: Yi inch 

 long, narrow, tapering, chestnut-brown, red-hairy. 



BARK. Rather thick; nearly black; deeply furrowed with 

 rough, scaly ridges. 



WOOD. Unimportant; similar to Q. borealis. 



SILVICAL CHARACTERS. Similar to Q. velutina; dry, 

 sandy soils. 



[20i] 



