100 CHINESE ECONOMIC TEEES 



Quercus glauca Thunberg. 



Evergreen tree to 20 m. tall. Branchlets at first pubescent, later 

 glabrous or nearly so. Leaves coriaceous, lanceolate or elliptic-oblong to 

 ovate-oblong, acuminate, broadly cuiieate or slightly rounded at the base, 

 mucronate, serrate in the upper half of the margin, lustrous green above, 

 glaucous and silky hairy beneath when young, 8-13 cm. long; petiole 

 slender, 8-25 mm. long, glabrous or with scattered hairs. Fruit ripening 

 in one year, 1-3 together, short stalked. Acorn longer than broad, 

 ovoid-conic to ellipsoid, acute, about 2 cm. long. Cup saucer shaped, 

 about 12 mm. wide, silky tomentose, with 4-8 concentric rings having 

 entire or crenate margins. 



Widely distributed over Eastern Asia. Kiangsi, Hupeh, Szechuan, 

 Chekiang, Yunnan and Fukien. The nuts are edible. The wood is 

 greatly valued for construction. 



A handsome, broad-topped, wide-spreading tree. 



Quercus semicarpifolia Smith. 



Small evergreen or semi-evergreen tree to 16 m. tall, rarely taller. 

 Bark dark gray, shallowly fissured into quadrangular plates. Young 

 branchlets and buds rusty tomentose. Leaves holly-like, coriaceous, 

 elliptic to elliptic-oblong or obovate-elliptic, rounded or slightly cordate 

 at the base, entire or dentate with spinescent teeth, dark green and 

 glabrous above, usually hairy beneath, 5-13 cm. long; petiole very short. 

 Staminate catkins fascicled, 5-15 cm. long; pistillate spike short, few 

 flowered; style 3-5, linear, recurved. Fruit ripening in 2 years, solitary, 

 rarely in pairs. Acorn globular, 2.5 cm. in diameter, smooth, black when 

 ripe. Cup shallow, thin with ovate scales which are free at the apex. 



India to Western China. 



On arborescent specimens the leaves are more often entire. This 

 species, however, usually occurs in scrub growth. The wood is very 

 hard, said to make excellent charcoal. 



Quercus aquifolioides Rehder & Wilson. 



Evergreen shrub or tree to 8 or 9 m. tall. Branchlets glabrous. 

 Leaves leathery, subsessile, oval, elliptic or ovate-elliptic, with a 

 subcordate or auriculate base, spiny pointed with slightly revolute margin. 



