FAGACEAE . 9£ 



Quercus liaotungensis Koidzumi, with smaller leaves and fruit may- 

 be a form of Q. mongolica. 



Quercus serrata Thunberg. 



Deciduous tree to 25 m. tall, with dark gray, rough, fissured bark. 

 Young branchlets and leaves silky pubescent, becoming glabrous. Leaves- 

 oblong-lanceolate, acute, or acuminate, rounded or cuneate at base, serrate 

 with bristle tipped teeth, green and glabrous on both surfaces or with 

 scattered hairs in the axijs of the veins beneath, 10 to 20 cm. long, 2.5 

 to 5 cm. wide; petiole 2.5-4 cm. long. Fruit ripening the second year,, 

 nearly sessile or in pairs. Acorn shiny, glabrous, globose to cylindric, 

 2-2.5 cm. long. Cup hemispherical, woody, with free, more or less 

 tomentose scales, embracing the lower 3/4 of the nut. 



India to China and Japan. (Hupeh, Szechuan, Chekiang, Chihli, 

 Shantung, Kweichow.) This is one of the silkworm trees. The cupules 

 yield a black dye. The wood is used for general construction and ship- 

 building. The tree is not exacting in its soil requirements. 



Quercus glandulifera Blume. 



Tree up to 25 m. tall, more often shrubby under cultivation^ 

 Branchlets slender with appressed, silky hairs when young. Buds ovoid,, 

 with glabrous, ciliate scales. Leaves oblong-obovate or oblong-lanceolate,, 

 acute, usually cuneate or rounded at the base, 10-18 cm. long, 3-10 cm. 

 wide, with 7 to 12 pairs of glandular-tipped, acute teeth. Upper surface- 

 dark green and lustrous, gray-green, silky, pubescent below. Fruit stalked, 

 usually clustered. Acorn ovate to oblong-cylindric, about 12 mm. long. 

 Cup shallow, with lanceolate, appressed scales, enclosing about 1/3 the- 

 nut which matures in the second year. 



Widely distributed throughout China, Korea and Japan. (Kiangsi,. 

 Hupeh, Kiangsu, Szechuan and Shantung). In autumn the foliage- 

 turns orange and crimson. 



Quercus f abri Hance. 



Small evergreen tree to 15 m. tall. Branchlets furrowed, with- 

 scattered red hairs. Leaves coriaceous, obovate to oblong, sinuately and 

 shallow-lobed, slightly hairy above, dense tomentose and usually 

 reticulate below, to 18 cm. long; petiole short. Fruit ripening in 1 year, 



