1984 Leaflets of Philippine Botany [Vim.. VI, Art. 100 



terete, terminal, solitary though usually few clustered, nearly 

 straight, scurfy brown puberulent, 5 mm thick more or less, 

 1 to 5 cm long; fruits densely clustered from near the base, 

 2.5 cm long by 2 cm wide below the middle; glans flatly 

 ovoid, dark green and deep brown when dry, about as large 

 as the full sized entire fruit, smooth and glabrous except the 

 r ither sharply pointed puberulent apical point, only the basal 

 one third within the cup; calyx cup shallow, 2 cm across f 

 5 to 8 mm deep, much thickened at the short basal stalk, 

 whithout rings but densely rugulose and covered by a fulvus 

 con" in puberulence. 



Type specimen number 13735, A. D. E. Elmer, Cabad- 

 baran (Mt. Urdaneta), Province of Agusan, Mindanao, Sep- 

 tember, 191 



Collected upon a steep forested ridge in a well drained 

 compact red soil at 3500 feet altitudde of Duros peak. "Lipa- 

 Manobo. 



Of Quercus ovalis Blco., Quercus blancoi Vid., Quercus dementis 

 Merr. and Quercus llanosi A. DC, it comes nearest being the 

 last one named. 



Quercus copelandi Elm. n. sp. 



Only of middle size or a larger tree; trunk 7 dm through, 20 

 m high, terete, buttre^ed at the very base, branched from near 

 the middle or from above it; wood only moderately hard, white 

 or with a slight yellowish tinge, more or less streaked with 

 browner veH-els, tasteless, almost odorless; bark thick, grayish 

 brown and densely roughened with excrescences, castaneus other- 

 wise; main branches ascending, ultimately numerously rebranch- 

 ed; twigs lax, greenish, ascending, glabrous, drying dull gray. 

 Leaves glabrous, alternate, chiefly ascending, submenbranous or 

 thinly chartaceous, tiat, the gradually tapering and sharply acu- 

 minate apex recurved, base obtusely rounded, oblongish, curing 

 unequally grayish on its two sides, entire, variable in size, the 

 smaller one 8 cm long, the larger blades 15 cm long and 6 cm 

 wide across the middle, paler green or subglaucous beneath; 

 midrib pronounced beneath, yellowish gray; lateral nerves 7 to 9 

 pairs, oblique, strict except the ascendingly curved tips which 

 gradually become indistinct, cross bars very faint, minutely artic- 



