Quercus.] cxxxm. cupuliferal 373 
Leaf silvery beneath. Cup obconic at base; hemi¬ 
spheric above; lamellae 8 to 10, thin. . . (1) Q. argentata 
Leaves not silvery, more prominently serrate. 
Leaves 6 to 7 in. long; cup cylindric, hemispheric; 
lamellae thin . . . . . . . (2) Q. oidocarpa 
Leaves 2 to 2-25 in. long; cup cylindric, base conic 
with thickened lamellae . . . . - (3) Q- t urbina t a 
var. crassilamellata 
(x) Q. argentata Korth. in Verh. Nat. Gesch. Bot. 215, t. 47. 
Figs. 1 to 17; Gamble, lx. 408; King, Ann. Bot. Gard. Calc., ii. 30, 
pi. 24A. 
A big tree 80 ft. tall. Leaves coriaceous, silvery beneath, 
elliptic-oblong to oblanceolate, abruptly shortly caudate-acuminate, 
entire or obscurely repand-serrate, 4 to 5 teeth in upper part; 
nerves 10 to 15 pairs, fairly conspicuous; 5 in. long, 2*25 in. wide; 
petioles 1 to 1*5 in. long. Male spikes in axillary panicles 1*2 in. 
long. Spikes villous. Females *8 to 2 in. long. Fruit sessile; 
cup obconic covering half the acorn -8 in. deep, 1*5 in. wide, with 8 
to 10 thin, grey puberulous minutely-toothed lamellae. Acorn 
ovoid, chestnut brown, 1 in. long, -8'in. through; umbo truncate- 
conic. Hab. Forests, apparently not common, Singapore, Garden 
Jungle. Malacca, Batu Tiga (Holmberg). Distrib. Bangka, Suma¬ 
tra, Borneo. Native name : Pening Pening. 
(2) Q. oidocarpa Korth. lx. 216, t. 47, Fig. 18; Gamble, l.c, 
409; King, Ann. Bot. Gard. Calc. ii. 28, t. 2IA. 
Big tree 80 to 100 ft. tall, 2 to 3 ft. through. Leaves coriaceous 
elliptic-oblong or oblanceolate acute, base acute, serrate at top; 
nerves 8 to 12 pairs prominent on both sides but chiefly on back, 
reticulations prominent beneath; 6 to 7 in. long, 2 to 2-5 in. wide; 
petioles 75 in. long. Male spikes unknown. Female solitary 
shorter than leaves. Fruit sessile, cup cylindric hemispheric, 1 in. 
long and wide; lamellae 6 to 8, broad minutely tomentose edges of 
lower ones crenate. Acorn ovoid-globose, top slightly flattened 
and conical zoned umbo, all pubescent, *8 to 1*2 in. long. Hab. 
Perak, hills, Larut (Kunstler). Penang, Batu Feringhi (Curtis). 
Distrib. Sumatra, Borneo. Native name : Berangan antan. 
(3) Q. turbinata Bl. Bijdr. 523; FI. Jav. Cupul. 31, t. 18; 
Gamble l.c. 410; King, Ann. Bot. Gard. Calc. l.c. 33, t. 26. 2. 
var. crassilamellata Gamble, lx. A big tree. Leaves coriaceous 
elliptic-oblong, short blunt acuminate, base attenuate, edges serrate 
above; nerves 8 to 9 pairs elevate beneath and slightly above ; 
2 to 2*5 in. long, -5 in. wide; petioles slender, -25 to -3 in, long. 
Male spikes dense, short villous clustered catkins *25 in. long, in 
upper axils. Females short. Fruit sessile. Cup obconic at base 
with 2 belts then cylindric, *6 in. long with 4 belts, top flat with 
2 or 3 belts -5 in. across with a small hole from which only the 
umbo of the ovoid depressed puberulous acorn appears. Hab. Rare 
at 3000 to 3400 ft. altitude. Perak, Ulu Batang Padang (Wray). 
Penang, West Hill at 2500 ft. altitude (Curtis). 
