Flora of the Malayan Peninsula. 409 
caudate-acuminate at apex, acute or acuminate at base; margin 
entire or the upper third very obscurely repand-serrate with 
45 teeth; upper surface shining, glabrous, olive-brown when 
dry, lower dull with a layer of minute silvery scales; 10—20 cm. 
long, 4—8 cm. broad; midrib slender, prominently impressed above 
and raised beneath; main nerves 10—15 pairs, regular, rather indis- 
tinct, curved to near the margin and then joining in small loops; 
transverse nervules very many, subparallel, faint like the reticulation ; 
petiole slender, 1°5—3 cm. long, grooved. Spikes: ¢ in axillary or 
lateral panicles up to 3 cm. long; rhachis of panicle angled, subgla- 
brous, of spikes tawny villous; bracts of spikes linear-subulate, 3 mm. 
long; bracteoles ovate-acute, 1‘5mm.long: Q lateral, 2—5 cm. long, 
stout; rhachis densely lenticellateandrough. Flowers in each cluster 
3; perianth cup-shaped, obscurely 3-lobed; stamens 4—6. Fruit 
sessile; mature cupule obconic at base then hemispheric, embracing 
about half the acorn, 2°5 cm. indiam., 2 cm. deep; lamella about 
8—10, thin, broad, subequal, grey-puberulous, minutely denticulate ; 
acorn ovoid, chestnut-brown, smooth, shining, 3cm. long, 2 em. in 
diam., the umbo truncate-conic. Blume Mus. Bot. Lugd.-Bat. I. 
299; A. DC. in Prodr. XVI. ii. 91; Mig. Fl. Ind. Bat. I. 858; Ann. 
Mus. Lugd.-Bat. I. 115; Wenzig in Jahrb. Bot. Gart. Berl. IV. 230. 
King Ann. Cale. II. 30, t. 24 A. Cyclobalanopsis argentata, Oerst; 
in Kjoeb. Vidensk. Meddel. 79 t. I. II. 5 to 8 (1866). 
Matacca: at Batu Tiga, Vern. ‘ Pinang Pinang’ Holmberg 770!. 
SINGAPORE: in garden jungle, Ridley 6443!.—DistRis, Sumatra 
Korthals, Forbes 2719, 2753; Bangka Teysmann; Borneo Hallier 
2864! ( & flowers). 
The description of the ~ flowers (unfortunately still in bud-stage) is taken 
from Hallier’s specimen, that of the fruit from a ripe acorn collected by Ridley, 
as the fruits described by King and his predecessors were admittedly immature. 
2. QuERCUS o1DOCARPA, Korth. in Verh. Nat. Gesch. Bot. 216, 
t. 47. fig. 18 (1839—42). A large tree reaching 30 m. in height 
and 60—90 cm. in diam. of stem; branchlets brown, stout, with 
many prominent lenticels, the uppermost puberulous; buds ovoid, 
small, pubescent. Leaves coriaceous; elliptic-oblong or oblanceolate, 
acuminate at apex, acute or acuminate and sometimes unequal 
at base; upper surface glossy green when fresh, reddish-brown and 
shining when dry, lower dull, smooth, glabrous; margin entire below, 
prominently serrate in the upper fourth part with about 2—4 in- 
curved fairly deep serratures; 10—18 cm. long, 3°5—6 cm. broad ; 
