Flora of the Malayan Peninsula. 465 ~ 
elliptic or elliptic-oblong or slightly ovate, shortly and obtusely 
acuminate at apex, acute or somewhat cuneate at base; upper 
surface glabrous, bright green when fresh, olive-green when dry, 
lower silvery-grey when fresh, when dry minutely and sparsely 
furfuraceous-pubescent ; margin entire; 9—14 cm. long, 4—-6 cm. 
broad ; midrib slender, slightly keeled above; main nerves 9—12 
pairs, slender, prominent beneath, parallel, straight at first, curved 
near the margin to break up in diminishing loops; transverse 
nervules many, prominent, enclosing the areolate reticulation ; 
petiole 6—10 mm. long, channelled above. Spikes slender, up to 15 
em. long, in lax minutely fulvous-tomentose terminal leafless panicles 
up to 20—25 cm. long, # and @ mixed the latter usually uppermost, 
sometimes androgynous the @ below. Flowers: ¢@ in clusters, 
somewhat distant below, closer above; bracteoles minute, ovate; 
perianth-lobes 6, ovate, acute, often unequal, nearly free, villous; 
stamens 12 with long filaments and small globose anthers ; pistillode 
rather small, villous: @ solitary, distant, bract ovate-obtuse, 
bracteoles 2—3; cupule densely villous; perianth as in 3 but 
smaller; styles 3, short. Fruits obovoid, flattened on the inner 
side and ofen curved, 2'5 cm. in diam., in spikes up to about 15 cm. 
long ; rhachis like the branchlets; cupule when mature reaching 
5—6 mm. in thickness, enclosing the whole of the single nut, except 
the small umbo and persistent stigmas, the outer surface covered 
except on the flattened side with short pyramidal, angular, fulvous- 
pubescent tubercles which are more prominent in immature speci- 
mens than in mature ones in which they are scarcely more than 
short ridges; nut adherent to the cupule; seed with thin brown 
testa and sinuate cotyledons. King in Ann. Cale. II. t. 102. 
PERAK : in various places in forest up to about 200 m. alt., 
King’s Collector 3843!, 4740!, 5542!, 6417!, 6423!, 6453!, 6518! 
7208!, 7231!, 7235!, 7835!, 7991!, 8624!, 10589!, 10838!; Scor- 
techint 1153!. Matacca: at Brisu, Derry 597!. Sinaarorr: at 
Bukit Timah, Ridley 6440!. Vern. ‘ Resak’ (Ridley). 
13. Castanopsis Curtisi1, King in Ann. R. Bot. Gard. Calc. IT. 
107, t. 103 (1889). A tree reaching 20 m. in height; branchlets 
slender, glabrous, minutely lenticellate, with bark nearly black 
when dry; leaf-buds small, oblong-lanceolate with lanceolate acu- 
minate minutely grey-sericeous scales. Leaves chartaceous ; lanceo- 
late or oblanceolate ; cuspidate-acuminate, usually rather abruptly, 
at apex, acute and often unequal at base; both surfaces glabrous, 
