464 Flora of the Malayan Peninsula. 
11. CastaNnopsis WaLLIontII, King in Hook, f. FI. Br. Ind. V. 
624 (1888). A tree, reaching 12—15 m. in height and 40—60 cm. 
in diam. of stem; branchlets slender, darkly lenticellate, with dark 
greyish-brown rough bark, the ultimate ones and inflorescence 
covered with minute cinereous subflocculent pubescence; leaf-buds 
very small, ovoid. Leaves chartaceous ; lanceolate or ovate-lanceo- 
late, shortly acuminate often mucronate at apex, acute often 
unequally at base; upper surface glabrous, olive-brown when dry, 
lower minutely cinereous- or ferrugineous-pubescent ; margin entire, 
often recurved ; 5—-9 cm. long, 2—4 cm. broad; midrib slender, 
impressed above, pubescent beneath; main nerves 6—10 pairs, thin, 
slightly prominent beneath; transverse nervules few and, with the 
reticulation, irregular; petiole slender, 6--10 mm. long. Spikes 
slender, up to about 10cm. long, in terminal or subterminal cinereous- 
pubescent panicles, 3 or (rarely ?) 9 or androgynous the @ above 
the 2 below. Flowers: & in clusters, bracteole lanceolate, villous; 
perianth-lobes 6, unequal, nearly free, villous; stamens 12 with 
slender filaments and minute globose anthers: @ with rugose 
cupule and minute styles. Fruits sessile, obovoid-hemispheric, 
flattened on the inner side and slightly curved inwards, 3—3°5 cm. 
in diam., in very stout spikes up to about 10 cm. long ; rhachis very 
thick with dark rough bark; cupule when mature thick-walled 
densely covered on the rounded surface with stout flat triangular 
curved sharp spines about 7—9 mm. long, smooth or raised on the 
flattened surface, enclosing the whole of the single nut which is . 
more or less adherent to the cupule ; nut depressed-globose, fulvous- 
pubescent; cotyledons sinuate. King Ann. Calc. II. 106, t. 101 A. 
Castanea Tungurrut, Wall. Cat. 2763 (not of Blume). 
PENANG: on Convalescent Hill, Wallich 2763 !; in open forest at 
300—450 m. alt., King’s Collector 4848!; on Government Hill, 
Curtis 416!, Fox 10646!. Maracca: Griffith K.D. 4444!; Maingay 
K.D. 1465!. Srnecapore: at Bukit Timah, Changi and in garden 
forest, Ridley 3390!, 3959!, 5567!; Cantley 34!. 
12. CASTANOPSIS NEPHELIOIDES, King in Hook. f. Fl. Br. Ind. 
V. 624 (1888). A tree reaching a height of 12—18 m. and 40—60 
cm. in diam. of stem; branches spreading ; branchlets slender with 
dark greyish-brown to nearly black bark, slightly puberulous and 
with few lenticels, the ultimate ones and inflorescence covered with 
fulvous furfuraceous tomentum ; leaf-buds ovoid, perulate, about 
4 mm. in diam., the fulvous scales ovate acute. Leaves chartaceous ; 
