230 
XX. DIPTE ROC ARP ACE . 
[Shorea. 
cuneate, glabrous, minutely reticulate and whitish beneath; nerves 
8 or 9 pairs ascending; nervules very numerous, close parallel, 
3 to 3'5 in. long, ’8 to i*8 in. wide; petioles 75 to *9 in. long. 
Panicles numerous, many-flowered, hoary. Flowers nearly *5 in. 
long. Sepals ovate tomentose. Petals 3 times as long, narrow 
oblong, blunt, outside silky at base, hoary above. Stamens 30; 
awns with 3 to 5 cilia. Ovary ovoid tomentose-silky; style 
glabrous. Fruit ovoid, shortly beaked silky, *5 in. long, longer 
than sepal bases, outer wings 3 large, spathulate oblong, narrowed 
downwards, 7-nerved, 2 in. long, '3 in. wide at tip, inner ones 
1 in. long, 1 in. wide, linear, all rather thin and strongly reticulate. 
Hab. Rare and local. Penang Hill at 2000 ft. altitude (Curtis). 
(20) S. albaRhi?/. Journ. Roy. /Is. Soc. S. Br. 82, p. 171. 
Tree 100 ft. tall, 4 ft. through, glabrous except the inflorescence. 
Leaves lanceolate caudate-acuminate blunt, base shortly narrowed, 
coriaceous, very finely reticulate above; nerves and midrib sunk 
above, slender prominent beneath; nervules numerous parallel 
undulate, reticulations invisible below, 3'25 in. long, 1*5 ip- wide; 
petioles *5 in. long. Panicles terminal and axillary, 2'5 in. long, 
white-mealy. Branches *5 in. long. Flowers very shortly pedi- 
celled, white, *25 in. wide. Sepals ovate sub-acute, white-tomentose. 
Petals ovate blunt, woolly on both sides, slightly contort. Stamens 
about 30, inner whorl with short, broad filaments shorter than the 
oblong bifid anthers; awns longer densely ciliate. Ovary conic 
tomentose to the style base; style rather short, glabrous. Fruit 
unknown. Hab. Very rare. Penang, Batu Feringhi, near the 
Ice-works (Curtis). 
(21) S. barbata Brandis, Journ. Linn. Soc. xxxi. 81. 
A big tree 120 to 160 ft. tall. Branchlets dark grey transversely 
ringed. Leaves ovate-lanceolate acuminate, base round or very 
shortly cuneate, above glabrous minutely reticulate, beneath 
minutely pubescent; nerves 6 pairs fine, inconspicuous above, 
nervules beneath parallel, 3 to 3'5 in. long, i*i to 175 in. wide; 
petioles *5 in. long. Panicles elongate axillary and terminal, 
4 to 6 in. long. Branches short distant, *5 in. long, stellate-hairy. 
Flowers sessile silky-tomentose, small. Sepals ovate obtuse. 
Petals tomentose outside. Stamens 20 to 30; anthers bearded 
at both ends; awns shorter than anthers, bearded. Pistil tomen¬ 
tose; style glabrous. Fruit globose beaked, *25 in. long; outer 
wings elliptic-oblong rounded, 1*2 in. long, '6 in. wide, inner wings 
75 in. long. Hab. Malacca, Batang Malacca (Goodenough). 
Negri Sembilan (Burn-Murdoch); Pasoh and Bukit Panjang (Fox¬ 
worthy). Pahang, Rumpin River (Henbrey). Native names: 
Resak; Resak Hitam. Use : The timber is highly valued. 
(22) S. utilis King, l.c. 119. 
A vast tree, glabrous except inflorescence. Branchlets dark 
coloured. Leaves coriaceous shining, ovate-lanceolate caudate- 
