Shorea.] xx. dipterocarpace^. 231 



acuminate or shortly acuminate, base slightly cuneate; nerves 7 

 pairs, prominent beneath or not, 2*5 to 3 in. long, -9 to rz in. 

 wide; petioles "4 in. long. Panicles axillary stellate-tomentose, 

 3 in. long. Branches distant, very short. Flowers sub-sessile, 

 under -2 in. long. Sepals ovate-orbicular blunt, tomentose. Petals 

 broadly oblong blunt, silky both sides. Stamens 20 ; filaments 

 slightly dilate; awns of all anthers ciliate. Ovary tomentose. 

 Fruit ovoid apiculate, silky; outer wings oblong, tip rounded, 

 5-nerved, i'25 in. long and '4 in. broad, much reticulate, inner ones 

 much smaller. Hab. Penang and Province Wellesley at 500 ft. 

 altitude, Telok Bahang (Curtis). Native name : Dammar Laut no. 

 satu (No. i). One of the most valuable timbers in the Malay 

 Peninsula. 



(23) S. collina Ridl. Agric. Bull. Straits ix. 182. 



A big tree with black branchlets. Leaves oblong, shortly 

 cuspidate, base rounded ; nerves 10 pairs elevated beneath, reticu- 

 lations conspicuous, 5 in. long, 2 in. wide; petioles stout i"25 in. 

 long. Panicles lax, 3 in. long; rachis stellate-hairy. Flowers 

 shortly pedicelled. Sepals orbicular-ovate, white-silky. Petals 

 oblong-hnear, blunt, "5 in. long, white-silky outside. Stamens 20, 

 outer ones, filament broad oblong; anthers elliptic; awns with 

 2 or 3 cilia, inner ones base broad oblong, narrowed above into a 

 filament as long as the anther, which has an awn ending in 2 cilia. 

 Ovary silky; style short. Hab. Pahang on the east coast (Sanger- 

 Davies). Native name : Balau bukit. 



(24) S. costata King, I.e. 119. 



A tree 60 to 100 ft. tah, 4 ft. through. Branchlets scurfy. 

 Leaves coriaceous, oblong obtuse, base broad or sub-cuneate, 

 glabrous ; nerves 11 to 13 pairs, obhque distinct, transverse nervules 

 distinct with reticulations between, 3 to 4-25 in. long, i-2 to 1-5 in. 

 wide; petioles -8 to i in. long. Panicles axiUary and terminal, 

 1-5 to 2 "5 in. long, scurfy-puberulous. Branches short, few-flowered. 

 Sepals broad ovate, tomentose. Petals nearly ovate, white silky 

 on both sides. Stamens 20 ; filaments dilated, longer than anthers, 

 in the inner row awns short glabrous, in outer rows longer and 

 ciliate. Ovary tomentose. Fruit ovoid apiculate, puberulous, 

 75 in. long ; outer wings narrow oblong obtuse, narrowed to base, 

 7-nerved, 275 in. long, -45 in. wide, the inner ones 1-5 in. long, 

 •25 in. wide. Hab. Penang. Government Hill (Curtis) and Batu 

 Feringhi. Native name : Dammar Laut. 



(25) S. crassifolia Ridl. 



Tree. Leaves stiffly coriaceous, glabrous, broadly oblong, base 

 broad round, tip sub-acute ; nerves prominent both sides 17 pairs 

 sub-horizontal, nervules transverse with very small reticulations 

 conspicuous both sides, 4-5 to 5-25 in. long, 3 in. wide; petioleB 

 75 in. long. Flowers unknown. Panicle in fruit puberulous. 

 Branches few, 6 in. long. Fruit globose glabrous as long as the 



