114 Dipterocarpacece. [Dipterocarpus. 



cotyledons nearly equal, very thick, partially fused, much 



convoluted, ruminated on section. — Sp. about 50; 17 in Fl. 



B. Ind. 



Tube of fruit-calyx without ribs or wings . . i. D. HISPIDUS. 



Tube bluntly 5 -ribbed 2. D. zeylanicus. 



Tube 5-winged. 



Wings undulated 3-D- SCABRIDUS. 



Wings not undulated. 



Fl. pedicelled 4. D.glandulosus. 



Fl. sessile 5. D. insignis. 



1. D. hispidus, 77/7^. Enuin. 33 (1858). Bu-hora, S. 



D. oblonglfolius, Thw. Enum. t,^ (non Bl.) ; D.oblongus, ^. DC. in 

 DC. Prod. xvi. 608. C. P. 2903, 3405. 

 Fl. B. Ind. i. 296. 



A very large tree ; younger parts very densely covered 

 with tufts of long fulvous hair ; 1. very large, 6-12 in., broadly 

 oblong-oval, rounded or subcordate at base, shortly acumi- 

 nate, sinuate, glabrous, except on midrib above, thickly set 

 with tufts of soft hair on veins beneath, lat. veins 13-16 on 

 each side, petioles 1-2 in. with tufts of long fulvous hair, stip. 

 6 in., glabrous outside, stellate-hairy within ; fl. large, 2 in. 

 diam., few in the raceme, ped. hairy ; cal.-tube \ in., obscure, 

 5-ribbed, densely stellate-pubescent ; pet. densely stellate- 

 hairy outside ; fruit-cal. J-Z in., tube spherical, without ribs, 

 at first stellate-pubescent, afterwards glabrous, wings very 

 obtuse, strongly reticulated, not obviously 3-vcined. 



Moist low country ; rare. Neighbourhood of Ratnapura only ; Pala- 

 badulla. Fl. April. 

 Endemic. 

 The wood yields an aromatic reddish gum-resin. 



2. D. 2.eylanicus, 7yra'.£"««w. 33(1858). Kora, 5. (Plate X.) 

 D. turbinatus. Moon Cat. 42 (non Gaertn. f.). C. P. 192 1, 2398. 



Fl. B. Ind. i. 297. 



A very tall tree, with straight, erect trunk, branching 

 mostly near the top, bark flaking off in small pieces, twigs 

 marked with scars of fallen leaves and stip., young parts 

 densely pubescent or silky ; 1. large, 5-8 in., broadly oval, 

 rounded at base, suddenly acute, obscurely crcnate-serrate, 

 glabrous (except when young on the veins beneath), lat. 

 veins 14-18, petioles \\-2 in., pulverulent when young, stip. 

 5 in. long, oblong, acute, thick, pink, pubescent inside, cadu- 

 cous ; fl. li in. diam., racemes double, drooping, ped. |-^ in., 

 at first stellate-pubcrulous ; cal.-tube ]-{? in., campanulate, 

 glabrous, stellate-pubescent ; pet. about r in., oblong, obtuse, 

 recurved at end ; stam. with an apiculus nearly as long as 



