N. (). DIPTEItHOOAKPEAK. 
159 
often filled with resin, rather unevenly distributed. Medullary 
rays prominent, moderately broad, with a number of fine rays 
between each pair of broad ones ; the distance between the 
broader rays equal to or up to twice the transverse diameter of 
the pores, the small rays passing through or round the pores” 
(Gamble). Young branches compressed, glabrous or canescent. 
Stipules 4-5in. long, greenish, tomentose. Leaves 10-18 by 5-14 
in., cordiform, acute, base cordate or truncate, margins sinuate- 
crenate, undulate ; lateral nerves, 15 pair ; petiole 4-5 in. 
Racemes 5-6in., simple or 2-fid, 4-7-flowered. Flowers large, 
rose-coloured ; petals l£in. long, tomentose outside. Fruiting 
calyx-tube obovate, velvety when young, glabrous when mature, 
between the segments produced into 5 sharp knobs. Calyx- 
tube in fruit 11 by 1 in,, mouth contracted, wings 4-5 by lj-l^in., 
linear-elliptic, obtuse, 3-nerved. Nuts tomentose. 
Use According to Mason, the oleo-resin of this tree is 
used with assafoetida and cocoanut oil as an application for large 
ulcers. 
138. D. alatus, Roxb. h.f.b.i., i. 298, Roxb. 439. 
Vern: — Garjan '.B.); 
Habitat : — Chittagong Andamans, Pegu, Tenasserim, 
Siam, Com bod ia. 
A very large tree with a grey bark. Sapwood white ; 
heartwood reddish-grey, moderately hard, smooth, mottled 
(Gamble). Shoots and stipules pubescent. Leaves ovate or 
elliptic, acute, pubescent beneath, margin ciliate ; secondary 
nerves 12-15 pair, blade 4-6 in. Petiole softly hairy, 1-1£ in. 
long. Wings on fruiting calyx-tube, broad, half the diameter 
of the tube or more. Raceme about 7-flowered. 
The medullary rays consist of two classes of cells, long and 
short. The former up to 0Y2 in. long, are filled with wood oil. 
Use : — 1 This species yields, like D. turbinatus, most of the 
Gurjun Balsam of commerce. 
139. 1>. ineanus, Roxb. h.f.b.i., I. 298. Roxb. 
439 . 
