Dipterocarpus.] xx. dipterocarpace^. 217 



elevate, 6 to 9 in. long, 3 '5 to 5 in. wide ; petioles 2 to 3 in. long. 

 Racemes 4-flowered. Flowers 2 in. long. Calyx-tube -5 in. long, 

 angled with 5 wings for the whole length. Petals linear-oblong, 

 pink, backs mealy i in. long. Fruit oblong 2-5 in. long with 5 

 strong wings, -5 in. wide running the whole length ; sepaline wings 

 oblong blunt, coriaceous, 7 to 9 in. long, 1-5 to 2 in. wide; nerves 

 3 to 5, much-branched, small wings ovate orbicular, -5 in. long. 

 Hah. Common in forests in the whole peninsula from Johor to 

 Kedah (on Kedah peak) and Pulau Adang. Distrih. Lingga, 

 Labuan, Bangka, Philippines. Native names : Minyak Keruwing 

 Dadek; Minyak Keruwing Beku; Minyak Gombang Kechil. 

 Use : Oil used in varnish (Ridl. Journ. Roy. As. Soc. S. Br. xxxiv. 



P- 93)- 



(9) D. Kunstleri King, I.e. 96; An7i. Bot. Gard. Calc. v. (2), 



149, pi. 180. 



A tree 100 to 120 ft. tall, and 2 or 3 ft. through. Branchlets 

 at first pubescent, later glabrous with pubescent rings above each 

 axil. Leaves coriaceous elliptic shortly acuminate, base round or 

 cuneate, edges undulate, glabrous; nerves 16 to 18 pairs promi- 

 nent, 7 to II in. long, 4*5 to 7 in. wide; petioles 1-5 to 2 in. long. 

 Panicles 6 to 8 in. long. Branches 2 from a peduncle i in. or more 

 long. Flowers 4 to 6, glaucous, 2-5 to 3 in. long. Calyx-tube 

 obconic with 5 ridges. Petals linear blunt. Fruit dark bluish 

 green 2*5 in. long, i in. through with 5 low wings in the upper 

 part about '25 in. wide. Sepaline wings 6 in. long, 1-5 in. wide, 

 oblong, narrowed at base; nerves 3 branched and reticulate, 

 short wings obovate '5 in. long. Hah. Dense jungle, Perak, 

 Thaiping Hills at 300 ft. altitude (Kunstler). 



(10) D. rigidus Ridl. Journ. Roy. As. Soc. S. Br. 82, p. 171. 

 Branches stout, densely softly hairy. Leaves rigid coriaceous, 



ovate sub-acute, base shortly narrowed blunt, above glabrous, 

 beneath velvety; nerves 10 to 11 pairs, sunk above, strong elevate 

 as is midrib beneath hairy, 6 in. long, 4 in. wide; petioles 2 in. 

 long, hairy stout. Panicles 4 in. long, glabrous above. Flowers 

 large. Calyx-tube distinctly but narrowly winged, i in. long, 

 lobes velvety outside, glabrous inside, short wing oblong blunt, 

 •12 in. long, long wing blunt linear-oblong 75 in. long. Petals 

 linear-oblong, grey velvety both sides 2 in. long. Hab. Johor, 

 Penyabong (Foxworthy). 



Nearest to D. Kunstleri, but much more hairy and with fewer nerves to 

 the leaves. 



(11) D. costatus Gaertn. Fruci. iii. 50, t. 187, 



A tree 60 to 70 ft. tall. Young branches golden velvety. 

 Leaves oblong-ovate acute, base very shortly narrowed, thinly 

 hairy to glabrous except the nerves pubescent above, all pubescent 

 beneath; nerves 12 pairs elevate, 5 in. long, 275 in. long; petioles 



