214 ^^- DiPTEROCARPACE^. [Dipterocarpus. 



(i) D. crinitus Dyer, in Hook. fd. F.B.I, i. 296; King, I.e. 90. 



A vast tree 90 to 100 ft. tall. Young branches, petioles, under- 

 siirface of leaves, midrib and nerves, pedicels and outside of bracts 

 covered with stiff yellow hairs in fascicles. Leaves very cori- 

 aceous ovate or obovate acute, base round blunt, sparsely hairy; 

 midrib thickly hairy above (glabrescent when old) ; nerves 12 to 

 18 pairs very prominent beneath, 5 to 6 in. long, 2*5 to 3 in. wide; 

 petioles i"5 to 2 in. long. Racemes about 6-flowered. Flowers 

 pink, 2 in. long. Calyx glaucous glabrous. Petals puberulous 

 linear blunt. Stamens 15. Fruit ovoid, glaucous glabrous, 75 in. 

 long, wings linear-oblong blunt, i-nerved, reticulate, 3*5 in. 

 long, '5 in. wide. Hah. Forests, common. Johor, Bukit Jitan; 

 Penyabong (Foxworthy) ; Pahang, Lipis (Phillips) ; Bentong 

 (Foxworthy). Malacca, Sadanen. Selandor. Negri Sembilan. 

 Selangor. Distrib. Borneo, Sumatra. Native names : Gombang ; 

 Minyak Keruwing Bulu ; Keruwing Pekat ; Keruwing Bobi ; 

 Menkeluang (Pahang) . Use : Timber for houses and bridges ; 

 bark for house walls. 



(2) D. Duperreanus Pierre, Fl. For. Cochinchine, 14, t. 219. 

 D. Scortechinii King, I.e. 91. 



A big tree about 100 ft. tall. Branchlets and buds densely 

 rough hairy. Leaves elliptic, shortly blunt acuminate ; nerves 9 

 to 10 pairs, above glabrous, beneath softly tomentose with tufted 

 hairs, edges undulate, base shortly narrowed or truncate, 8 to 9 in. 

 long, 5 in. wide; petioles densely hairy, 1*5 in. long. Flowers 



6 to 8 sessile in a spike. Calyx-tube oval-cylindric, shortly hairy. 

 Petals linear-oblong pink, i-8 in. long. Fruit globose i in. long, 

 wings linear-oblong, 6 in. long, i in. wide; nerves 3, reticulations 

 conspicuous, minutely pustulate with stellate hairs and on nut 

 with bristly hairs. Hab. Forests. Pahang, Bukit Goh, Kwantan 

 (Foxworthy). Selangor, Dusun Tua; Weld's Hill, Kwala Lumpur 

 (Foxworthy). Perak (Scortechini). Lankawi, Gunong Raya 

 (Haniff). Distrib. Cambodia. 



(3) D. Skinneri King, I.e. 91. 



A tree 50 to 70 ft. tall. Bark warty. Buds narrow, golden- 

 silky. Branchlets pubescent. Leaves oblong-elliptic acute or 

 acuminate, base rounded, margins undulate, above glabrous except 

 the hairy midrib, beneath nerves 16 to 19 pairs prominent, hairy, 



7 to 8 in. long, 3 to 3-5 in. wide ; petioles 7 to i in. long, tomentose. 

 Panicles short, 4 in. long, pubescent. Branches 2 or 3 with 3 to 4 

 flowers each. Calyx campanulate short lobes rounded small, '5 in. 

 long, stellate tomentose, long lobes hnear-oblong -5 in. long. Petals 

 hnear-oblong, blunt longitudinally half pubescent. Fruit globose, 

 75 in. through, glabrous; wings coriaceous, linear-oblong blunt, 

 3-nerved at base, 2 outer nerves running half-way; mid-nerve 

 stouter, much-branched, 5 in. long, -5 in. wide, short lobes obovate- 

 round, -5 in. long. Hab. Forests, Province Wellesley, Tasek 



