214 
XX. DIPTEROCARPACE.E. 
[Dipier ocar pus. 
(1) D. crinitus Dyer, in Hook. fit. F.B.I. i. 296; King, l.c. 90. 
A vast tree 90 to 100 ft. tall. Young branches, petioles, under¬ 
surface 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 1*5 to 2 in. long. Racemes about 6-fiowered. Flowers 
pink, 2 in. long. Calyx glaucous glabrous. Petals puberulous 
linear blunt. Stamens 15- Fruit ovoid, glaucous glabrous, 7 5 
long, wings linear-oblong blunt, x-nerved, reticulate, 3*5 m. 
long, *5 in. wide. Hab. Forests, common. Johor, Bukit Jitan; 
Penyabong (Foxworthy); Pahang, Lipis (Phillips) ; Ben tong 
(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. Buperreanus Pierre, FI. For. Cochinchine, 14, t. 2x9. 
D. Scortechinii King, l.c. 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 i n - 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 1 in. long, 
wings linear-oblong, 6 in. long, 1 in. wade; nerves 3, reticulations 
conspicuous, minutely pustulate with stellate hairs and on nut 
with bristly hairs. Hab. Forests. Pahang, Bukit Goh, Ivwantan 
(Foxworthy). Selangor, Dusun Tua; Weld's Hill, Kwala Lumpur 
(Foxworthy). Perak (Scortechini). Lankawi, Gunong Raya 
(Haniff). Distrib. Cambodia. 
(3) D. Skinneri King, l.c. 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, hany, 
7 to 8 in. long, 3 to 3*5 in. wide; petioles *7 to 1 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 linear-oblong *5 in. long. Petals 
linear-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. wade, short lobes obovate- 
round, -5 in. long. Hab. Forests, Province Wellesley, lasek 
