XX. DIPTEROCARPACEiE. 
211 
Dryobalanops.] 
This is the original source of camphor, the Formosa Laurel-camphor 
being a discovery of much later date. (For the story of the collec¬ 
tion, Camphor language, etc., see Journ. Roy. ^ 4 $. S. Br. 26, 
P- 35 . and Journ. F.M.S. Mus. ix. 53, 59.) Timber highly valued 
for building, deep red, heavy and close in texture. Bark used by 
Malayans for walls of houses. 
(2) D. Eeccariana Dyer, Journ. Bot. 1874, p. 100, pi. 142, 
figs. 6, 7. 
Big tree. Leaves oblong-lanceolate acuminate, base rounded; 
nerves very numerous, fine and closely parallel, '2 to 3 in. long, 
'5 to 1 in. wide. Young leaves caducously scurfy on the back; 
petioles ’25 in. long. Panicles terminal and in upper axils, lax 
4 in. long. Flowers white, fragrant. Sepals lanceolate, •2 in. long, 
sub-acute. Petals thin, oblong, twice as long. Stamens half as 
long. Fruit - 5 in. long, cup very short, ’i in, long, wings linear- 
oblong, 2 in. long, *25 in. wide. Hub. Pahang, Endau River (Wat¬ 
son); Buntar, Rumpin (Foxworthy). Selangor, Rantau Panjang 
(Foxworthy). Perak, Bikum (Foxworthy). Dislrib. Borneo (Sara¬ 
wak). Native name: Keladan. 
2. DIPTEROCARPUS, Gaertn. 
Vast trees more or less stellate-pubescent. Leaves usually 
large, sometimes sinuate-crenate; lateral nerves connected by 
marginal loops. Stipules large, enclosing the terminal bud, cadu¬ 
cous. Flowers, the largest in the order, white or pink, very 
fragrant. Calyx-tube free. Petals contort at base, pubescent on 
the back. Stamens numerous; anthers linear, equivalved, acumin¬ 
ate. Ovary 3-celled; ovules 2 in each. Fruit large, enclosed in 
calyx-tube but free ; wings 2, long. Species 60, Indo-Malaya. 
The timber is inferior. The resin takes the form of wood-oil 
and is obtained by cutting a large hole in the tree-trunk and burning 
it within. It is known as Minyak Keruwing. 
Ripe fruit globose, not angled or winged. 
Young branches, petioles and nerves stiffly hairy. 
Fruit quite glabrous ..... 
Fruit stellate hairy ..... 
Young branches and leaves pubescent 
Branches glabrous ..... 
Ripe fruit ■with 5 tubercles on top, globose 
Ripe fruit oblong, 4-angled, glabrous 
Ripe fruit oblong, 4-angled, grey-velvety 
Ripe fruit prominently 4-winged. 
Leaves glabrous; fruit very large winged to base 
Leaves glabrous; fruit large not winged to base . 
Leaves hairy beneath; fruit unknown 
Leaves pubescent on nerves small; fruit small 
pubescent ...... 
(1) D. crinitus 
(2) D. Duperreanus 
(3) D. Skinneri 
(4) D. Kerrii 
5) D. cornutus 
( 6 ) D. fagineus 
(7) D. oblongifolius 
( 8 ) D. grandiflorus 
(9) D. Kunstleri 
(10) D. rigidus 
(n) D. costatus 
