90 
Leaves with 8 to 10 pairs of nerves. 
All parts quite glabrous ... ... 5. D. Kertxi. 
Ripe fruit with 5 angular tuberosities on its 
upper portion ... ... ... 6. D. corntttus. 
Ripe fruit 5-angled : 
Calyx-tube glabrous ; leaves 2*5 to 3*25 in. 
long ... ... ... 7. R.jagineus. 
Calyx-tube densely stellate-tomeutose ; 
leaveB 6 to 8 in. long ... ... 8. D. ohJomjifoling. 
Ripo fruit with its 5 angles produced into wings : 
Leaves glabrous : 
Young branches at first scurfy-puberulous, 
ultimately quite glabrous : buds ovoid, 
minutely pale canescent ... 9. D. grandhlorus. 
Young branches as in the last, but with 
conspicuous tawny-tomentose, oblique 
aunuli ■ buds cylindric, hoary-canes- 
ront ... ... ... 10. D. Kntistler-i. 
Young branches minutely tawny-pubes- 
cent, not annulated and never gla- 
brous ; buds ovoid, densely sericeous 11. D. Grijjilhii. 
Leaves minutely stellate-pubescent on the 
lower surface : 
Flowers about 1 in. long ; leaves with 
rounded or sub-cordate bases ; young 
branches very stout, with ovoid buds : 
the accrescent lobes of the calyx 
1*5 in. broad ... ... 12. J), incanns. 
Flowers 1*5 in. long ; leaves with rounded 
or cuncatc, not sub-cordate, bases : 
young branches moderately stout with 
cylindric buds : accrescent calyx-lobes 
■7 to '8 in. broad ... ... 13. P. alatus. 
1. Dipterocari'CS citiNiTUS, Dyer in Hook, fit FL Br. Ind. I. 296. 
A tree 90 to 150 feet high : young branches, petioles, under surface of 
midrib and nerves, pedicels and outer surface of bracts of inflorescence 
clothed with stiff yellowish-brown fascicled hairs. Leaves very coria- 
ceous, ovate or more usually obovate, acnte, the base rounded or sub- 
acute ; the edge entire, fringed with fascicled hairs, recurved (at least 
when dry) ; both surfaces sparsely hispid when young, glabrescent when 
old ; main nerves 12 to 18 pairs, spreading, rather straight, very 
prominent on the lower, depressed on the upper, surface; length 3 to 
5 in., breadth 1*75 to 2*75 in., petiole 1 to 125 in. Racemes about 6- 
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