J 



I 



29G XXV. DiPTEROCARPEJE. (W. T. Thiselton Dyer.) [Dipterocarjm 



ovate obtuse sinuate-crenate, base rounded, fruit-wings 5 by 1 in, linear- 

 oblanceolate 1- or sub-3-nerved. A. DC. Prodr. xvL 2, 608. 



MouLMEiN and Eangoon, GriSith, &g. ; ascendino; 3000 ft., JSranrfi'^.— Distrib. Smm. 



The compresstid youn^ branches, stipules and petioles densely hairy. Lmvet%-^\ 

 by 4-5i in., glabrous above, softly pubescent beneath, margins undulate sometimes 

 clh'ate, lateral nerves 12-14 pairs ; petioles \-\\ in. Calyx tuhe in fruit li in. diam., 

 depressed spheroidal, mouth contracted, sparsely hispid, at length glabrous, nnenlarged 

 lobes corJiiorm. Nut silkily pubescent.— Engnu. Kan.— In Indian spfci mens the mar- 

 gins of the leaves are smooth, in those from Siam, their upper surface is glabre^cent. 

 A plant collected in Pegu by Kurz differs in the'stiffiy-tomeutose young parts, subobtuse 

 leaves, and acute fruit-wings. 



4. D. hispidus, 'Thwaites Enum. 33 ; leaves broadly elliptic-oblong 

 shortly acuminate base slightly cordate sinnate-crenate, fruit-wings o oy 

 1 1 in. linear-obovate obtuse, principal nerve with 3-4 strong ascenain 

 branches. A. DC. Prodr, xvL 2, 608. 



Ceylon ; SafFragam District and Eatnapoora. ^ , ^' 



Young branches, stipules, petioles and the prominent reticulations on ^*)? ""^^ 

 surface of the leaves clothed with spreading nifous fascicled hairs. Leaves 5- .^ 

 34-7 inch. (25 by 1 1 on young trees), lateral nerves 15-24 pairs ; petiole 1-2| m. ^^^(J 

 tuhe obconic, densely pubescent, in fruit ovoid, obscurely 5-angled, glabrescent. 

 striate, glabrescent.— D. oblongtfoHus, Thw. Enum, 33 {not of Blum e). D. obiongus, 

 A. DC. Prodr. xvi. 2, 608, is said by Thwaites to have smaller leaves, but appears w 

 me in other respects indistinguishable. 



S 



5. D/pUosus, Roxb, Ilort. Bmg. 93; Fl Ind. ii, 615 : leaves elliptic- 

 oblong very shortly acuminate base acute or rounded margms wi 

 fascicled cilia, fruit-wings 6-8| by If-lf in. linear-oblong retuse usually 

 strongly 3-nerved glabrous. A. DC. Prodr. xvi 2, 614. D. Baudu, Aon . 



Vtrh. Nat. Gesch, BoL 59, t. 5 j Kurz in Journ. As. Soc. Beng. 1870, u. 00 > 

 A. DC. Prodr, I.e. 609. 



Assam, Griffith; Pegu and CmrTmomQ, Roxhurghj &c. ; Andaman Isr.., a»''^--^^ 



DisTRiB. Sumatra. ' ' ^ tahr 



Leaves 6-1 "7 



lateral nei-ves 



-' t -, t — -- -2-- Mi. ^ulyx-tuhe in fruit 2 in. long, ovoid o»* ^Dovoid, glab^ 



mouth not contracted, nnenlarged lobes orbicular. Nut densely pubescent.—An 

 I>lant collected by G. Mann has identical fruits but leaves 7 by 4 in., elliptic, ^ 

 uase rounded, minutely tawny-pubescent beneath. 



6. D. crinitus, Dtjer ; leaves obovate acute margins entire sl^|. ^ 

 recurved when dried fringed with short fascicled hairs, n^^^'^ ° 

 (immature) 3| in. linear deltoid obtuse or acute 3-nerveA , 



Malacca, i/ai»^ay.— Distrib, Borneo. , , gs ^ni 



Young branches, petioles, prominent nerves on the under surface of the le ^^^.^ j^ 

 pedicels clothed with long fascicled hairs. Leaves 4-6 by 2-3i in., coi;uiceO"s,^^^^^^ 

 liaiiy above ebpeeially on the midrib, lateral nerves 15-18 pairs; ^^^j^"^^^^ about 

 except a few fascicled hairs on the dorsal nerve; petiole U-li ip- ^^Tcted Ih^'^^ 

 6-tlowered. Calyx-tube obconic, glaucous, obovoid in immature Iruit, contrtw 

 the mouth, glabrous, unenlarged lobes broadly elliptic. V-S 



** Calyx-tuhe in fruit 5-angled or winged^ . ' ;: ' -^ 



t Angles conjlaed to the ujyper pr/rtion of the cahjx-inhe. ^''-^''^'^ 



7. 1>. comutus. Dyer ; leaves oblong rounded at both ^"^^„bove, 

 ftpiculate sinuate-crenate, calyx-tube in fruit tubercular-pentagoiii*^ 

 moutn contracted. 



^. ^ 



H H 



t ^ 



--^^'^-"""^...r 



^ ». ^ ■-;■'- . - -- ■* ' - ^ '^ - . ■ ■ ' ■- -.r^' 



% 





- ■ r , 



r 



f - 



J^'- 



^\ 





^r 



r , 



, \ 



m r 



V7 jir'ijr .-. 





— r 



h r - * 



. ■.-'■■■",:■ 



■J/ 



4^ 



i'.'l 



^ kH 







^ .► -*-■ **"^" 



