Dipterocarpus.} xxv. DIPTEROCARPE^E. (W. T. Thiselton Dyer.) 209 



17. D. G-riffithii, Miq. Ann. Mus. Bot. i. 213 ; leaves ovate acute base 

 rounded, calyx-tube in fruit oblong ovoid angles with wings fully \ in. 

 wide mouth uncontracted, fruit-wings with 3 parallel approximate nerves. 

 A. DC. Prodr. xvi. 2, 612. D. grandiflorus, Griff. Notul. iv. 515, not of Wall. 



MERGUI, Griffith; SOUTH ANDAMAN ISLAND, Kwz. 



Young brandies subcompressed, canescent. Leaves 6 by 4 in., glabrous on both sur- 

 faces, lateral nerves about 13 pairs; petiole 2-2^ in.,; stipules canescent. Racemes 

 3_4-flowered. Calyx-tube in fruit 2-3 in. long; fruit- wings (calyx-lobes) 5^-6 by 

 1-lf in., linear-spathulate, obtuse, sparingly reticulate, uncharged lobes broadly del- 

 toid. Distinguished from D. pterygocalyx by the distinctly 3-nerved calyx- wings, and 

 the unenlarged calyx-lobes not being contracted at the base. D. Motleyanua, Hook, f., 

 from Borneo, is closely allied. 



DOUBTFUL SPECIES. 



D. ANGUSTIFOLIUS, W. & A. Prodr. 84 ; D. costatus, Boxb. PL Ind. ii. 613 (not of 

 Gcertn. ) . Chi ttagong. 



2. ANCISTROCLADUS, Wall. 



Smooth climbing shrubs with short supra-axillary often arrested and 

 circinately hooked branches. Leaves usually in terminal tufts, coriaceous, 

 entire, reticulately feather-veined ; stipules small, caducous or incon- 

 spicuous. Flowers usually small, very caducous, in terminal or lateral 

 panicles. Calyx-tube at first very short, adnate to the base of the ovary 

 with imbricate lobes, finally turbinate and adnate to the fruit with the lobes 

 unequally enlarged, spreading and membranous. Stamens 5 or 10, subpe- 

 rigynous. Ovary 1-celled, inferior ; styles 3, articulated to a rounded or 

 shortly cylindrical epigynous disk; ovule solitary, erect or laterally affixed. 

 Seed subglobose, testa prolonged into the ruminations of the copious fleshy 

 albumen ; embryo short, straight ; cotyledons short, divergent. DISTRIB. 

 Except A. guineensis in W. Tropical Africa confined to Tropical Asia and the 

 Indian Archipelago. Species about 10. 



* Leaves less than 4 times as long as wide. 

 t Stamens 5. 



1. A. Vahlii, Arn. in Nov. Act. Nat. Cur. xviii. pt. i. 325. Thw. in Trans. 

 Linn. Soc. xxi. 233, t. 24. Wormia hamata, Vahl in Scrift. Nat. Selsk. 

 Kjobenk. 6, 105. 



CEYLON ; Central and Southern part, ascending to 2000 ft. 



Leaves 4 by l-l in., sessile, cuneate-oblanceolate, obtuse. Panicle about twice 2- 

 chotomous ; divisions slender. Calyx-tube finally 4 in. long, exceeding the fruit, obconic, 

 pentangular ; enlarged lobes 1 in. long, oblong obtuse, obscurely parallel-nerved. 



ft Stamens 10. 



2. A. extensus, Wall. Cat. 1052 (1) ; panicle repeatedly 2-chotomous, 

 divisions divaricate recurved, calyx-tube equalling the flat-topped fruit not 

 furrowed, lobes slightly decurrent. Planck, in Ann. Sc. Nat. '3rd ser. xiii. 

 318. Ancistrolobus sp., Griff. Notul. iv. 568 ; Ic. t. 605, fig. ii. 



PEGU and TENASSKRIM, Wallick, Heifer, &c. 



Leaves 5-12 by 2-34 i n -> sessile, obovate-oblong, subobtuse or acute, narrowed below. 

 Bracts ovate, acute. Calyx-lobes 1^ in. long, cuneate-obovate with about 3 sub- 

 parallel nervules. 



3. A. Heyneanus, Wall Cat. 7262 ; panicle about twice 2-chotomous, 

 calyx-tube furrowed exceeded by the conical apex of the fruit, lobes not 

 decurrent. Wight Ic. 1987-88 ; A. DC. Prodr. xvi. 2, 602. 



