298 xxv. DIPTEROCARPE^:. (W. T. Thiselton Dyer.) [Diptero carpus. 



12. D. scabridus, Thwaites Enum. 34 ; leaves elliptic-oblong acuminate 

 base rounded margins ciliate, calyx-tube in fruit subglobose with distant 

 stellate hairs angles with undulate wings in. wide reaching to the pedicel. 

 A. DC. Prodr. xvi. 2, 612. 



CEYLON ; near Ratnapoora, Thwaites. 



Young branches, petioles, and the under surface of the midrib with appressed hairs. 

 Leaves about 7 by 2f-3 in., glabrous above, glabrescent beneath except on the midrib 

 and nerves, lateral nerves 12-15 pairs ; petiole in. Fniit-iciitys (calyx-lobes) 4 by I in. 

 linear-lanceolate, obtuse. 



13. D. alatus, Roxb. Hort. Beng. 42; Fl. Ind. ii. 614; leaves ovate or 

 elliptic acute, calyx-tube in fruit globose angles with wings | in. broad. 

 1 1'"//. Cat. 953; A. DC. Prodr. xvi. 2, (il 1 /// ^u-t. D. cost at us, Qasrtn.f. 

 Fruct. iii. 50, t. 187 (bad). D. gonopterus, Turcz in MOKC. Hull. 1863, f>7G ; 

 A. DC. Prodr. xvi. 2, 612. Oleoxylon balsam iferum, Wall. Cat. p. \:>1. 



CHITTAGCWG, BIKMA, TENASSKKIM. ANDAMAN IH.\XD<. Dirsiinn. Siarn. 



VouiiL r branches compressed, pubescent. Leaves 5 by 3 in., shining above, more or 

 less pubt-scent beneath, margins ciliate, lat ral nerves If) pairs: petiole 1| in.. softly 

 pubescent-hairy ; stipules pilose. Itacemes about 7-tlowered. ('(/l//.i--t>ihr in fruit 1 in. 

 diaiii., smooth, fruit-wings , ealvx lohes) 4 f> bv 1 in., linear-ovate or spathulate, obtuse, 

 3 nerved, mienlarged lobes orbicular. Kainin. (ia-rtnei's figure is had as is sh<>\. n by 

 Hamilton's spe -iini-ns in the llanksian Herbarium, from which it appears to have been 

 drawn ; his specific name suits the drawing, but is inapplicable to the species. 1 have 

 therefore adopted Koxburgh's. 



14. D. incanus, Hu.rb. /fort. Hen<i. 42; FL Ind. ii. 614; leaves ovate 

 obtuse. W. & A. J'ru,lr. ^ A. DC. Prodr. xvi. -2, fill. 



( 'IIITTAGONO, 7?o./ l/n-(/!>: PKOT, A'///-:. 



Yonn^ parts and cmnjiressed branches softly hairy-pubescent. Leaves 6 by 4J 

 in., tlrnly pubescent on both surfaces, margins ciliate, lateral nerves 12 pairs, pubescent 

 beneath ; petiole 2 in., softly pubescent. < 'aii/.c-tuhi- (in flower) softly pubescent, strongly 

 winged. 



15. D. insig-nis, Tlurnit^ Kmnn. ;U ; leaves ovate apiculate base obtuse, 

 il\vers subsessilc, calyx-tube in fruit narrowly ovoid, angles \vitli wings 

 4 in. wide mouth scarcely contracted, fruit-wings (calyx-lobes) with one 

 principal nerve. A. l>(\ Prodr. xvi. 2, 612. 



CETLOH; Saffragam district, 



Young bran lies densely pubescent ultimately plabrescent. Leaves 4-6 by 2|-3in. 

 glabrous above, pubescent or glabrous on the nerves i eneath, margins sinuate-eremite, 

 lateral nerves 11 pairs; petiole -f in., silky-puliescent, linally transversely rugose. 

 Jitn-vntes 3-5 flowered. Floir< /-.% large. Petals 2J in. long, yellow on the inner, roidish 

 on the outer margin. Calyx-tube in fruit about 1 in. long; immature fruit-wings 

 (calyx-lobes) 2f-f in., linear-oblong, obtuse. 



16. D. pteryg-ocalyx, Scheff. Obs. Phyt. ii. 35 ; leaves elliptic ovate or 

 oblong-ovate shortly and abruptly acuminate base truncate, calyx-tube in 

 fruit ovoid angles with wings nearly \ in. wide mouth slightly contracted, 

 fruit wings (calyx-lobes) sub-3-nerved central nerve prominent. 



MALACCA, Maingay. DISTRIB. Banca. 



Young branches subcompressed with deciduous canescence. Leaves 4-10 by 3-5 in., 

 glabrous on both surfaces, margins sinuate-crenate and undulate, lateral nerves about 

 18 pairs, rather remote ; petiole 2-3 in. ; stipules pale, glabrous. Racemes about 

 5-flowered. Calyx-tube in fruit 2 in. long, glabrous; fruit-wings 7 by l-2 in., linear- 

 oblong, obtuse, unenlarged lobes broadly ovate or orbicular. 



