Dipterocarpus. ] DIPTEROCARPEJJ. S3 



gives P = 758 ; Skinner 750. The timber is very largely used in Burma for building, 

 canoes, and house posts. It gives no wood-oil, but a clear yellow resin. 



B 2505. Burma (18G2) 50 



B 306. (1867) 52 



B 2 ISO. 59 



5. D. alatus, Roxb. Fl. Ind. ii. 014; Hook. Fl. Ind. i. 293; Kurz 

 i. 116. Vern. Gurjun, Beng.; Kanyin, kanyin-pyoo, Burm. 



A very large tree with grey bark. Sapwood white ; hearfcwood reddish 

 grey, moderately hard, smooth, mottled. Pores scanty, lar^e, often oval 

 and subdivided. Medullary rays undulating, short, fine and moderately 

 broad, not prominent. Pores prominent on a longitudinal section. 



Chittagong, Burma and the Andaman Islands. 



Weight: Brandis in Burma List, 1862, No. 11, gives 38 Ibs. ; our specimen gives 

 50 Ibs. ; Bennett, No. 9, Andaman woods, (Kanyin), gives Weight 49 tbs., P = 727. The 

 wood is used for house-building and canoes, but is not durable. 



U)8. 



B 818. Burma 50 



B 2243. Andarnans (1866) (rather eaten) 38 



6. D. zeylanicus, Thwaites Enum. 33; Hook. Fl. Ind. i. 297; 

 Beddome xxv. Vern. Hora, Cingh. 



Heartwood red, moderately hard. Pores moderate-sized to very large. 

 Medullary rays fine and moderately broad, frequently bending. 

 Ceylon, up to 3,000 feet. 



Weight, 45 Ibs. per cubic foot. Wood used for building. It gives a wood-oil and 

 gum resin. 



Ibs. 

 No. 37. Ceylon collection 45 



E 720 is a wood sent from Chittagong under the name Michamma. In structure 

 it resembles Dipterocarpus, and differs chiefly by the very numerous, very fine, equi- 

 distant medullary rays. The pores are joined by white, wavy concentric lines. The 

 wood is interrupted by concentric belts of fibrous substance resembling liber, about % 

 inch thick. 



E 1257. (43 Ibs.) from Tezpur, Assam, has the structure of Dipterocarpus. 



E 1960. (37 Ibs.) Vern. Lowa, Beng. ; Chakyai, Magh, from Chittagong, is 

 probably a species of Dipterocarpus : it is distinguished by numerous broad and fine 

 medullary rays, and moderate-sized, often subdivided pores. 



2. VATICA, Linn. 



Six species. V. grandiflora, Dyer ; Hook. Fl. Ind. i. 301 (Anisoptcra odorata, 

 Kurz i. 112. Hopea grandiflora, Wall.) is a deciduous tree of Martaban and 

 Tenasserim, where also are found V. faginea, Dyer ; Hook. Fl. Ind. i. 301, and 

 V. Helferi, Dyer; Hook. Fl. Ind. i. 301 (Shorea Heifer i, Kurz i. 119). V. scaphnla, 

 Dyer; Hook. Fl. Ind. i. 301 (Hopea scapkula, Roxb. Fl. Ind. ii. 611 ; Kurz i. 121). 

 Vern. Boilshura, Beng., is a tree of Chittagong, especially on Mascal island, whose 

 trunk is used for making canoes. V. Roxburghiana, Bl. ; Hook. Fl. Ind. i. 302 ; 

 Beddome ^t. 95. Vern. Mendora, Ciugh., is a large tree of the Western Coast and 

 Ceylon, yielding a gum resin. 



1. V. lancesefolia, BL; Hook. Fl. Ind. i. 302; Kurz i. 122; Roxb. 

 Fl. Ind. ii. 60 1. Veru. Morkal, Ass.; Moal, Sylhet; Pantliitya, Burm. 



A large tree. Heartwood red, rough, hard. Pores small, numerous, 

 uniformly distributed. Medullary rays fine, not distinct. 



Eastern Himalaya, Assam, Eastern Bengal, Chittagong and Burma. 



If this is Skinner's No. 131 ( Valeria laneccefolia, Vern. Let-touk, Burai.) the weight 

 is 58 Ibs. and P = 931 ; Wallich gives 54 Ibs. ; our specimens 35 to 52 Ibs. per cubic foot. 



