(47) F. N. WILLIAMS. LISTE DES PLANTES CONNUES DU SIAM. 27 



D. obtusifolius is stated to occur throughout the entire eastern peniusula, 

 without any specific référence to Siam. 



Three further new species are described in the récent instalment of the Flora 

 of Koh Chang (part YII) published in the Botanisk Tidsskrift. vol. XXV 

 (January, 1903). 



574. Dipterocarpus angustialatus Heini, in F K C. VII, p. 43. — Jungle 

 near the Son creek (n. 656a). The native name of this tree is «ton yang.» 



575. Dipterocarpus parvifolius Heim, in F K C. VII, p. 43. — Jungle 

 near C. Dan (n. 620 a). 



576. Dipterocarpus Sckmidtii Heim, in F K C. VII, p. 42. — Jungle 

 near C. Dan (n. 518a). 



577. Anisopteris cochinchinensis Pierre, in Lanessan, PI. Colon. Franc, 

 p. 298 (1886); et Pierre, Fl. For. Coch., t. 235a (Mars, 1890). — C. Dan, and 

 Prao creek in the jungle (nn. 225, 405. 713a) The Siamese name of this tree is 

 « ton tabak. » 



578. Anisopteris marginatoides Heim, in F K C. VII, p. 44. — In 

 jungle along Munse creek (n. 508c). 



579. Hopea aveUanea Heim, 1. c, p. 46. — Jungle near the Son creek 

 (n. 420). 



580. Hopea Schmidtii Heim. 1. c, p. 46. — Jungle near the Son creek 

 (n. 508a). 



581. Hopea siamensis Heim, 1. c, p. 46. — Jungle near the Son creek 

 (n. 508c, — sie (!), cf. n. 578 supra). 



582. Pentacme suavis var. lsevis Pierre, Fl. For. Goch., t. 225 (Mars, 

 1890). — A common tree in S. E. Asia. In the Bassac région on the right bank 

 of the Mekong (herb. Pierre, nn. 4232, 5513; Thorel, n. 3095). — F K C. VII, 

 p. 45 (January, 1903): on rocks in the jungle along Prao creek (n. 706a). 



Var. obtusifolia Heim, in F K C. VII, p. 46. — On rocks in the jungle along 

 the Majum creek, at 210 mètres (n. 595). The Siamese name for the usual form 

 of the species is «Hang». 



583. Pentacme Malayana King, Mat. Fl. Malay Penins., p. 399, es Journ. 

 Asiat. Soc. Bengal (1893). — Langkawi Island (Curtis, n. 2095). 



584. Shorea cochinchinensis Pierre, Fl. For. Goch., t. 230 (Mars, 1890). 

 — Found in Peninsular Siam, up to lat. 7°, also in Upper Siam. 



Syn. S. ialura var. cochinchinensis Pierre, in Lanessan, PI. Colon. Franc, 

 p. 302 (1886). 



585. Shorea Henryana Pierre, in Lanessan, PI. Colon. Franc, p. 302 

 (1886); et Pierre, Fl. For. Coch., I. 229 (Mars, 1890). 



Var. rigida Heim, in F K C. VII. p. 45 (January, 1903). — Jungle near 

 C. Dan (no no.) 



586. Shorea dryabalanoides Pierre. — Siam (Pierre, n. 1425). 



