Vol. 3 DIPTEROCARPACEAE 101 



Mindanao (Agusan, Davao), Elmer 14-066, F. B. 27471 De Mesa. In 

 primary forests at low altitudes; doubtfully distinct from P. malaanonan 

 (Blanco) Merr. Endemic. 



Local names: Bagtikan (Bag.); lauaan (Bag.). 



7. ISOPTERA Scheffer 



ISOPTERA BORNEENSIS Scheff. ex Burck in Ann. Jard. Bot. Buitenz. 

 6 (1887) 222; t. 8; King in Journ. As. Soc. Beng. 52 2 (1893) 129; 

 Brandis in Journ. Linn. Soc. Bot. 31 (1895) 106; Foxw. in Philip. 

 Journ. Sci. 13 (1908) Bot. 194, t. 1. 

 Hopea ovalifolia Foxw. in Philip. Journ. Sci. 6 (1911) Bot. 263, 13 

 (1918) Bot. 183, non Boerl. 

 Mindanao (Zamboanga), F. B. 23829, 23839 Oliver os, 22683 Belin & 

 Acuna, 9374, 9133 Whitford. In primary forests at low altitudes. A 

 monotypic genus. Malay Peninsula, Bangka, Borneo. 

 Local names: Gisok-takpang (Sul.) ; yakal (Chab.). 



8. BALANOCARPUS Beddome 



BALANOCARPUS BRACHYPTERUS Foxw. in Philip. Journ. Sci. 13 

 (1918) Bot. 195. 

 Mindanao (Zamboanga), F. B. 21895, 23832 Villamil. In primary 

 forests at low altitudes. Endemic. 



BALANOCARPUS CAGAYANENSIS Foxw. in Philip. Journ. Sci. 13 (1918) 

 Bot. 194, t. 2. 



Luzon (Cagayan, Apayao), F. B. 19987, 204-53, 204-54 Bernardo, 27372 

 Alejandro. In primary forests at low altitudes. Endemic. 



Local names: Narek (Ibn.) ; narig (Neg., Ibn.) ; narik (Ibn., Ilk.). 



9. VATICA Linnaeus 



VATICA BLANCOANA Elm. Lean. Philip. Bot. 4 (1912) 1473; Foxw. in 

 Philip. Journ. Sci. 13 (1918) Bot. 196. 



Palawan, Mindanao (Zamboanga), Basilan, Elmer 13123, 12754, F. B. 

 18916, 18247, 18963 Miranda, U24-0 Tarrosa, 13779, 13285, 13283 Foxworthy, 

 De Mesa, & Villamil, F. B. 16106 Reillo. In primary forests at low or 

 medium altitudes. Endemic. 



Localnames: Lutab (Sul.); narig (Sul.); tampussuk (Sul.). 



VATICA MANGACHAPOI Blanco Fl. Filip. (1837) 401; A. DC. Prodr. 16 2 

 (1868) 623; Vidal Sinopsis Atlas (1883) 15, t. 1\5, f. B, Rev. PI. 

 Vase. Filip. (1886) 61; Brandis in Journ. Linn. Soc. Bot. 31 (1895) 

 134; Merr. in Govt. Lab. Publ. (Philip.) 27 (1905) 22, Philip. 

 Journ. Sci. 1 (1906) Suppl. 98, Sp. Blancoanae (1918) 272; Whit- 

 ford in Philip. Bureau Forestry Bull. 10 2 (1911) 76, t. 81; Foxw. 

 in Philip. Journ. Sci. 6 (1911) Bot. 282, 13 (1918) Bot. 196. 



? Mocanera mangachapoi Blanco Fl. Filip. (1837) 450. 



Vatica apteranthera Blanco op. cit. ed. 2 (1845) 281; ed. 3, 2 (1878) 

 156. 



? Dipterocarpus mangachapoi Blanco op. cit. ed. 2 (1845) 313, ed 3, 

 2 (1878) 216. 



Shorea mangachapoi Blume Mus. Bot. Lugd.-Bat. 2 (1852) 34; F.-Vill. 

 Novis. App. (1880) 21. 



