848 ENUMERATION OF PHILIPPINE PLANTS 1a 
8. HEBONGA Radlkofer 
HEBONGA MOLLIS Radlk. in Philip. Journ. Sci. 6 (1911) Bot. 367; Boas 
Beitr. Anat. Syst. Simarub. (1912) 49, Fedde Repert. 13 (1914) 
290. 
Mindanao (Zamboanga), F’. B. 9443 Whitford & Hutchinson. In forests 
at low altitudes. Endemic. 
HEBONGA OBLIQUA Radlk. in Philip. Journ. Sci. 6 (1911) Bot. 366; Boas 
Beitr. Anat. Syst. Simarub. (1912) 49, Fedde Repert. 13 (1914) 
290. 
Mindoro, Merrill 2176, Hickman 6. In forests at low altitudes. The 
material is very incomplete and is remarkably suggestive of Ailanthus phil- 
ippinensis Merr.; the fruits are unknown. Endemic. A third species of 
the genus occurs in Siam. 
Local name: Hebong (Tag.). 
9. AILANTHUS Desfontaines 
AILANTHUS BLANCO! Merr. Sp. Blancoanae (1918) 205. 
Ailanthus pongelion Blanco FI. Filip. (1887) 380, ed. 2 (1845) 268, 
ed. 3, 2 (1878) 134, non Gmel. 
Ailanthus malabarica F.-Vill. Novis. App. (1883) 349, non DC. 
Luzon (Laguna), F. B. 20881 Villamil, 2500 Mabesa, 22337 Mariano, 
20350 Celestino, Merrill Sp. Blancoanae 606. In forests and along 
mountain streams at low altitudes. Endemic. 
Local names: Balokas (Tag.); makaisa (Tag.); malasapsap (Tag.). 
AILANTHUS PHILIPPINENSIS Merr. in Govt. Lab. Publ. (Philip.) 35 
(1906) 25, Philip. Journ. Sci. 1 (1906) Suppl. 70, 2 (1907) Bot. 
431, excl. syn. Blanco. 
Ailanthus moluccanus Merr. in Philip. Bureau Forestry Bull. 1 (19038) 
27, non DC. 
Luzon (Laguna, Camarines, Tayabas), Palawan, Merrill 2137, Ahern 
93, F. B. 3847 Curran, 20972, 20973 Villamil. In forests at low altitudes. 
Endemic. 
Local names: Empau (Tagb.); kalauag (Bik.); malaaduas (Tag.); 
makaisa (Tag.). 
BURSERACEAE 
1. PROTIUM Burman f. 
PROTIUM CONNARIFOLIUM (Perk.) Merr. in Philip. Journ. Sci. 10 
(1915) Bot. 30. 
Canarium connarifolium Perk. Frag. Fl. Philip. (1904) 92. 
Protium philippinense Elm. Leafl. Philip Bot. 7 (1915) 2571. 
Palawan, B. S. 548, 866, 787, 758, 754 Foxworthy, F. B. 21604 Agama, 
Merrill 787, Elmer 12760, 18225. In forests along streams at low altitudes. 
Endemic. 
Local name: Marangub (Tagb.). 
