50 ENUMERATION OF PHILIPPINE PLANTS 1923 



Sul.);bayuk (Tag.) ; dibual (Yak.); kabislak (Sul.) ; malibayo (Tag.); 

 rayok (Tagb.) ; talingauan (Sbl.). 



PTEROSPERMUM ELMERI Merr. in Philip. Journ. Sci. 7 (1912) Bot. 304. 



Mindanao (Davao), Elmer 11928. In thin forests, altitude about 750 

 m. Endemic. 



Local name: Bayog (Bag.). 



PTEROSPERMUM LONGIPES Merr. in Philip. Journ. Sci. 7 (1912) Bot. 

 304. 

 Camiguin de Misamis, B. S. 14-632 Ramos. In forests at low or medium 

 altitudes. Endemic. 



PTEROSPERMUM MEGALANTHUM Merr. in Philip. Journ. Sci. 14 

 (1919) 420. 



Panay, B S. 3.1269 Ramos & Edano, F. B. 25359 Achacoso. In forests 

 at low altitudes. Endemic. 



Local name: Bayog (P. Bis.). 



PTEROSPERMUM NIVEUM Vidal Rev. PL Vase. Filip. (1886) 67; Perk. 

 Frag. Fl. Philip. (1904) 113; Merr. in Philip. Journ. Sci. 1 (1906) 

 Suppl. 93. 

 Pterospermum formosanum Matsum. in Bot. Mag. Tokyo 15 (1901) 

 53. 

 Luzon (Abra to Camarines), Mindoro, Catanduanes, Mindanao (Agu- 

 san, Misamis, Zamboanga, Cotabato). Common in thin or secondary for- 

 ests at low altitudes. Formosa, Botel Tobago, Kawakami & Nakahara 

 1002, Kanehira & Sasaki. 



Local names: Baroi (Ting., Ibn., Ilk.); bariii (Ibn.) ; bayog (Tag. 

 Mbo.) ; bayok (Tag., Mag.) ; bayok-bayokan (Bik.) ; bayoi (Sbl.) ; bayug 

 (Bik.) ; bayugtin (Tag.) ; bayuk-bayukan (Bik.) ; buliluian (Tag.) ; kan- 

 tihgan (Mang.) ; kokog (Ig.) ; tamok (Tag.); tingan-tingan (Tag.). 



PTEROSPERMUM OBLIQUUM Blanco Fl. Filip. (1837) 529; Vidal Phan. 



Cuming. Philip. (1885) 98, Rev. PI. Vase. Filip. (1886) 67; Merr. 



in Philip. Journ. Sci. 1 (1906) Suppl. 93, Sp. Blancoanae (1918) 



260. 



Pterospermum semisagittatum Blanco op. cit. ed. 2 (1845) 368, ed. 



3, 2 (1879) 318, t. U56, non Ham. 

 Sczegleewia involucrata Turcz. in Bull. Soc. Nat. Mosc. 31 1 (1858) 



234. 

 Pterospermum sczegleewia Turcz. op. cit. 36 * (1863) 573; Rolfe in 



Journ. Bot. 23 (1885) 211. 

 Pterospermum rubiginosum F.-Vill. Novis. App. (1880) 28; Vidal 



Sinopsis Atlas (1883) 17, t. 19, f. A, non Ham. 

 Pterospermum blumeanum Merr. in Philip. Bureau Forestry Bull. 1 

 (1903) 37, non Korth. 

 Luzon (Ilocos Norte, Lepanto, Benguet, Ilocos Sur, Union, Pampanga, 

 Bulacan, Nueva Ecija, Bataan, Zambales, Rizal, Laguna, Tayabas), Min- 

 doro, Palawan, Burias, Samar, Guimaras, Mindanao (Zamboanga). In 

 primary forests at low and medium altitudes; often common. Endemic. 

 Local names: Agboi (Tagb.); baroi (Ilk.); batuang (Ig.) ; bayog (Tag., 

 Bag., S. L. Bis.); bayog-bayog (Sul.); bayop (Tag.); bayoi (Pamp.) ; ba- 



