Vo] - 3 ASCLEPIADACEAE 351 



Cyrtoceras reflexum Benn. PI. Jav. Rar. (1838) 90, t. 21; Lindl. Bot. 



Reg. 26 (1840) Misc. 7. 

 Cyrtoceras lindleyanum Miq. Fl. Inch Bat. 2 (1857) 515. 

 Hoya lindleyana F.-Vill. Novis. App. (1880) 135. 



Babuyan Islands, Luzon (most or all provinces), Polillo, Mindoro, Mas- 

 bate, Tablas, Samar, Panay, Siargao, Dinagat, Mindanao. Epiphytic or 

 pseudoepiphytic on trees in primary forests at low and medium altitudes. 

 Burma, Malay Peninsula, Sumatra, Java, and Borneo. 



Local names: Dapong-baba (Tag.); kapal (Tag.); kulili (Tag.); ma- 

 ngagau (C. Bis.); tigbud (C. Bis.). 



21. CONCHOPHYLLUM Blume 



CONCHOPHYLLUM ELMERI Schltr. in Fedde Repert. 13 (1915) 561. 



Mindanao (Davao), Copeland 1270, Elmer 10670. In thickets or for- 

 ests. Endemic. 



Local name: Salibutbut (Bag.). 



22. HOYA R. Brown 



HOYA BENGUETENS1S Schltr. in Philip. Journ. Sci. 1 (1906) Suppl. 

 301; Merr. op. cit. 3 (1908) Bot. 429. 



Luzon (Benguet), Elmer 5979, B. S. 2854 Mearns, 21290 Sandkuhl. In 

 thickets or forests, altitude 1,200 to 1,600 m. Endemic. 



Local name: Umum (Ig.). 



HOYA BILOBATA Schltr. in Philip. Journ. Sci. 1 (1906) Suppl. 301. 



Luzon (Laguna), Mindanao (Zamboanga, Davao), Copeland 4-20, B. S. 

 10046, 15106, 16650 Ramos, F. B. 4824 Hutchinson. On trees at low al- 

 titudes. Endemic. 



HOYA BORDEN 1 1 Schltr. in Philip. Journ. Sci. 1 (1906) Suppl. 302. 



Luzon (Benguet, Pangasinan, Bulacan, Bataan, Cavite, Tayabas, Sor- 

 sogon), F. B. 1213 Borden, B. S. 29900 Fenix, 34132 Ramos & Edano, 

 22557 Ramos & Deroy, Elmer 15829, 16165. On trees in primary forests 

 at low and medium altitudes. Endemic. 



HOYA CAM PHORI FOLIA Warb. in Perk. Frag. Fl. Philip. (1904) 129. 



Luzon (Benguet, Tayabas, Sorsogon), Mindoro, McGregor 334, B. S. 

 14082 Robinson, B. S. 29092 Ramos & Edano, Elmer 15803, 15244- In 

 forests at low and medium altitudes, ascending to 1,200 m. Endemic. 



HOYA CARDIOPHYLLA Merr. in Philip. Journ. Sci. 17 (1920) 310. 



Dinagat, B. S. 25160 Ramos & Pascasio. On trees at low altitudes. 

 Endemic. 



HOYA CUMING1ANA Decne. in DC. Prodr. 8 (1844) 636; Miq. Fl. Ind. 



Bat. 2 (1857) 517; F.-Vill. Novis. App. (1880) 135; Vidal Phan. 



Cuming. Philip. (1885) 127, Rev. PI. Vase. Filip. (1886) 189; 



Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 119, 5 (1910) Bot. 379. 



Luzon (Benguet, Bontoc, Bataan, Rizal, Camarines), Mindoro, Ticao, 



Palawan, Cuming 1480, Merrill 6352, 9435, 11562, Elmer 6419, Whitford 



