VoL 3 RUBIACEAE 497 



sub Spermacoce. Along streams in forests at low altitudes. Burma, Ma- 

 lay Peninsula. 



HEDYOTIS COSTATA (Roxb.) Kurz in Journ. As. Soc. Beng. 45 2 (1876) 

 135; Merr. in Philip. Journ. Sci. 8 (1913) Bot. 38. 

 Spermacoce costata Roxb. Hort. Beng. (1814) 10, nomen nudum, Fl. 



Ind. 1 (1820) 376. 

 Metabolus lineatus Bartl. in DC. Prodr. 4 (1830) 435. 

 Hedyotis vestita R. Br. in Wall. Cat. (1829) 847, nomen nudum; G. 

 Don Gen. Syst. 3 (1834) 526; Hook. f. Fl. Brit. Ind. 3 (1880) 58; 

 F.-Vill. Novis. App. (1880) 106; Vidal Phan. Cuming. Philip. (1885) 

 118, Rev. PL Vase. Filip. (1886) 151; Elm. Leafl. Philip. Bot. 3 

 (1911) 975. 

 Metabolus caeruleus Blume Bijdr. (1826) 992. 

 Luzon (Rizal, Laguna, Camarines, Sorsogon), Culion, Busuanga, Pa- 

 lawan, Mindanao (Surigao, Bukidnon, Lanao), Merrill 541, 5248, Loher 

 6349, Elmer 15792, 17158, B. S. 3352, 5209, 10991, 41277 Ramos, 15725 

 Fenix, 33582 Ramos & Edano. In open grasslands and thickets at low 

 altitudes. India, through Malaya to the Moluccas. 



HEDYOTIS DIFFUSISSIMA Merr. in Philip. Journ. Sci. 17 (1920) 429. 



Luzon (Ilocos Norte, Apayao), B. S. 283-87 Fenix, 33292 Ramos. In 

 primary forests, altitude about 1,000 m. Endemic. 



HEDYOTIS ELMERI Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 127, 2 

 (1907) Bot. 302; Elm. Leafl. Philip. Bot. 3 (1911) 974. 

 Oldenlandia stylosa Elm. Leafl. Philip. Bot. 1 (1906) 19, non R. Br. 



Luzon (Zambales, Bataan, Laguna, Tayabas) , Elmer 6834, 6979, 9198, 

 Merrill 3227, Phil. PI. 786, Whitford 964, 151, B. S. 2531, 2557, 2554, 2532 

 Foxworthy, F. B. 21,13, 793 Borden, 22W Meyer. In the mossy forest, 

 altitude 1,000 to 2,200 m. Endemic. 



HEDYOTIS EUCAPITATA Merr. in Philip. Journ. Sci. 2 (1907) Bot. 

 303; Elm. Leafl. Philip. Bot. 3 (1911) 974. 

 Mindoro, Merrill 5726, F. B. 4417, 4430 Merritt. In the mossy forest> 

 altitude 1,500 to 1,800 m. Endemic. 



HEDYOTIS FILIFOLIA (Elm.) comb. nov. 



Oldenlandia filifolia Elm. Leafl. Philip. Bot. 1 (1906) 64; Merr. in 

 Philip. Journ. Sci. 1 (1906) Suppl. 126. 

 Luzon (Bataan), Merrill 3295. On bluffs along the seashore. Endemic. 



HEDYOTIS GITINGENSIS Elm. Leafl. Philip. Bot. 3 (1911) 979. 



Sibuyan, Panay, Elmer 12434, B. S. 35329, 35385 Martelino & Edano. 

 In primary forests at low or medium altitudes, ascending to 800 m; scarcely 

 more than a narrow-leaved form of H. rigida Miq. Endemic? 



HEDYOTIS HUMILIS Merr. in Philip. Journ. Sci. 8 (1913) Bot. 33; Elm. 

 Leafl. Philip. Bot. 5 (1913) 1859. 



Camiguin de Misamis, Mindanao (Agusan), B. S. 14691, 14497 Ramos, 

 Elmer 14093, 14159. In the mossy forest above 1,000 m altitude. En- 

 demic. 



Local name: Bagtong (Mbo.). 



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