VoL 3 COMPOSITAE 613 



Throughout the Philippines at low and medium altitudes, in open waste 

 places. A ubiquitous pantropic weed of American origin. 

 Local name: Fantankuen (Ilk.). 



38. GLOSSOGYNE Cassini 



GLOSSOGYNE TENUIFOLIA Cass. Diet. Sci. Nat. 51 (1827) 475; DC. 



Prodr. 5 (1836) 633; F.-Vill. Novis. App. (1880) 119; Vi.dal Phan. 



Cuming. Philip. (1885) 112, Rev. PL Vase. Filip. (1886) 163; 



Elm. Lean. Philip. Bot. 1 (1906) 175. 

 Bidens tridentata Turcz. in Bull. Soc. Nat. Mosc. 24 (1851) 183. 

 Bidens denudata Turcz. 1. c. 

 Glossogyne tridentata F.-Vill. Novis. App. (1880) 163; Vidal Phan. 



Cuming. Philip. (1885) 112, Rev. PI. Vase. Filip. (1886) 163. 



Luzon (Cagayan, Ilocos Norte, Benguet, Nueva Vizcaya), Mindanao 

 (Cotabato), Adduru 81, Merrill 158, 4678, B., S. 8169, 33449, 27382 Ramos, 

 31951 Santos, 11208 McGregor, F. B. 15513 Merritt & Barling. On open 

 grassy slopes at low and medium altitudes, ascending to 2,000 m. Southern 

 China, Hainan, Formosa, Pescadores, Marianne and Caroline Islands, Aus- 

 tralia, and New Caledonia. 



Local name: Ahguad (Ig.). 



39. GUERREROIA Merrill 



GUERREROIA MONOCEPHALA Merr. in Philip. Journ. Sci. 12 (1917) 

 Bot. 118, t. 2. 



Luzon (Ilocos Norte), B. S. 27526, 32924 Ramos. In dry open places at 

 low and medium altitudes. A monotypic endemic genus. 



40. BIDENS Tournefort 



BIDENS B1PINNATA Linn. Sp. PI. (1753) 832; DC. Prodr. 5 (1836) 603; 

 Merr. & Rolfe in Philip. Journ. Sci. 3 (1908) Bot. 126. 

 Bidens pilosa Linn. var. bipinnata Hook. f. Fl. Brit. Ind. 3 (1881) 309. 



Luzon (Benguet), Merrill 4308. On dry open slopes, altitude about 

 1,300 m. All warm countries. 



BIDENS LEUCORRHIZA (Lour.) DC. Prodr. 5 (1836) 605. 

 Coreopsis leucorrhiza Lour. Fl. Cochinch. (1790) 508. 

 Bidens chinensis Willd. Sp. PL 3 (1804) 1719; O. Schulz in Engl. 



Bot. Jahrb. 50 (1914) Suppl. 178; Merr. Interpret. Herb. Amb. 



(1917) 501, Sp. Blancoanae (1918) 380. 

 Bidens bipinnata Blanco Fl. Filip. (1837) 623, ed. 2 (1845) 435, ed. 3, 



3 (1879) 12, non Linn. 

 Bidens leucantha Usteri Beitr. Ken. Philip. Veg. (1905) 120, non Willd. 

 Bidens pilosa Vidal Phan. Cuming. Philip. (1885) 122, Rev. PL Vase. 



Filip. (1886) 163, non Linn. 



Batan Islands and northern Luzon to Palawan and Mindanao, B. S. 

 7671, 8249, 8212, 33215, 27209 Ramos,, 31656 Santos, 345 Bermejos, 11469 

 McGregor, 17706 Otanes, Loher 3626, Merrill 4311, 3335, 3647, 10475, Sp. 

 Blancoanae 414- In open waste places, thickets, etc., from sea level to an 

 altitude of 2,300 m. Old World Tropics, often confused with B. pilosa 

 Linn. 



Local names: Ahguar (Gad.); anguat (Ig.) ; drakap (Sub.); ilaud 

 (Bon.) ; inaian-di-onuard (If.) ; puriket (Ilk.) ; purpurikit (Ilk.) ; pulut 

 (Ig.) ; tagab (Tag,); tubak-tubak (P. Bis.); unuad-an-paio (If.). 



