138 



2. MOMORDICA Linn. 



1. M. charantia Linn.; Cogn. 1. c. 436. 



( 1!)47 Borden) October; (7016 Elmer) Novoniber. Jn open waste places and 

 cnltivatecl grounds. Tropics generally. T., Ampalaya. 



3. TRICHOSANTHES Linn. 



1. T. cucumerina Linn.; Cogn. 1. c. 357. 



(3W9 Merrill ) October ; (\d49 Borden) October. In tliickets near the seasliore. 

 Tropical Asia, Malaya, and Australia. 



2. T. quinquangulata A. Gray; Cogn. 1. c. 378. 



(Merrill). In thickets along the river below 100 m. Endemic. 

 Cogniaux apparently was unable definitely to locate the origin of this species, 

 as he cites "In ins. Mangsi 'in the Sooloo Sea' (sec. Asa Gray)." Mangsi Island, 

 ^« or rather islands, written on modern maps "Mangsee," are two small islets in 

 the western extremity of the Sulu or Jolo Sea, in the Balabac Strait between 

 the Islands of 13alabac and Borneo, and politically at least belong to the Philip- 

 pine Archipelago. 



4. LUFFA Linn. 



1. L. cylindrica (Linn.) Roem.; Cogn. 1. c. 456. 



(2034 Borden) October; (7019 Elmer) November. \n thickels below 100 m., 

 widely distributed in the Philippines. Tropics generally. 



5. GYNOSTEMMA P.lume. 



1. G. integrifoliola Cogn. 1. c. 917. 



(2425 Meyer) January; (0094 Elmer) November. In thickets below lUO m. 

 Endemic. 



C0MP0SIT7E. 



1. CENTRATHERUM Cas.s. 



L C. fruticosum Vid. Ilev. PI. Vacs. Filip. (1886) 159. 

 (Whilford) . On exposed ridges in the mossy forest. Endemic. 



2. VERNONIA Sclireb. 



1. V. arborea (Wall.) Ham.; Hook. f. Fl. T.rit. lud. 3 (ISSl) 230. 



(3200 Me7-rill) October; (6695 Elmer) NovcihIkt. On exposed ridges in the 

 mossy forest above 1,200 m. Tropical Asia and .Malaya. 



2. V. chinensis (Lam.) Less.; Hook. f. 1. c. 23.1. 



iWhiiford) April. A weed in -waste plaees below 100 ni.. widely distributed 

 in the Philippines. Tropical Asia and Malaya. 



3. V. cinerea (Linn.) Less.; f. 1. c. 233. 



(Merrill). In thickets and open places below 100 m. With llie i>receding, 

 extending to Africa and Australia. 



4. V. vidalii IMerr. flovt. Lab. Piil>l. 6 (1904) 0. 



M27S liordru) .Inly. In thickets below 1 00 in. hjidciiiie. 



3. ELEPHANTOPUS Linn. 



1. E. mollis 11. I'.. K.; \n\ I'rodr. 5 (1830) 86. 



iWhilfiinl) Apiil. In thickets and waste i>lares below 100 ni.. widely dis- 

 tributed in the riiilippines, inlrodueed fiom linpiral America. 



