592 ENUMERATION OF PHILIPPINE PLANTS 1923 



2. CENTRATHERUM Cassini 



CENTRATHERUM FRUTICOSUM Vidal Phan. Cuming. Philip. (1885) 

 121, Rev. PL Vase. Filip. (1886) 159; Elm. Lean. Philip. Bot. 1 

 (1906) 88; Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 138, 5 

 (1910) Bot. 393. 

 Centratherum muticum Less, in Benth. Fl. Austral. 3 (1866) 460 

 quoad Philip. 

 Babuyan Islands, Luzon (Ilocos Norte, Bontoc, Benguet, Bataan, Rizal), 

 Mindoro, Cuming 1556, Merrill 4-660, Phil. PL 869, Elmer 5956, Williams 

 1439, 967, B. S. 13769, 13590, 5459, 5835 Ramos, 10110 McGregor, 29427, 

 40485 Ramos & Edano. Borders of forests and thickets and on open 

 slopes, chiefly at medium altitudes, ascending to 2,000 m. Endemic. 



3. VERNON I A Schreber 



VERNONIA ACROPHILA Merr. in Philip. Journ. Sci. 5 (1910) Bot. 253. 

 Luzon (Zambales), F. B. 8057 Curran & Merritt. On exposed peaks 

 and ridges, altitude about 2,000 m. Endemic. 



VERNONIA APOENSIS Elm. Leafl. Philip. Bot. 2 (1910) 687. 



Luzon (Benguet), Mindanao (Lanao, Davao), Elmer 10764, Clemens 

 4$3, B. S. 31762 Santos, F. B. 26672 Rola. In forests, altitude 650 to 2,200 

 m. Endemic. 



Local names: Ganaba (Ig.) ; iguai (Bag.). 



VERNONIA ARBOREA Ham. in Trans. Linn. Soc. 14 (1824) 218; Hook. f. 



Fl. Brit. Ind. 3 (1881) 239; DC. Prodr. 5 (1836) 22; F.-Vill. Novis. 



App. (1880) 114; Vidal Sinopsis Atlas (1883) 27, t. 58, f. A, 



Phan. Cuming. Philip. (1885) 121, Rev. PI. Vase. Filip. (1886) 159; 



Koord. & Val. Bijdr. Boom. Java 5 (1900) 50; Elm. Leafl. Philip. 



Bot. 1 (1906) 90'. 

 Northern Luzon (Cagayan) to Mindanao, in most islands and provinces, 

 occurring in primary forests at low and medium altitudes. India to 

 Malaya. 



Local names: Agpan (C. Bis.); kalalaman (Neg.) ; kasiar (Iv.) ; 

 laokpau (Ibn.) ; omo omo (Bik.) ; pamankulauan (Bik.) ; patabugin 

 (Tagb.); ronot (Bik.). 



VERNONIA BENGUETENSIS Elm. Leafl. Philip. Bot. 1 (1906) 94 in nota, 

 (1908) 361. 

 Vernonia vialis Elm. 1. c. non DC 



Luzon (Cagayan, Bontoc, Benguet, Ifugao, Nueva Vizcaya), Elmer 6584, 

 Adduru 116, Merrill 159. In open grasslands up to 1,500 m altitude; 

 very similar to some forms of V. cinerea Less. Endemic. 



VERNONIA BONTOCENS1S Merr. in Philip. Journ. Sci. 20 (1922) 473. 



Luzon (Bontoc), B. S. 37752 Ramos & Edano. On open slopes, alti- 

 tude about 1,300 m. Endemic. 



VERNONIA CINEREA (Linn.) Less, in Linnaea 4 (1829) 291, 6 (1831) 

 673; DC. Prodr. 5 (1836) 24; Walp. in Nov. Act. Acad. Nat. Cur. 

 19 (1843) Suppl. 1: 253 (var. rotundifolia Walp.); Miq. Fl. Ind. 

 Bat. 2 (1857) 11; Hook. f. Fl. Brit. Ind. 3 (1881) 233; F.-Vill. Novis. 

 App. (1880) 113; Vidal Phan. Cuming. Philip. (1885) 121, Rev. 



