128 ENUMERATION OF PHILIPPINE PLANTS 1923 



BEGONIA SERPENS Merr. in Philip. Journ. Sci. 14 (1919) 427. 



Panay, B. S. 32588, 325U1 McGregor. In damp forests, altitude 500 to 

 900 m. Endemic. 



BEGONIA SUBORBICULATA Merr. in Philip. Journ. Sci. 6 (1911) Bot. 

 398. 

 Palawan, Merrill 7229, 9187, 9502, 9^88. On ledges and bowlders in 

 primary forests, sea level to 850 m altitude. Endemic. 



BEGONIA SUBTRUNCATA Merr. in Philip. Journ. Sci. 6 (1911) Bot. 390. 



Luzon (Union), Loher 6076. In forests. Endemic. 



BEGONIA TAYABENSIS Merr. in Philip. Journ. Sci. 13 (1918) Bot. 38. 



Luzon (Tayaba's, east coast), B. S. 2905U Ramos & Edano. On ledges 

 and steep forested slopes along streams at low or medium altitudes. En- 

 demic. 



BEGONIA TRICHOCHEILA Warb. in Perk. Frag. PI. Philip. (1904) 53; 

 Merr. in Philip. Journ. Sci. 6 (1911) Bot. 404. 



Luzon (Rizal, Union), Merrill 7063, Loher, B. S. 12958 Fenix. On lime- 

 stone cliffs along streams at low or medium altitudes. Endemic. 



BEGONIA URDANETENSIS Elm. Lean. Philip. Bot. 7 (1915) 2559. 



Mindanao (Agusan), Elmer 1)3819. In primary forests, altitude about 

 1,500 m. Endemic. 



Local name: Madamo (Mbo.). 



BEGONIA VANOVERBERGHII Merr. in Philip. Journ. Sci. 6 (1911) Bot. 

 403. 



Luzon (Bontoc, Benguet), Vanoverbergh 831, B. S. 12931 Fenix. Along 

 streams in ravines, altitude 1,200 to 1,500 m. Endemic. 

 Local name: Ganabeng (Bon.). 



BEGONIA WEBERI Merr. in Philip. Journ. Sci. 6 (1911) Bot. 381. 



Mindanao (Agusan), Weber 1210. On rocky slopes in forested ravines, 

 altitude about 450 m. Endemic. 



BEGONIA WENZELII Merr. in Philip. Journ. Sci. 10 (1915) Bot. 277. 

 Begonia leytensis Merr. op. cit. 9 (1914) Bot. 379, non Elm. 



Leyte, Biliran, Wenzel 580, 1219, 1±66U, 1695, B. S. 1875U McGregor. 

 Climbing on trees in primary forests, altitude 500 to 900 m. Endemic. 



DOUBTFUL AND EXCLUDED SPECIES 



Begonia borneensis A. DC; F.-Vill. Novis. App. (1880) 98. 

 Begonia isoptera Dry.; F.-Vill. 1. c. 



Begonia crassicaulis A. DC; Usteri Beitr. Ken. Philip. Veg. (1905) 118. 



If the specimen be correctly identified then it must have been from an 

 introduced and cultivated plant. 



Begonia repens Blume; A. Gray Bot. Wilkes U. S. Explor. Exped. (1854) 

 658; Merr. in Philip. Journ. Sci. 3 (1908) Bot. 84, 6 (1911) Bot. 

 406. 



