452 ENUMERATION OF PHILIPPINE PLANTS ie 
TRIGONOSTEMON LONGIPEDUNCULATUS (Elm.) Elm, Leafi, Philip. 
Bot. 4 (1911) 1306; Pax & Hoffm. in Engl. Pflanzenreich 63 
(1914) 408. 
Croton longipedunculatus Elm. Leafl. Philip. Bot. 1 (1908) 311. 
Luzon (Tayabas, Nueva Ecija, Camarines), Alabat, Leyte, Mindanao 
(Surigao), Elmer 7264, B. S. 28494, 26416, 83837 Ramos & Edano, Merrill 
10485, Wenzel 1513, 1716. In primary forests at low altitudes. Endemic. 
TRIGONOSTEMON LONGIPES (Merr.) Merr. in Philip. Journ. Sci. 11 
(1916) Bot. 191; Pax & Hoffm. in Engl. Pflanzenreich 68* (1919) 
41. 
Dimorphocalyx longipes Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 
82; Pax & Hoffm. in Engl. Pflanzenreich 47 (1911) 33. 
Luzon (Bataan, Bulacan, Rizal, Laguna, Tayabas), Mindoro, Whitford 
1066, Merrill 2699, Elmer 17583, B. S. 26911 Edano, 13428, 39575 Ramos, 
34041 Ramos & Edano, F. B. 1801 Borden, 17330 Curran. In primary for- 
est at low and medium altitudes. Endemic. 
TRIGONOSTEMON LUZONIENSIS Merr. in Philip. Journ. Sci. 16 (1920) 
568. 
Luzon (Camarines), B. S. 33539 Ramos & Edano. In forests along 
streams at low altitudes. Endemic. 
TRIGONOSTEMON MACGREGORII Merr. in Philip. Journ. Sci. 16 (1920) 
566. 
Luzon (Laguna), Panay, B. S. 22848, 26228, 32424 McGregor. In pri- 
mary forests up to 300 m altitude. Endemic. 
TRIGONOSTEMON MERRILLII Elm. Leafl. Philip. Bot. 4 (1911) 1304; 
Pax & Hoffm. in Eng]. Pflanzenreich 63 (1914) 407. 
Palawan, Elmer 12819, Merrill 739, F. B. 4153 Curran. In forests up 
to 225 m altitude. Endemic. 
TRIGONOSTEMON OBLANCEOLATUS C. B. Rob. in Philip. Journ. Sci. 
6 (1911) Bot. 337; Pax & Hoffm. in Engl. Pflanzenreich 63 (1914) 
407. 
Mindanao (Zamboanga), Basilan, Williams 2185, Merrill 8198, B. S. 
15442, 15458 Reillo. In primary forests, ascending to 850 m altitude. En- 
demic. 
TRIGONOSTEMON OBLONGIFOLIUS Merr. in Philip. Journ. Sci. 7 (1912) 
Bot. 409; Pax & Hoffm. in Engl. Pflanzenreich 63 (1914) 407. 
Luzon (Cagayan, Ilocos Norte), B. S. 7745, 18965, 33109 Ramos, F. B. 
19604 Curran. In forests at low or medium altitudes. Endemic. 
TRIGONOSTEMON PHILIPPINENSIS Stapf in Leafl. Philip. Bot. 1 (1907) 
206; Pax in Engl. Pflanzenreich 47 (1911) 91. 
Luzon (Apayao, Laguna, Camarines), Leyte, Panay. In primary for- 
ests at low and medium altitudes; locally abundant. Endemic. 
TRIGONOSTEMON POLYANTHUS Merr. in Philip. Journ, Sci. 9 (1914) 
Bot. 492. 
Samar, Merrill Phil. Pl. 1645. In primary forests at low altitudes. En- 
demic. 
