502 ENUMERATION OF PHILIPPINE PLANTS a 
TRISTIROPSIS SUBFALCATA Radlk. in Philip. Journ, Sci, 8 (1913) Bot. 
445, 455. 
Mindanao (Zamboanga), Basilan, Hallier, B. S. 16148 Reillo, F. B. 
26126, 26127 Franco, 18886 Miranda. In forests at low altitudes. En- 
demic. 
Local name: Gasi-gasi (Chab.). 
Of this genus nine species are known, two in New Guinea, two in the 
Solomon Islands, one in the Marianne Islands, and one in Christmas Island 
south of Java. 
10. TRISTIRA Radlkofer 
TRISTIRA PUBESCENS Merr. in Govt. Lab. Publ. (Philip.) 6 (1904) 
12; Radlk. in Philip. Journ. Sci. 8 (1913) Bot. 445, 456 (incl. f. 
hemidasya Radlk.). 
Luzon (Rizal, Batangas, Camarines), Mindanao (Butuan), Merrill 2842, 
Phil. Pl. 1845, F. B. 421 Ahern’s collector, 23515 Alvarez, B. S. 29520 Ramos 
& Edano. In forests at low altitudes; scarcely more than a pubescent form 
of T. triptera Radlk. Endemic. 
TRISTIRA TRIPTERA (Blanco) Radlk. in Act. Congr. Bot. Amsterdam 
1877 (1878) 133 (Sapind. Holl.-Ind. 63), Philip. Journ. Sci. 8 
(1913) Bot. 445; F.-Vill. Novis. App. (1883) 350; Vidal Phan. 
Cuming. Philip. (1885) 105, Rev. Pl. Vasc. Filip. (1886) 99; Merr. 
in Philip. Bureau Forestry Bull. 1 (1905) 35, Sp. Blancoanae (1918) 
239. 
Melicocca triptera Blanco FI. Filip. (1837) 208, ed. 3, 2 (1878) 16. 
Zollingeria macrocarpa F.-Vill. Novis. App. (1880) 53; Vidal Sinopsis 
Atlas (1883) 22, t: 85, 7°C,; non Kurz. 
Zollingeria triptera Rolfe in Journ. Bot. 21 (1884) 309. 
Luzon (Union, Rizal, Batangas, Camarines), Mindoro, Tablas, Catan- 
duanes, Masbate, Romblon, Negros, Mindanao (Davao). In forests at low 
and medium altitudes. Endemic. 
Local names: Albing (Tag.); Alpai-bato (Tag.); daou (P. Bis.) ; kibang 
(P. Bis.) ; maladiak (Bik.); malaropag (Tag.). 
One other species is known from Celebes and from the Moluccas. 
EXCLUDED SPECIES 
TRISTIRA HARPULLIOIDES Radlk.; F.-Vill. Novis. App. (1883) 350. 
11. HEDYACHRAS Radlkofer 
HEDYACHRAS PHILIPPINENSIS Radlk. in Engl. Bot. Jahrb. 56 (1920) 
258, Philip. Journ. Sci. 20 (1922) 660, descr. ampl. 
Luzon (Laguna), F. B. 20635 Villamil, 25719, 26180 Mabesa, Elmer 
18288. In thickets and forests along streams at low altitudes. An endemic 
monotypic genus. 
12. EUPHORIA Commerson 
EUPHORIA DIDYMA Blanco FI. Filip. (1837) 288, ed. 2 (1845) 201, ed. 
3, 2 (1878) 10; Merr. Sp. Blancoanae (1918) 240. 
Euphoria litchi Blanco op. cit. 285, 199, 8, non Juss. 
2? Euphoria annularis Blanco op. cit. 285, 199, 7. 
Sapindus cinereus Turez. in Bull. Soc. Nat. Mose. 31° (1858) 402; 
F.-Vill. Novis. App. (1880) 53. 
