Vol. 2 EUPHORBIACEAE 425 
Luzon (Benguet), Elmer 8538, F. B. 18357 Alvarez, 18151 Curran, Mer- 
ritt, & Zschokke, B. S. 40478 Ramos & Edano. On forested slopes, altitude 
1,500 to 1,900 m. Endemic. 
Local name: Inutatan (Ig.). 
DAPHNIPHYLLUM LUZONENSE Elm. Leafl. Philip. Bot. 1 (1908) 309; 
K. Rosenth. in Engl. Pflanzenreich 68° (1917) 14. 
Daphniphyllum acutifolium Hallier f. in Beih. Bot. Centralbl. 34? 
(1916) 20, in nota, quoad Philip., non Muell.-Arg. 
Luzon (Ilocos Norte, Benguet, Bontoc, Ifugao, Camarines), Mindoro, 
Palawan, Leyte, Camiguin de Misamis, Merrill 5658, 9494, Phil. Pl. 1503, 
1748, Elmer 6290, 8615, B. S. 32838, 14623, 15285 Ramos. In forests at 
medium altitudes, ascending to 1,900 m. Endemic. 
DAPHNIPHYLLUM OBTUSIFOLIUM Merr. in Philip. Journ. Sci. 14 (1920) 
552. 
Luzon (Tayabas, east coast), B. S. 28705, 28662 Ramos & Edano. In 
primary forests, altitude about 1,000 m. Endemic. 
DAPHNIPHYLLUM ROXSURGHI! Baill. Etud. Gén. Euphorb. (1858) 565, 
nomen nudum; Benth. Fl. Hongk. (1861) 316; Rosenth. in Engl. 
Pflanzenreich 68° (1919) 9. 
Daphniphyllum teysmanni Zoll. ex Teysm. & Binn. in Nat. Tijdschr. 
Nederl. Ind. 27 (1864) 52; Hallier f. in Beih. Bot. Centralbl. 
34% (1916) 21. 
Daphniphyllum buergeri Muell.-Arg. in DC. Prodr. 16* (1869) 3. 
Palawan, (Hlmer 13194), fide Hallier f. The species is admitted on Hal- 
lier’s identification, as I have not seen Elmer’s specimen. The range, 
eastern China, Japan, and Riu Kiu Islands, leads me to doubt the correct- 
ness of Hallier’s identification. 
18. CROTON Linnaeus 
CROTON ARGYRATUS Blume Bijdr. (1825) 602; Muell.-Arg. in’ DC. 
Prodr. 15” (1866) 526; Merr. in Philip. Journ. Sci. 4 (1909) Bot. 
278; Elm. Leafl. Philip. Bot. 4 (1911) 1280. 
Croton cupreus Elm. Leafl. Philip. Bot. 4 (1911) 1281. 
Babuyan Islands, Luzon (Ilocos Sur, Zambales, Batangas, Bulacan, Ri- 
zal), Palawan, Leyte, Mindanao (Zamboanga, Cotabato), Basilan. In for- 
ests at low altitudes. Burma to the Andaman Islands, Malay Peninsula, 
Sumatra, Java, and Borneo. 
CROTON CAUDATUS Geisel. Crot. Monogr. (1807) 73; Muell.-Arg. in DC. 
Prodr. 157 (1866) 599; F.-Vill. Novis. App. (1880) 192. 
Luzon (Benguet, Pangasinan, Rizal), Palawan, Merrill Phil. Pl. 1248, 
Elmer 6461, B. S. 484, 3318 Ramos, F. B. 1124 Ahern’s collector. In thick- 
ets and ravines at low altitudes, ascending to 400 m. India to southern 
China southward to Sumatra, Java, Christmas Island, and Borneo. 
Local name: Alimpai (Tag.). 
CROTON COLUBRINOIDES Merr. in Philip. Journ. Sci. 9 (1914) Bot. 451. 
Luzon (Bontoc), Vanoverbergh 3107, B. S. 37676 Ramos & Edafvo. On 
slopes, altitude 1,300 m. Endemic. 
