Vol. 2 EUPHORBIACEAE 409 
10a. HEMICYCLIA Wight and Arnott 
HEMICYCLIA OVALIS J. J. Sm. in Meded Dept. Landbouw 10 (1910) 
221 (Koord. & Val. Bijdr. Boomsoort. Java 12: 221). 
Cyclostemon calcicola Merr. in Philip. Journ. Sci. 9 (1914) Bot. 478. 
Drypetes calcicola Pax & K. Hoffm. in Engl. Pflanzenreich 81 (1922) 
266. 
Mindoro, Palawan, Negros, Malamaui, Merrill 9430, 9427, Phil. Pl. 2100, 
F. B. 24182 Medina, 20697 Tamesis, 28412 Contreras, 25577 Hirro. In 
thickets and forests at low altitudes on limestone formations. Java. 
Local names: Butigan (C. Bis.); puguran (P. Bis.). 
J. J. Smith describes the Javan form as having glabrous fruits; my 
Javan specimens, Backer 27839, 28136, have puberulent fruits. I can see 
no reason for distinguishing the Philippine form. 
HEMICYCLIA SUBCRENATA (Merr.) comb. nov. 
Cyclostemon subcrenatus Merr. in Philip. Journ. Sci. 7 (1912) Bot. 
388. 
Drypetes subcrenata Pax & K. Hoffm. in Engl. Pflanzenreich 81 
(1922) 274. ; 
Luzon (Batangas, Camarines, Albay), Bancalan, F’. B. 21567 Tamesis, 
10588 Curran, 897 Van Wickle, Weber. In forests at low altitudes. En- 
demic. 
11. APOROSA Blume 
APOROSA ACUMINATISSIMA Merr. in Philip. Journ. Sci. 16 (1920) 546. 
Luzon (Laguna), F’. B. 26185 Amarillas. In primary forests, altitude 
about 450 m. Endemic. 
APOROSA ALVAREZII Merr. in Philip. Journ. Sci. 9 (1914) Bot. 470. 
Luzon (Laguna, Camarines), Samar, Ff. B. 21245 Alvarez, 26793 Ma- 
besa, B. S. 20567, 24218, 24281 Ramos. In primary forests at low altitudes. 
Endemic. : 
APOROSA AURITA (Tul.) Mig. Fl. Ind. Bat. 1* (1858-59) 431; Baill. 
Etud. Gén. Euphorb. (1858) 645; Muell.-Arg. in DC. Prodr. 157? 
(1866) 474; F.-Vill Novis. App. (1880) 190; Pax & K. Hoffm. 
in Engl. Pflanzenreich 81 (1922) 100. 
Scepa aurita Tul. in Ann. Sci. Nat. Bot. III 15 (1851) 254. 
Aporosa microcalyx Hassk. in Bull. Soc. Bot. France 6 (1859) 714; 
Muell.-Arg. in DC. Prodr, 15% (1866) 471; F.-Vill. Novis. App. 
(1880) 190; Vidal Phan. Cuming. Phililp. (1885) 142, Rev. Pl. 
Vase. Filip. (1886) 239; C. B. Rob. in Philip. Journ. Sci. 6 (1911) 
Bot. 208; Pax & K. Hoffm. in Engl. Pflanzenreich 81 (1922) 101. 
Tetractinostigma microcalyx Hassk. in Flora 40 (1857) 538, Hort. 
Bogor. Descr. (1858) 55. 
Aporosa cumingiana Baill. Etud. Gén. Euphorb. (1858) 645, nomen 
nudum. 
Luzon (Isabela), Polillo, Samar, Leyte, Cuming 1724, B. S. 8055 Ramos, 
9074, 9306 Robinson, 10275 McGregor, Wenzel 1387, Merrill Phil. Pl. 1681. 
In forests at low altitudes. Andaman Islands, Malay Peninsula. Su- 
matra, Bangka, Borneo, Java, Celebes. 
