44 ENUMERATION OF PHILIPPINE PLANTS 1923 
13. CASTILLOA Cervantes 
CASTILLOA ELASTICA Cervy. in Supl. Gaz. Lit. Mex. (1794) 7; Hook. f. 
in Trans. Linn. Soc. Bot. 2 (1886) 206; Merr. Fl. Manila (1912) 
its 
The castilloa rubber tree, now occasionally cultivated in the Philippines. 
A native of tropical America. 
14. ANTIARIS Leschenault 
ANTIARIS TOXICARIA (Pers.) Lesch. in Ann. Mus. Paris 16 (1810) 
478, t. 22; Benn. Pl. Jav. Rar. (1888) 52, ¢. 18; Hook. f Fl. Brit: 
Ind. 5 (1888) 537; F.-Vill. Novis. App. (1880) 202; Vidal Sinopsis 
Atlas (1883) 40, t. 88, f. A (after Blume, Rumphia); Merr. in 
Philip. Journ. Sci. 2 (1907) Bot. 111. 
Ipo toxicaria Pers. Syn. 2 (1807) 566. 
Luzon (Cagayan, Apayao), Mindoro, Guimaras, F. B. 17799 Curran, 
21092 Connor, 28414 Fontanoza, B. S. 28224 Fénix, 1551 Bermejos. In for- 
ests at low and medium altitudes; very local. The milky juice is used for 
poisoning arrows and spears. India to southern China and Malaya; the 
“deadly upas’”’ tree. 
Local names: Dalit (Tag.); dita (Ibn., Ap.); lata (Neg.); mananau 
(S. L. Bis.) ; salogon (Tag.). 
15. FICUS Tournefort 
FICUS ADAMII Elm. Leafl. Philip. Bot. 4 (1911) 1258 (adamsii), 1521, 7 
(1914) 2410. ; 
Luzon (Apayao, Laguna, Bataan), Mindanao (Agusan, Davao), Elmer 
11177, 14029, 17863, 18284, B. S. 28100 Fénix, F. B. 20974 Villamil, 26373 
Catalan, 22821 Diaz & Alambra, 28468 Salvosa. In primary forests up to 
1,000 m altitude. Endemic. 
Local names: Baléte (Mbo.); okob (Bag.). 
FICUS AHERNII Merr. in Philip. Journ. Sci. 18 (1921) 61. 
Luzon (Rizal, Sorsogon), Biliran, Samar, B. S. 18639 McGregor, 17512, 
17568 Ramos, F. B. 3104 Ahern’s collector, Elmer 17022, 14406. In primary 
forests at low and medium altitudes. Endemic. 
FICUS ALTISSIMA Blume Bijdr. (1825) 455; King in Ann. Bot. Gard. 
Calcutta 1 (1887) 30, t. 80, 31; Merr. in Philip. Buyeau Forest. 
Bull. 1 (1903),17; Elm. Leafl. Philip. Bot. 4 (1911) ¥248. 
Luzon (Tayabas, Camarines), Alabat, Mindoro, Mifidanao, Merrill 1932, 
10483, Ahern 172, 798, Whitford 1451, Clemens. In primary forests at low 
and medium altitudes. India to the Malay Peninsula and Archipelago. 
Local names: Baléte (Tag.); nonok (C. Bis.). 
FICUS AMPELOS Burm. f. Fl. Ind. (1768) 226, excl. syn. Rheede; Mig. 
Fl. Ind. Bat. 1? (1858-59) 303; King in Ann. Bot. Gard. Calcutta 
1 (1887) 90, t. 114; Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 
45, 3 (1908) Bot. 402; Elm. Leafl. Philip. Bot. 1 (1906) 191, 4 
(1912) 1817, 1892, 7 (1914) 2405. 
3atan Islands and northern Luzon to Palawan and Mindanao, Elmer 
12177, 17582, 18087, 15249. Common in thickets and forests at low and 
medium altitudes. Sumatra to the Moluccas. 
