326 ENUMERATION OF PHILIPPINE PLANTS awe 
17948 Miranda, 20102 Stadtmiller, 18908 Foxworthy, B. S. 11820 Robinson, 
Merrill 11637. In thickets back of the mangrove swamps. Endemic. 
In addition to the above indigenous species Hrythroxylon coca Lam., 
the cocaine plant, is a recent introduction and is occasionally found in 
cultivation; Merrill Fl. Manila (1912) 267. 
ZYGOPHYLLACEAE 
1. TRIBULUS Tournefort 
TRIBULUS CISTOIDES Linn. Sp. Pl. (1753) 387; DC. Prodr. 1 (1824) 
703; F.-Vill. Novis. App. (1880) 32; Vidal Phan. Cuming. Philip. 
(1885) 99, Rev. Pl. Vase. Filip. (1886) 73; Merr. in Philip. Journ. 
Sci. 3 (1908) Bot. 411, Fl. Manila (1912) 268, Sp. Blancoanae 
(1918) 196. 
Tribulus lanuginosus Blanco FI. Filip. (1837) 350, ed. 2 (1845) 245, 
ed. 3, 2 (1878) 91; Walp. in Nov. Act. Acad. Nat. Cur. 19 (1843) 
Suppl. 1: 321, non Linn. 
Tribulus macranthus Hassk. in Flora 48 (1865) 403. 
Babuyan Islands (Fuga), Luzon (Cavite, Rizal, Tayabas), Mindoro. 
Local in waste places, in towns, near the seashore, etc., apparently intro- 
duced. Pantropic. 
RUTACEAE 
1. ZANTHOXYLUM Linnaeus 
ZANTHOXYLUM ALATUM Roxb. FI. Ind. ed. 2, 3 (1832) 768; Hook. f. 
Fl. Brit. Ind. 1 (1875) 493. 
Luzon (Benguet), Merrill Phil. Pl. 774, B. S. 20244 Sandkuhl. In thick- 
ets about limestone cliffs and bowlders, altitude 1,300 to 1,500 m. India 
to southeastern China. 
Local names: Chi-it (Ig.); sibit-paklauit (Ig.). 
ZANTHOXYLUM AVICENNAE (Lam.) DC. Prodr. 1 (1824) 726; F.-Vill. 
Novis. App. (1880) 384, Rev. Pl. Vasc. Filip. (1886) 74, Phan. 
Cuming. Philip. (1885) 100; Merr. in Govt. Lab. Publ. (Philip.) 
27 (1905) 27. 
Fagara avicennae Lam. Encycl. 2 (1788) 445; Merr. Sp. Blancoanae 
(1918) 196. 
Fagara pterota, Blanco Fl. Filip. (1837) 66, ed. 2 (1845) 47, ed. 3, 1 
(1877) 88, non Linn. 
Zanthoxylum iwahigense Elm. Leafl. Philip. Bot. 5 (1913) 1833. 
Luzon (Benguet, Zambales, Nueva Ecija, Rizal, Batangas, Camarines), 
Palawan, Mindanao (Misamis, Cotabato), Merrill Sp. Blancoanae 1060, 
1002, B. S. 32025 Santos, 26303 Ramos & Edano, 20988, 22842 Ramos, 905 
Foxworthy, F. B. 22464 Klemme, 28044 Ferraris, 28756 Simeon, Elmer 
12751. In thickets and forests, chiefly at medium altitudes, in Benguet 
ascending to 2,200 m. Southeastern China, ? Moluccas. 
Local names: Bagatambal (Bis.); bufgai (Tagb.); itangan (Ig.) ; 
kaytana (Tag.) ; kafgai (Pamp.); kayutana (Bik., Pamp.) ; salai (Pamp.) ; 
salai-kafgai (Pamp.); salai-marbar (Bis.). 
