524 ENUMERATION OF PHILIPPINE PLANTS 



1923 



UROPHYLLUM URDANETENSE Elm. Leafl. Philip. Bot. 5 (1913) 1900. 



Mindanao (Agusan), Elmer 13788, 14155. In the mossy forest, altitude 

 1,500 to 1,650 m; very close to U. arboreum Korth. Endemic. 



Local name: Busayon (Mbo.). 



24. PLEIOCARPIDIA K. Schumann 



(Aulacodiscus Hooker f.) 



PLEIOCARPIDIA LANAENSIS Merr. in Philip. Journ. Sci. 20 (1922) 462. 

 Mindanao (Lanao, Zamboanga, Bukidnon), Merrill 806U, 8098, Clemens 

 882, B. S. 37226, 38988 Ramos & Edano. In forests along streams, ascend- 

 ing to 800 m altitude. Endemic. 



25. WILLIAMSIA Merrill 



WILLIAMSIA EVERETTII (Merr.) comb. nov. 



Praravinia everettii Merr. in Philip. Journ. Sci. 10 (1915) Bot. 107. 

 Negros, F. B. 7268, 7294 Everett, Whitford 1525. In primary forests, 

 altitude about 700 m. Endemic. 



WILLIAMSIA GLABRA Merr. in Philip. Journ. Sci. 10 (1915) Bot. 108. 

 Luzon (Nueva Ecija, Laguna, Tayabas, Camarines), B. S. 9484 Robinson, 

 2304-7 McGregor, 16587 Ramos, 26269, 33480 Ramos & Edano. In primary 

 forests at low and medium altitudes. Endemic. 



WILLIAMSIA LONGISTIPULA Merr. in Philip. Journ. Sci. 17 (1920) 485. 

 Mindanao (Agusan), Merrill 7287. In damp primary forests at low 

 altitudes. Endemic. 



WILLIAMSIA MINDANAENSIS Elm. Leafl. Philip. Bot. 5 (1913) 1904. 

 Williamsia caudata Merr. in Philip. Journ. Sci. 9 (1914) Bot. 389. 



Luzon (Rizal), Samar, Biliran, Leyte, Mindanao (Surigao, Agusan), 

 Elmer 13561, Wenzel 7, 686, 1868, B. S. 24386, 40792 Ramos, 18744 McGregor, 

 34782 Ramos & Pascasio, F. B. 26233 Ponce & Mallonga. In primary forests 

 at low and medium altitudes, ascending to 900 m. Endemic. 

 Local name: Siganog (Mbo.). 



WILLIAMSIA MULTINERVIA Merr. in Philip. Journ. Sci. 10 (1915) Bot. 

 107. 

 Mindanao (Zamboanga), Basilan, Merrill 8085, B. S. 16110 Reillo, 36870 

 Ramos & Edano, F. B. 18933 Miranda. In primary forests, altitude 400 

 to 900 m. Endemic. 



WILLIAMSIA PANAYENSIS Merr. in Philip. Journ. Sci. 17 (1920) 484. 

 Panay, B. S. 31043, 31315, 31310 Ramos & Edano. In damp forests along 

 streams at low altitudes. Endemic. 



WILLIAMSIA SABLANENSIS (Elm.) Merr. in Philip. Journ. Sci. 3 (1908) 

 Bot. 165; Elm. Leafl. Philip. Bot. 3 (1911) 1000. 

 Urophyllum sablanense Elm. Leafl. Philip. Bot. 1 (1906) 39. 

 Luzon (Cagayan, Abra, Kalinga, Benguet, Nueva Vizcaya, Laguna, 

 Tayabas), Panay, Mindanao, Elmer 6131, 8551, Williams 1028, B. S. 26983, 

 8189 Ramos, 37507 Ramos & Edano, 9371 Robinson. In forests at low and 

 medium altitudes. Endemic. 



The genus is known only from the Philippines. 



