22 ENUMERATION OF PHILIPPINE PLANTS ^^22 



PANDANUS TENUIPEDUNCULATUS Merr. in Philip. Journ. Sci. 17 

 (1920) 243. 

 Siargao, Mindanao (Surigao), B, S. 3^739, 3USU2 Ramos & Pascasio. 

 In open forests at low altitudes. Endemic. 



PANDANUS ZAMBOANGENSIS Martelli in Webbia 4' (1913) 37, 4' 

 (1914) 426, t. U2, f. 7-10. 



Mindanao (Zamboanga, Bukidnon, Lanao), Merrill 8051, 8065, F. B. 

 9U9U Whitford & Hutchinson, B. S. 15696 Fenix, 371^28, 37U29 Ramos & 

 Edano. In thickets and secondary forests at low altitudes. Endemic. 



Local names: Baliu (Sub.); bariu (Sul.) ; pandan (Sul.). 



DOUBTFUL AND EXCLUDED SPECIES 



PANDANUS INERMIS Blanco Fl. Filip. ed. 2 (1845) 537, ed. 3, 3 (1879) 184, 

 non Roxb. 



This is unquestionably a Pleomele (Dracaena) and is referable to Pleo- 

 mele angustifolia (Roxb.) N. E. Br. 

 PANDANUS KAFU Martelli in Webbia 4' (1913) 19, t. 19, f. 1-3. 



"Is. Filippine" is an earror, the type being from Guam, Marianne Islands. 



PANDANUS PORTEANUS Lescuy. ex Herincq Hort. Franc. 1 (1866) 16; Warb. 

 in Engl. Pflanzenreich 3 (1900) 90;, Martelli in Webbia 4 ' (1913) 28. 



A nomen nudum based on a cultivated plant of Philippine origin. 



Pandanus bagea Miq., P. caricosus Rumph., P. ceramicus Rumph., P. 

 drupaceus Thouars., P. elegans Thouars., P. furcatus Roxb., P. humilis 

 Rumph., P. latifolius Rumph., P. littoralis Jungh., P. montanus Miq., P. 

 moschatus Rumph., P. repens Rumph., P. spurius Rumph., and P. sylvestris 

 Rumph. 



The above fourteen species, several of them of entirely doubtful status, 

 were credited to the Philippines by Naves, Novis. App. (1882) 284, 285. 

 With the exception of Pandanus caricosus Rumph. = Scirpiodendron ghaeri 

 (Gaertn.) Merr. none of them are known to occur in the Philippines. 



3. SARARANGA Hemsley 



SARARANGA PHILIPPINENSIS Merr. in Govt. Lab. Publ. (Philip.) 29 

 (1905) 5; Elm. Leafl. Philip. Bot. 3 (1911) 1110. 



Luzon (Tayabas, Camarines, Albay, Sorsogon), Sibuyan, Samar, Dinagat, 

 Mindanao (Surigao, Bukidnon), Merrill 5230, Whitford 7J^9, Elmer 17206, 

 B. S. 6Jf01 Robinson, 35181, 3^680 Ramos & Pascasio, 33710 Ramos & Edano, 

 F. B. 26530 Rola. Chiefly in secondary forests, sea level to an altitude 

 of 750 m. Endemic. 



A genus represented by one other known species in the Solomon Islands. 



Local names: Bagaas (P. Bis.) balui (Buk.) ; balur (Buk.) ; nagsala- 

 usau (Bik.). 



POTAMOGETONACEAE 



1. POTAMOGETON Linnaeus 



POTAMOGETON ANGUSTIFOLIUS Berchtold & Presl Rostlinar 2 (1821) 

 19; A. Benn. in Philip. Journ. Sci. 9 (1914) Bot. 340. 



