Vol- 1 ARACEAE 189 



20. CRYPTOCORYNE Fischer 



CRYPTOCORYNE APONOGETIFOLIA Merr. in Philip. Journ. Sci. 14 

 (1919) 370. 

 Negros, Panay, B. S. 31119 Ramos & Edano, F. B. IHll Curran. Sub- 

 merged in shallow water of streams at low altitudes. Endemic. 



CRYPTOCORYNE PYGMAEA Merr. in Philip. Journ. Sci. 14 (1919) 371. 



Mindanao (Zamboanga), Merrill 8H7, Copeland. In crevices of ledges 



in stream beds in damp shaded ravines, altitude about 300 m. Endemic. 



CRYPTOCORYNE USTERIANA Engl, ex Usteri Beitr. Ken. Philip. Veg. 

 (1905) 130, Engl. Bot. Jahrb. 54 (1916) Beibl. 118: 125; Pflan- 

 zenreich 73 (1920) 240, /. 60. 

 Guimaras, (Usteri). I have seen only the type, which is preserved in 

 the Berlin herbarium. Endemic. 



EXCLUDED SPECIES 



CRYPTOCORYNE CILIATA Fisch.; Naves Novis. App. (1882) 295. 



21. PI ST I A Linnaeus 



PISTIA STRATIOTES Linn. Sp. PI. (1753) 963; Blanco Fl. Filip. (1837) 

 651, ed. 2 (1845) 454, ed. 3, 3 (1879) 55, t. 468; Presl Epim. (1851) 

 240; Miq. Fl. Ind. Bat. 3 (1856) 218; Engl, in DC. Monog. Phan. 

 2 (1879) 634; Naves Novis. App. (1882) 296; Vidal Phan. Cuming. 

 Philip. (1885) 154, Rev. PI. Vase. Filip. (1886) 281; Merr. Fl. 

 Manila (1912) 130, Sp. Blancoanae (1918) 93; Engl. Pflanzenreich 

 73 (19^20) 259, /. 63. 

 Pistia cumingii Klotz. in Abh. Akad. Berlin (1854) 354; Walp. Ann. 



5 (1858) 913. 

 IHstia stratiotes Linn. var. cuneata Engl, in DC. Monog. Phan. 2 

 (1879) 634. 

 Northern Luzon to Mindanao. Floating in shallow water of lakes and 

 slow streams at low altitudes; often abundant. Pantropic. 



Local names: Alaluan (Ibn.) ; dagaylo (Mbo.) ; darahiro (Bik.) ; daraido 

 (Bik.) ; darairo (Bik.) ; kaiapo (Bis.) ; kiapo (Tag.) ; kiupu (Mag.) ; loloan 

 (Ilk.). 



EXCLUDED GENERA AND SPECIES 



Chamaecladon ovalifolium Schott; Naves Novis. App. (1882) 290. 



Chamaecladon pygmaeum Engl.; Naves op. cit. 291. 



Cusuaria marantifolia Schott; Naves op. cit. 289. 



Diepfenbachia seguine Schott; Naves op. cit. 291. 



Lagenandra toxicaria Dalz.; Naves op. cit. 295. 



Lasia spinosa Thwaites; Naves op. cit. 289. 



Theirophonium crenatum Blume; Naves op. cit. 295. 



Theirophonium wightii Engl.; Naves 1. c. 



Piptospatha sp.; Usteri Beitr. Ken. Philip. Veg. (1905) 130. 



