VoL 1 ARACEAE 189 



20. CRYPTOCORYNE Fischer 



CRYPTOCORYNE APONOGETI FOLIA Merr. in Philip. Journ. Sci. 14 

 (1919) 370. 

 Negros, Panay, B. S. 81119 Ramos & Edano, F. B. 19411 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 814.7, Copeland. In crevices of ledges 



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



CRYPTOCORYNE USTERI AN A 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. PISTIA 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. 

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

 73 (1920) 259, /. 63. 

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



5 (1858) 913. 

 Pistia strqtiotes 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. 



Dieffenbachia 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. 



