V°^- 1 ZINGIBERACEAE 235 



LANGUAS WENZELII (Merr.) comb. nov. 



Alpinia wenzelii Merr. in Philip. Journ. Sci. 9 (1914) Bot. 353. 

 Leyte, Wenzel 623. In forests, altitude about 500 m. Endemic. 



EXCLUDE2) SPECIES 



Alpinia arctiflora F.-Muell.; Naves Novis. App. (1880) 227. 



Alpinia capitellata Jack; Nave^ op. cit. 226. 



Alpinia chinensis Rose; Naves op. cit. 225. 



Alpinia coerulea Benth.; Naves op. cit. 227. 



Alpinia elatior Jack; Naves op. cit. 226. 



Alpinia gigantea Blume; Naves op. cit. 225. 



Alpinia javanica Blume; Naves op. cit. 226. 



Alpinia mutica Roxb.; Naves 1. c. 



Alpinia rubra (Miq.) Naves 1. c. 



Alpinia scabra (Blume) Naves 1. c. 



Alpinia spicata Roxb.; Naves 1. c. 



Alpinia stack yoides Hance; Naves 1. c. 



3. KOLOWRATIA Presl 



KOLOWRATIA CONGESTA (Elm.) comb. nov. 



Alpinia congesta Elm. Leafl. Philip. Bot. 8 (1919) 2968. 

 Luzon (Sorsogon), Elmer 161UU. On forested slopes, altitude about 

 450 m. Endemic. 



KOLOWRATIA ELEGANS Presl Rel. Haenk. 1 (1827) 113, t. 20; Miq. 

 Fl. Ind. Bat. 3 (1859) 610; Naves Novis. App. (1880) 228; Ridl. 

 in Govt. Lab. Publ. (Philip.) 35 (1906) 86, Philip. Journ. Sci. 4 

 (1909) Bot. 181; Merr. Fl. Manila (1912) 159, Sp. Blancoanae 

 (1918) 110. 

 Renealmia gracilis Blanco Fl. Filip. (1837) 1. 

 Renealmia exaltata Blanco op. cit. ed. 2 (1845) 1, ed. 3, 1 (1877) 2, 



t. i, non Linn. 

 Hellenia gracilis Hassk. in Flora 47 (1864) 19. 



Alpinia gracilis Rolfe in Journ. Linn. Soc. Bot. 21 (1884) 316; Vidal 



Phan. Cuming. Philip. (1885) 152, Rev. PI. Vase. Filip. (1886) 275. 



Alpinia elegans K. Schum. in Engl. Bot. Jahrb. 27 (1899) 288, Pflan- 



zenreich 20 (1904) 352,/. 41 C; Merr. in Govt. Lab. Publ. (Philip.) 



27 (1905) 84, Philip. Journ. Sci. 1 (1906) Suppl. 37. 



Luzon (Apayao, Amburayan, Lepanto, Nueva Vizcaya, Pampanga, Bu- 



lacan, Nueva Ecija, Bataan, Rizal, Laguna, Tayabas, Sorsogon), Polillo, 



Mindoro, Leyte. In thickets along streams at low and medium altitudes; 



represented by numerous collections. Endemic. 



. Local names: Bagombon (Tag.); katkatan (Bis.); katotang (Bis.); 

 salbak (Tag.); tagbak (Tag.); tugbak (Tag.). 



KOLOWRATIA ERUCAEFORMIS Ridl. in Philip. Journ. Sci. 4 (1909) 

 Bot. 182. 



Bucas, Merrill 5258. On dry slopes at the borders of forests at low 

 altitudes. Endemic. 



The genus is confined to the Philippines. 



