^°^' 1 ZINGIBERACEAE 237 



Luzon (Bontoc,, Bengnet), Elmer 85^8, Vanoverbergh j^53. In thickets 

 and on open slopes about limestone bowlders, altitude 1,300 to 1,500 m. 

 Endemic. 



Local names: Alauin (Bon.); barapat (Ig.). 



6. PLAGIOSTACHYS Ridley 



PLAGIOSTACHYS CORRUGATA Elm. Leafl. Philip. Bot. 8 (1915) 2908. 



Mindanao (Davao), Elmer 11130. In forests, altitude about 450 m. En- 

 demic. 



The flowers are unknown; probably no Plagiostachys. 



PLAGIOSTACHYS ELEGANS Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 178. 



Mindanao (Lanao), Clemens. In forests, altitude about 900 m. En- 

 demic. 



PLAGIOSTACHYS ESCRITORII Elm. Leafl. Philip. Bot. 8 (1915) 2910, 

 (1919) 2989. 



Luzon (Lagnna, Sorsogon), Samar, Mindanao, Elmer 10516, 105H, 17501, 

 18071, 16216, 18J^77a, lho62, B. S. 15919 Fenix, 2U2U2 Ramos, 2150^ Escritor, 

 S7290, 37262 Ramos & Edano. In forests at medium altitudes, ascending to 

 1,300 m. Endemic. 



Local names: Bosadak (Bag.); pupundia (Sub.). 



PLAGIOSTACHYS PARVI FLORA (Presl) Ridl. in Philip. Journ. Sci. 4 

 (1909) Bot. 178. 

 Amomum parviflorum Presl Rel. Haenk. 1 (1827) 112, t. 19; Naves 



Novis. App. (1880) 224. 

 Alpinia parviflora Rolfe in Journ. Linn. Soc. Bot. 21 (1884) 316 

 quoad syn. Presl, Vidal Phan. Cuming. Philip. (1885) 152, Rev PI. 

 Vase. Filip. (1886) 275, p. p.; K. Schum. in Engl. Bot. Jahrb. 27 

 (1899) 299, Engl. Pflanzenreich 20 (1904) 368. 

 Luzon (Sorsogon, Leyte, Panay, Mindanao (Agusan), Elmer 16215, 

 Wenzel 305, Merrill 7318, B. S. 31256 Ramos. In primary forests at low 

 altitudes. Endemic. 



PLAGIOSTACHYS PHILIPPINENSIS Ridl. in Leafl. Philip. Bot. 2 (1909) 

 571, Philip. Journ. Sci. 4 (1909) Bot. 177; C. B. Rob. op. cit. 6 

 (1911) Bot. 197; Elm. Leafl. Philip. Bot. 9 (1919) 2989. 

 Plagiostachys ridleyi Elm. Leafl. Philip. Bot. 8 (1915) 2911, (1919) 

 2989. 

 Luzon (Laguna, Tayabas, Camarines), Polillo, Catanduanes, Sibuyan, 

 Panay, Samar, Mindanao, B. S. 33:61Jf, 31245, 31239, 29272 Ramos & Edano, 

 2U57 Ramos, 11253 McGregor, Baker 3U57, Clemens 855, Elmer 79^15, 

 Williams 2Jf02, Elmer 12209. In primary forests at low and medium al- 

 titudes. Endemic. 



Local name: Tagbak (S. L. Bis., Mbo.). 



PLAGIOSTACHYS ROLFEI (K. Schum.) Ridl. in Philip. Journ. Sci. 4 

 (1909) Bot. 179. 

 Alpinia rolfei K. Schum. in Engl. Pflanzenreich 20 (1904) 368. 

 Alpinia parviflora Rolfe in Journ. Linn. Soc. Bot. 21 (1884) 316, 

 p. p. quoad Cuming 1327. 

 Luzon (Cagayan, not Albay!), Cuming 1327. Not seen. Endemic. 



