Vo1 - x ZINGIBERACEAE 237 



Luzon (Bontoc, Benguet), Elmer 8548, Vanoverbergh 4-53. 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. Lean. 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 (Laguna, Sorsogon), Samar, Mindanao, Elmer 10516, 10544, 17501, 

 18071, 16216, 18477a, 16062, B. S. 15919 Fenix, 24242 Ramos, 21504 Escritor, 

 37290, 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. 33'614, 31245, 31239, 29272 Ramos & Edano, 

 24157 Ramos, 11253 McGregor, Baker 3457, Clemens 855, Elmer 7M5, 

 Williams 2402, 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 AlbayJ), Cuming 1327. Not seen. Endemic. 



