Vol. 1 ZINGIBERACEAE 231 



Batan Islands and northern Luzon to Mindanao. In most islands and 

 provinces. Common in primary forests at low and medium altitudes. 



Local names: Apat (Ig.) ; bagongbong (Bis.); banai (Pamp.) ; gagad- 

 no-koran (Iv.) ; katkatan (Pamp).; katolan (Bis.); katotang (Bis.); luya- 

 luya (Tag.) ; malatalbak (Tag.) ; panauil (Bon.) ; parapad (Ig.) ; tagbak 

 (Bik., Tag., C. Bis.) ; tagbak-gubat (Tag.) ; tagbak-matsing (Tag.) ; tagbas 

 (C. Bis.); talbak (Tag.); tugis (S. L. Bis.). 



LANGUAS COPELANDII (Ridl.) comb. nov. 



Alpinia copelandii Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 164. 

 Mindanao (Zamboanga), Copeland. In forests at low altitudes. En- 

 demic. 



LANGUAS CUMINGII (K. Schum.) comb. nov. 



Alpinia cumingii K. Schum. in Engl. Pflanzenreich 20 (1904) 315; 



Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 187. 

 Alpinia chinensis Vidal Phan. Cuming. Philip. (1885) 152, Rev. PI. 

 Vase. Filip. (1886) 274, non Rose. 

 Luzon (Albay), Cuming 859. Of this I have seen only a few detached 

 flowers. Endemic. 



LANGUAS DIVERSIFOLIA (Elm.) comb. nov. 



Alpinia diversifolia Elm. Leafl. Philip. Bot. 8 (1915) 2919. 

 Vanoverberghia diversifolia Elm. op. cit. 2913. 

 Luzon (Benguet), Elmer 8853. In damp ravines, altitude about 1,000 

 m. Endemic. 



LANGUAS FLABELLATA (Ridl.) comb. nov. 



Alpinia flabellata Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 188. 

 Batan Islands and northern Luzon to Mindanao, Merrill Phil. PI. 831, 

 B. S. 31885 Santos, 2718, 2871 Mearns. Not always easily distinguishable 

 from A. brevilabris Presl. In forests at medium altitudes ascending to 

 2,000 m. Endemic. 



Var. MAJOR (Ridl.) comb. nov. 



Alpinia flabellata Ridl. var. major Ridl. 1. c. 



Range and habitat of the species and doubtfully distinct even as a 

 variety. 



Local names: Bilau (Sub.); tagbak-gubat (Bik.); tagbak-lalaki (Tag.); 

 tuka-maya (Tag.). 



LANGUAS FOXWORTHYI (Ridl.) comb. nov. 



Alpinia foxworthyi Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 189; 

 Elm. Leafl. Philip. Bot. 8 (1915) 2887. 

 Palawan, B. S. 772 Foxworthy, Elmer 12930. In forests at low altitudes. 

 Endemic. 



LANGUAS GLABRESCENS (Ridl.) comb. nov. 



Alpinia glabrescens Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 185. 



Batan Islands (Batan,, Sabtan), B. S. 3679 Fenix, 31U1 Mearns, 10156 

 McGregor. On slopes at low altitudes. Endemic unless identical with 

 some Formosan species represented by Faurie 975 of his 1913 collection. 



Local name: Gagad (Iv.). 



