II. MONANDILE-BASITONiE 



2. HERMINIUM R. Br. 



One species is known to be a native of the Philippines. About 

 twenty species have been described. 



1. Herminium angustifolium (Lindl.) Benth. MS. ex Hook. 

 f. Fl. Brit. Ind. 6 : 129. Aceras angustifolia Lindl. Wall. Cat. no. 

 7061. 



H. angustifolium is a native of Formosa, Japan, Timor, Java, 

 Manchuria, Hupeh, Khasia Hills, Tenasserim, Sikkim, and the 

 northwestern Himalayas. 

 Luzon, common in Benguet. 



3. HABENARIA Willd. 



Platanthera and Peristylus are here included. In the third vol- 

 ume of Orchidace^e I gave my reasons for keeping Habenaria 

 intact. In Die Orchidaceen von Deutsch-Neu-Guinea, Dr. R. 

 Schlechter refers Peristylus to Habenaria as a section and keeps 

 Platanthera as a distinct genus. 



1. Habenaria al&gerisYS Ames in Phil. Journ. Sci. 2 : 312. H. lu- 

 zonensis Ames in Elmer's Leaflets of Phil. Bot. 5 : 1550. 



Luzon, Leyte, Mindanao, Mindoro. 



2. Habenaria Amesiana ( Schltr. ) comb. nov. Platanthera Amesi- 

 ana Schltr. in Fedde Rep. 9 : 212. Habenaria angustata Ames 

 Orchidace^e 2 : 26 not Kuntze. Aside from details in form which 

 help to distinguish H. Amesiana from H. angustata, there is a 

 conspicuous difference in the size of the flowers. Specimens from 

 the Philippines and specimens from Java, the latter determined 

 by J. J. Smith, are before me, which show a difference of 7 mm. 

 in the length of the spur; that of H. angustata measuring 14 mm., 

 that of H. Amesiana 7 mm. 



Luzon. 



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