sometimes short and subcorymbose, flowers spreading, minutely 

 pubescent, bracts white membranous or papery, obtusely acute, 

 shorter than the ovaries ; side sepals oblong acute, 8 mill, long ; 

 odd sepal posticous, about 1'2 cm. long, oblong and erect from 

 the base for about f of its length, then deeply bilobed, lobes 

 somewhat obovate angular crenulate, sharply twisted at their 

 base so that their under surface is turned to the front, spur pen- 

 dulous conical and blunt, 3-4 mill, long (or filiform and 4-6 mill, 

 long); petals broad and subreniform at base, arching over the 

 column, thence abruptly narrowed, lanceolate-subulate ascending 

 and spreading, about 1 cm. long ; lip lanceolate or linear-lanceo- 

 late, slightly waved, 8-9 mill, long; rostelhnn very low, the 

 viscid surface of the pollinary glands on the under side; ovary 

 slender straight, capsule l*8-2*5 cm. long. 



Described from several living and dried specimens. Colour of 

 the flowers mostly pure white, the petals and lip sometimes 

 faintly streaked or spotted with pink or purple. A very distinct 

 species unlike any other, unless D. attenuata, LincUey, which I 

 have never seen in a living state, nor of which have I had an 

 opportunity of dissecting dried specimens. I suspect it to be a 

 mere variety. From all others the present species seems well 

 distinguished by its peculiarly twisted odd sepal, but this is not 

 obvious, nor indeed easily to be made out, in dried specimens. 

 The habit is very much that of D. Draconis, or D. Ilarveiana 

 (which belong to the same group) in miniature. 



