Descr. It is a caulescent species, with rather remote 

 oblong -lanceolate, somewhat distichous leaves, striated, 

 waved, and having long, sheathing bases, which clothe the 

 entire stem. The raceme of flowers springs, as it were, from 

 the sheathing base of the upper leaf, and is drooping. It 

 consists of from six to eight large, delicate flowers, with 

 large, concave, ovate, deciduous bracteas. Petals and 

 sepals spreading, nearly equal, oblong-lanceolate, acumi- 

 nate, white. Lip shorter than the perianth, oblong, the 

 sides involute, the apex spreading and much waved and 

 ciliated : the whole white ; but on the disk of the labellum 

 are five longitudinal lines of soft, erect, short, purple spines. 

 Column semicyliudrical, dilated upwards. Pollen-masses 

 eight, yellow. 



Fig. 1. Column. 2. Pollen-masses. 3. Lip : — magnified. 



