sheaths. Leaf carnose, thick, solitarv, terminal, subulate, cari- 

 nated at the back, the margins reflexed. Flower small, arising 

 from the base of the leaf, sessile, the ovary concealed by a large 

 hispid bract. Perianth green, purple within ; dorsal sepal free, 

 ovate, convex ; lateral ones ovate, combined into one, which is 

 very concave, gibbous at the base ; petals white, spotted with 

 dark-purple, linear, reflexed, singularly dilated at the base, each 

 terminated by a bivalved, subglobose, almost black lobe ; label- 

 lum small suddenly reflexed near the middle, ovate, with a 

 blunt tooth at each side, the disk bicarinate : column short, semi- 

 terete, the margin winged, bearing a tooth just below the an- 

 ther, on each side. 



velntlr 7 VieW ' ? n i?' Slde View of a flmver - 3 - Flower > **«. the sepals 

 beZ, r0 S-,T W - \ ? de V CW ° f the Same " 5 - Back of the Petals. 6. La- 

 bellum. 7. Side view of the column and anther. 8. Pollen-masses -.-magnified. 



