down long, flat, aerial roots, that adhere firmly to the wood 

 or cork on which the plant is growing. Leaves three inches 

 long by one inch broad, sessile, oblong-lanceolate, acute, 

 thick, bright green above, pale below. Peduncles, from the 

 bases of the leaves, solitary, simple, one-flowered, one inch 

 long, with two subopposite bracts at the apex ; pedicel short ; 

 ovary slender. Perianth nearly two inches in diameter, spread- 

 ing. Petals obovate-lanceolate, acuminate, of a fine maroon- 

 brown on the inner surface, outer surface and tips greenish- 

 yellow. Lip subquadrate, two-lobed at the apex, white, 

 except at the subauricled base, where there are two large, 

 bright purple spots ; basal ridges lobed. Column with short, 

 entire, margined wings, produced above into subulate pro- 

 jecting horns. Spur much shorter than the sepals, curved, 

 stout.— J. & H. ' 



^ig. 1. Ovary, lip, spur, and column : — macjmfirJ. 



