Descr. Pseudobulbs clustered, subglobose, truncate or de- 
pressed above, one quarter to half an inch in diameter; from 
the centre of the depressed disk rises the slender filiform 
scape (or pair of scapes) from a minute scaly mammilla. Scape — 
one and a half to two and a half inches long, purplish or 
crimson below, with one or two minute sheathing squame. 
Flower solitary, half to two-thirds of an inch long. Posterior 
sepal ovate, acute, white, or tinged with rose ; lateral sepals ob- 
liquely ovate, acute, equalling the posterior sepal, produced 
below and adnate to the column, forming an extinguisher-like 
obtuse or retuse, slightly curved, greenish-tipped spur. 
Lateral petals oblong or oblanceolate, nearly equalling the 
sepals, white or faint blush. Zadellum narrowed below into 
a distinct claw, with three subprominent, papillose, longi- 
tudinal ridges, more or less orange below and on the median 
line, transversely blotched with rose-purple above; lateral 
lobes broadly rounded, median lobe bifid, with rounded 
segments. Free apex of the column very short; anthers 
convex, rose or purple. Podlen-masses eight, in two opposed 
parallel pairs of four each, connate at the base.—D. O. 
Fig. 1, Side, and 2, front view of flower; 3, labellum; 4, column; 5 and 
6, lateral and front view of pollinia:—all more or less enlarged. 
