Descr.—Pseudobulbs one to two feet high, tufted, 
narrowly clavate, terete, grooved. Leaves three to five, 
terminal, five to eight inches long, ovate- or linear-oblong, 
obtuse, flat, coriaceous. Peduncle ascending from the 
pseudobulb below the leaves, stout, terete, green, bearing a 
few distant, small, oblong, obtuse sheaths. Panicle broad, 
loosely many-flowered. Bracts about half an inch long, 
oblong-lanceolate, obtuse. Pedicels with the ovary about 
two inches long. Flowers three inches broad, white 
streaked and spotted with dark purple. Sepals and 
petals subequal in length, spreading and recurved, almost 
twisted, margins crispedly undulate; sepals narrowed from 
a broad triangular base into a subulate-lanceolate tip; 
petals much narrower, strap-shaped. Lip rather longer 
than the sepals, lobulately undulate; side-lobes small, 
lunate, together forming a cup around the stout column; 
mid-lobe narrowly panduriform, terminating in a long, 
narrow, subulate-lanceolate recurved tip; disk with many 
thick, crenate ridges, and with three parallel pyriform calli 
at the base.—J. D. H. 
Fig. 1 and 2, portion of lip showing the calli; 3, column; 4, pollinia :— 
all enlarged ; 5, reduced view of whole plant. 
