stands in jeopardy. In our greenhouses (for the plant is a cool 
orchid) we generally obtain only racemes bearing some distant 
triangular acuminate sheaths below, and a raceme of from four to 
twelve nodding flowers. Bracts triangular, acute, nearly equal- 
ling the curved flower-stalks. Ovaries prismatic, with undulated 
wings. Sepals thickish, ligulate-acute, greenish outside, greenish 
with brownish streaks inside. J'epals narrower, spathulate, acute, 
of the same texture and colour. Lip united at the very base of 
the column or quite free, cuneate, dilated towards the apex, with 
triangular or rhomboid lateral lobes, and a produced cuneate 
dilatate retuse emarginate or apiculate middle lobe: the basilar 
part of the lip bears a long callosity, tridentate at its apex in the 
middle of the lip, and generally with two furrows ; it is white or 
yellowish white. The column is trigonous, usually bent back, 
bearing an immersed tridentate anther-bed, the central tooth 
being usually retuse: it is green, with some purplish spots, dots 
and rays. ‘The anther-case is rounded. 
Materials : — Living specimens in various gardens, and nu- 
merous specimens in our collection; also seen in Dr. Lindley’s 
herbarium ; numerous sketches prepared at various times. 
Tab. 86.— The whole plant. 1, a flower seen from the front; 2, side 
view of a flower, the sepals and tepals removed; 3, expanded lip + ; 
4, column from the interior side +; 5, pollinaria-+; 6, ditto, side 
view +. All the figures are due to W. Wilson Saunders, Esq., whose 
chaste representations are free from any artistical exaggeration.—H. G. Ri. f. 
This species, remarkable for its neat habit and very glaucous 
bulbs and leaves, I first received from Mons. Linden, but from 
what country I do not know. Afterwards I obtained it from 
Guatemala through the late Mr. G. U. Skinner, and more recently 
from Costa Rica, sent from thence by Mr. Carmiol. It grows 
freely in a pot or basket filled with rough peat and sphagnum, 
placed in the Mexican house, where it flowers regularly. — 
Wea: 
