type and Lankester’s no. 1373. 
Roots fibrous, smooth, about 1 mm. in diameter. 
Secondary stems very short, almost obsolete, rarely ex- 
ceeding 2 mm. in length, densely caespitose. Leaves 2—5 
cm. long, 8-10 mm. wide, oblong-elliptic, about 3 mm. 
thick, bidentate at the tip with the mid-nerve extended 
into a short apicule. Peduncle with the raceme up to 9 
cm. long; raceme up to 2.5 cm. long, arcuate. Pedicel 
and ovary about 1 mm. long, sheathed at the base of the 
pedicel by a short infundibuliform bract. Flowers numer- 
ous, distichous, about 4 mm. long. Lateral sepals 1.5—-2 
mm. long, 1-1.5 mm. wide, 3-nerved, connate to about 
the middle, forming a transversely elliptical convex lam- 
ina that is 2-8 mm. wide. Dorsal sepal 3-4 mm. long, 2 
mim. wide, elliptical, obtuse, strongly convex, fleshy, 
8-5-nerved, minutely glandulose on the inner surface. 
Petals about 1 mm. long, 1.5 mm. wide, flabellate or 
transversely elliptical, very fleshy, heavily 1-nerved 
through the middle. Labellum scarcely 1 mm. long, a- 
bout as broad as long, 0.5 mm. thick, quadrate, strongly 
convex in front with an apiculate process at the rounded 
apex, posteriorly convex and densely papillose, shortly 
unguiculate at the base. Column 1 mm. long, 3-lobed 
at the summit, with the posterior lobe truncate or mi- 
nutely denticulate; rostellum linguiform, triangular; 
stigmas confluent beneath the rostellum. Pollinia two. 
Costa Rica, without exact locality. Endres (Type in the Reichen- 
bach Herbarium, being a plant from the horticultural establishment 
of James Veitch); Buenos Aires de Terraba. In scrubby forest on 
slender limbs of trees near a creek. Probably widespread, though only 
a few plants were seen. Lateral sepals, petals and lip brown. Dorsal 
sepal yellow or brown. Anther white, May 1934. (flowering in Car- 
tago in August 1934), C. H. Lankester 1373. 
Stelis inaequalis Ames in Sched. Orch. 4 (1923) 
12; in Standley Flora of the Panama Canal Zone in 
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