angustata. Inflorescentia lateralis, basalis, arcuato-recur- 
va, foliis longior. Racemus dense multiflorus. Bracteae 
floresque reflexi. Flores parvi, omnino glabri, segmentis 
patentibus. Sepalum dorsale valde tornicatum et conca- 
vum, expansum lanceolato-oblongum, acutum. Sepala 
lateralia in laminam oblongo-lanceolatam vel lanceolato- 
ellipticam minute bidentatam connata. Petalalanceolato- 
oblonga vel oblanceolato-oblonga, subacuta. Labellum 
parvum, unguiculatum; lamina rhombico-ovata, parte 
inferiore carinata. Columna satis longa, cylindracea. 
Plant small, caespitose. Roots fibrous, glabrous. Rhi- 
zome abbreviated. Pseudobulbs small, aggregated, com- 
planate-cylindric, unifoliate, rugose-striate in the dried 
specimen, about 1.3 cm. or less long, invested and more 
or less concealed by several distichous closely imbricating 
sheaths of which the upper one or two on each side are 
leaf-bearing. Leaves oblong or oblanceolate-oblong, 
rounded at the apex with slightly unequal lobes and a 
caducous apicule, more or less narrowed below with a 
conduplicate base, 4.8-11.3 em. long, about 1.4 em. or 
less wide, thickly coriaceous, with the mid-nerve rather 
prominently exserted beneath. Inflorescences lateral, 
basal, solitary, arcuate-recurved, more or less surpassing 
the leaves; peduncle about 7.5 cm. or less long, pro- 
vided with a few short, erect-spreading sheaths which 
are remote above and imbricating at the base; raceme 
densely many-flowered (incomplete in our specimens). 
Floral bracts short, linear-lanceolate, reflexed. Flowers 
small, reflexed, entirely glabrous, with widely spreading 
subfleshy segments. Dorsal sepal strongly fornicate and 
concave, when expanded lanceolate-oblong, acute, about 
5 mm. or less long and 2 mm. wide. Lateral sepals con- 
nate into an oblong-lanceolate or lanceolate-elliptic 
deeply concave lamina which is minutely bidentate at 
the apex and is about as long and broad as the dorsal 
[ 204 | 
