tribus ornati. Folium lineare, apice abrupte obtusum vel 
rotundatum, basi anguste et indistincte petiolatum. 
Inflorescentia saepissime unica, laxe multiflora. Flores 
mediocres, flavi. Sepala similia, intus superne minute 
pubescentia. Sepalum dorsale lineari-lanceolatum, supra 
longe angustatum. Sepala lateralia oblique lineari- 
triangularia vel lineari-lanceolata, longe acuminata, basi 
mentum conspicuum formantia. Petala multo minora, 
anguste cuneato-oblonga, leviter obliqua, apice cucullato 
rotundata. Labellum in positu naturali arcuato-recur- 
vum, expansum anguste obovato-oblongum, prope me- 
dium utrinque levissime constrictum (igitur subpandura- 
tum), basi sensim angustatum, apice rotundatum; discus 
bicarinatus. Columna parva. 
Plant epiphytic, caespitose. Rhizome abbreviated. 
Roots numerous, fibrous, glabrous. Stems approximate, 
slender, up to 18.5 cm. tall, provided with three close 
tubular evanescent sheaths of which the two lower are 
shorter and imbricating and the upper one larger and 
separate. Leaf solitary, erect or erect-spreading, linear, 
abruptly obtuse to rounded at the apex with a minute 
apicule, gradually narrowed below to an indistinct peti- 
ole, 7.5-12 cm. long, up to 1 cm. wide, generally with 
revolute margins (especially in the lower portions) in the 
dried specimen. Inflorescence commonly solitary (occa- 
sionally two rachises are present on one stem), erect to 
arcuate or flexuous, loosely many-flowered, shorter than 
or exceeding the subtending leaf, up to about 17 cm. 
long. Flowers yellow with a white column. Sepals free 
or connate at the very base, recurved-spreading above, 
finely pubescent within in the upper part, 3-nerved. 
Dorsal sepal linear-lanceolate, long-narrowed to an acute 
or subacuminate tip, concave below, about 1.3 cm. long 
and 2.6 mm. wide across the concave lower portion. 
Lateral sepals obliquely linear-triangular or linear-lanceo- 
[ 103 ] 
