lateralia majora, oblique ovato-lanceolata. Petala linearia 
vel lanceolato-linearia, leviter subfaleata. Labellum basi 
semigloboso-dilatatum et columnae alis valde adnatum; 
lamina pandurato-subquadrata, apice retusa vel bilobata, 
basi breviter tricarinata. Columna omnino bialata. 
Plant epiphytic, slender, lax. Stem slender, simple or 
sparingly branched, suberect to arcuate-flexuous, entirely 
concealed by close tubular leaf-sheaths, about 81 cm. or 
more long (incomplete in our specimen). Leaves (re- 
maining only on the upper sheaths) distichous, numer- 
ous, narrowly linear to lanceolate-linear, abruptly round- 
ed and apiculate at the apex, scarcely narrowed at the 
sessile semiamplexicaul base, up to 8.5 cm. long and 5 
mm. wide, chartaceous. Inflorescence terminal, nodding, 
short, racemose, with the slender rachis about 2.5 cm. 
long; raceme rather densely 9-flowered; floral bracts 
narrowly triangular-lanceolate, about one half as long as 
the pedicellate ovary. Flowers rather small, pinkish 
white, with spreading segments. Dorsal sepal elliptic- 
lanceolate, subacute, 3-nerved, with numerous prominent 
uncinate appendages on the outer surface, about 9.5 mm. 
long and 8.5 mm. wide. Lateral sepals ovate-lanceolate, 
very oblique, acute, semiorbicular-dilated at the base in 
front, with numerous prominent subconical appendages 
on the outer surface, about 11 mm. long and 5.4 mm. 
wide near the base. Petals linear or lanceolate-linear, 
abruptly acute, lightly subfaleate, 3-nerved, with mi- 
nutely erose margins, about 10 mm. long and 2.2 mm. 
wide near the base. Lip slightly exceeding the sepals, 
strongly adnate to the wings of the column at the com- 
planate-semiglobose base, about 12.8 mm. long in great- 
est length; lamina pandurate-subquadrate, retuse to 
bilobed in front, broadly cuneate below, with denticulate- 
erose margins, about 8.8 mm. wide across the basal por- 
tion; dise with a short tricarinate callus at the base, the 
[ 108 J 
