NEW OR NOTEWORTHY ORCHIDS 
nally striate-nervose and densely dark-pubescent. Leaves dis¬ 
tichous, ovate-lanceolate, lanceolate, or elliptic-lanceolate, 
7.1-11.6 cm. long, 2.25-4 cm. wide, abruptly acuminate, ses¬ 
sile with a more or less rounded base, subcoriaceous and 
plicate in the dried specimen, apparently glabrous above 
when mature, rather closely dark-pubescent on the under 
surface, 7-9 nerves rather prominent beneath with the outer 
ones marginal, widely spreading at intervals of 3.2-3.7 cm. 
Inflorescence 1-flowered, terminal; pedicellate ovary en¬ 
closed by 4 pubescent imbricating sheaths of which the 
outer pair are leaf-bearing with very unequal spreading 
blades and the inner 2 are erect inconspicuous tubular-in¬ 
volute and narrowly lanceolate. Flower small for the genus. 
Lateral sepals elliptic-oblong, 3.45 cm. long, 9.2 mm. wide, 
acute with a thickened complicate apex, slightly oblique, 
14-nerved near the base. Dorsal sepal rather similar, ob- 
lanceolate-oblong, about 3.3 cm. long, 8.5 mm. wide beyond 
the middle, acute and mucronate at the thickened apex, 11- 
nerved near the base. Petals oblanceolate, 3.2 cm. long, 
9.1 mm. wide above, sharply acute, 11-nerved near the base, 
upper margins slightly irregular. Labellum tubular-involute 
in natural position, obovate when spread out, about 3.1 cm. 
long, about 2.3 cm. wide near the apex, very broadly rounded 
in front with undulate-crenulate margins, very obscurely 
3-lobed, abruptly acute or mucronate in the center, cuneate 
at base. Disc many-nerved, with a basal pair of short 
fleshy keels forming a V-shaped callus and scattered incon¬ 
spicuous papillae from the base to the center. Column slen¬ 
der, clavate, about 2.2 cm. long, terminating in a tridentate 
wing of which the central tooth is broadly ovate and cucul- 
late, the lateral ones falcate blunt and retrorse. Anther 
pyriform, 2-celled. 
Sobralia atropubescens is distinct from S. neglecta Schltr. 
in having very hairy leaf-sheaths and under surfaces of the 
leaves and differently colored flowers. It differs from A. 
decora Batem. in its more conspicuous pubescence, its dis¬ 
similarly colored flowers and approximately equal width of 
sepals and petals. 
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