NEW OH XOTKWOl^TIIY ORCHIDS 
An epiphytic caespitose herb with slender fibrous roots. 
Secondary stems crowded, about 5 mm. long, slender, 
sulcate when dry, monophyllous. Leaf 1.8-2.1 cm. long, 
- 1.5-2 mm. wide, linear-oblong, obtuse, with the mid-nerve 
^ very prominent in dried specimens. Peduncle 1-flowered, 
about 3.5 cm. long, copiously glandular-pubescent, with a 
' closely appressed tubular sheath near the middle. Pedicel 
and ovary glandular, about 4 mm. long, subtended by an 
infundibuliform, glandular sheath. Flower Pompeian red 
(Ridgwai/), 7 mm. long. Lateral sepals 8 mm. long, about 
1 mm. wide near the middle, united below the middle, 
linear-lanceolate, with the margin glandular, acute, strongly 
carinate on the outer surface along the mid-nerve with the 
carinae distinctly glandular on the edge. Dorsal sepal about 
8 mm. long, 1.5 mm. wide near the middle, narrowly lanceo- 
, late, acute, strongly concave near the base, glandular on the 
outer surface and along the margin. Petals 3 mm. long, 
1.5 mm. wide above the middle, dilated upward from an 
• oblong-cuneate base, rounded in front below the apex and 
0 ^ abruptly contracted into the acute tip (subdolabriform), 
2-nerved. Labellum 3.5 mm. long, about 1 mm. wide, un- 
guiculate; lamina subpandurate from a cordate or some¬ 
what sagittate base, obtuse, slightly glandular on the mar¬ 
gin and upper surface, ecallose, 3-nerved. Column 2 mm. 
long, rather slender, bicuspidate in front at the summit. 
Pleurothallis glandulosa is closely allied with P. pgrsodes 
Heichb. f., from which it differs conspicuously in the shape of 
the leaves and in the densely pubescent peduncle and ovary. 
P. Dussii Cogn. is similar in habit, but quite different in 
having the peduncle subequal to the leaves and in its very 
different petals. 
Panama, Juna Grande range, C. W. Powell 306. Flowers 
^ ■ in .June. Grows on limbs of trees. Sea-level. (Type in 
Herb. Ames No. 26881.) 
Pleurothallis gnomonifera Ames sp. nov. Herba 
epiphytica, caespitosa. Caules secundarii vaginis foliorum 
omnino obtecti. Vaginae foliorum prope apicem valde di- 
latatae, in laminam ovatam expansae, margine hispidulae. 
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