CENTRAL AMERICAN ORCHIDS 
pressis obtecti, monophylli. Folium bene marginatum, 
margine minute ciliatum, anguste ellipticum, utrinque at- 
tenuatum, nervo medio subtus minute ciliatum. Flores atro- 
sanguinei. Sepala in basi cohaerentia. Sepala lateralia 1am- 
inam valde concavam formantia, extus glandulosa, usque 
ad apicem obtusum cohaerentia. Sepalum dorsale multo 
angustius, valde concavum, glandulosum, triangulari-lan- 
ceolatum. Petala subspathulata, acuta, binervia, labello 
multo longiora. Labellum unguiculatum, subsagittatum, 
subacutum, bilamellatum, lamellis convergentibus. Unguis 
utrinque lobulis prope basim. Columna valde incrassata. 
Secondary stems densely caespitose, 1-2.5 cm. long, 
when young concealed by tubular purple-spotted hispidulous 
sheaths, monophyllous. Leaves 2.5-4 cm. long, about 7 mm. 
wide at the middle, tapering at both ends, narrowly elliptic, 
marginate, the margins and median nerve distinctly and 
closely ciliate. Pedicel short, concealed by an ample sheath 
which is closed in front for half of its length. Ovary 4 mm. 
■j long, glandular-pubescent. Flowers atro-sanguineous, about 
1 cm. long. Lateral sepals coherent at base with the upper 
sepal, forming a strongly concave glandular-pubescent lam¬ 
ina which is broadly elliptical when spread out. Dorsal 
sepal 8.5 mm. long, linear-triangular, densely glandular- 
pubescent. Petals 6 mm. long, about 2 mm. wide above the 
middle, subspatulate, 2-nerved, glandular-pubescent on the 
upper half, acute. Labellum 2.5 mm. long, 1 mm. wide 
near the middle, distinctly unguiculate with a minute lobule 
on each side at the base of the claw, subsagittate in front of 
the claw, subacute at the apex, bilamellate, with the lamellae 
converging. Column about 1.5 mm. long, very stout. 
Panama, Foothills east of Panama, C. W. Powell 278. 
Grows in shady places. Leaves dark velvety green, lying 
flat on the limbs of trees. Flowers in February. Sea level. 
(Type in Herb. Ames No. 23160.) 
Masdevallia panamensis iSchltr.) Ames comb. nov. 
Scaphosepalum panamense Schltr. in Fedde Report. 12 
(1913) 205. Masdevallia Livingstoneana Schltr. in Fedde 
Report. Beihefte 17 (1922) 15, non Roezl & Reichb. f. 
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