ORCHIDACEAE QUAEDAM AMERICANAE 
1.75 mm. long, constricted near the middle, dilated above, 
entire. 
Costa Rica, La Palma, W. W. & H. E. Rowlee 236, 
July 8, 1918. (Type in Herb. Ames No. 22497.) 
Lepanthes mirabilis Ames sp. nov. Herba caespitosa. 
Caules vaginis tubulatis obtecti. Vaginae usque ad apicem 
dilatatae, nervis scabridulis, apice infundibuliformi-dilatatae. 
Folium marginatum, breviter petiolatum, anguste ellipticum. 
Sepala cohaerentia, lateralibus ovatis, longe caudatis, sepalo 
dorsali triangulari-caudato. Labellum trilobatum, lobis 
lateralibus lineari-triangularibus, divaricatis ad basim co- 
haerentibus, lobo medio parvo, anguste oblongo-subacuto. 
Columna brevis. 
Roots very coarse, about 1 cm. long, 1 mm. thick. Second¬ 
ary stems caespitose, 1 cm. long, concealed by two tubular 
sheaths that become dilated and obliquely infundibuliform 
near the apex, nerves of the sheaths minutely scabrous. 
Leaf 8-11 mm. long, 4-5 mm. wide, narrowly elliptical, 
marginate, tapering toward the tip, contracted at base into 
a short petiole. Peduncle with the raceme up to 22 mm. 
long, slender, erect, with a few closely oppressed sheaths 
below the raceme. Raceme 5-8 mm. long, bearing about 
eight flowers. Floral bracts acute. Pedicels 1 mm. long. 
Flowers pale yellow, about 1 mm. apart. Sepals united at 
base, membranaceous, the laterals coherent nearly to the 
middle, ovate, caudate from a broad base, 7 mm. long, 2.5 
mm. wide above the point of union, abruptly caudate; cauda 
3 mm. long, linear-triangular, 1-nerved. Dorsal sepal tri¬ 
angular, 6.8 mm. long, caudate tipped, 3-nerved, about 3 
mm. wide across the base. Petals nearly 2 mm. long, .5 mm. 
wide, oblong, acuminate, acute, enervose. Labellum 3-lobed; 
lateral lobes elongated, 2 mm. long, .5 mm. wide at base, 
divaricate, linear-triangular, united at base above the 
minute middle lobe, enervose; middle lobe less than .5 
mm. long, linear-subacute, hardly equalling the protuberant 
rounded anterior basal angle of the lateral lobes. Column 
about 1 mm. long. 
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