NEW OR NOTEWORTHY ORCHIDS 
uary 25, 1926. 600-700 meters altitude. “Moist forest, 
terrestrial; flowers green; lip yellow.” (Type in Herb. Ames 
No. 33212.) 
Spiranthes ecallosa A. & S. sp. nov. Herba epiphyt- 
ica, pusilla. Folia quattuor, basalia, elliptica, acuta. Caulis 
comparate brevis, vaginis pluribus ornatus. Racemus sub- 
densus. Flores quaquaversi ut videtur, tubulares, erecto- 
patentes. Sepala lateralia anguste lanceolata, acuminata. 
Sepalum dorsale lanceolatum, acuminatum. Petala sepalo 
dorsali adhaerentia, spathulato-linearia. Labellum lanceo¬ 
latum, tubulari-involutum, ecallosum, parte apicali obscure 
lobulata. 
Plant small, 10.7 cm. tall. Roots tuberous, lanuginose. 
Leaves 4, forming a basal rosette; laminae erect-spreading, 
very unequal in size, elliptic, 2.5-5 cm. long, 1.2-1.8 cm. 
wide, sharply acute, gradually narrowed below to a short 
petiole. Stem shorter than the larger leaves, about 5.4 cm. 
long, mostly concealed by 4 tubular scarious sheaths, shortly 
pubescent near the inflorescence. Raceme subdensely many- 
flowered, 5.35 cm. long. Rachis, ovaries and base of flower 
shortly pubescent. Floral bracts lanceolate, up to 1.2 cm. 
long, acuminate, scarious. Lateral sepals narrowly lanceo¬ 
late, 6-6.5 mm. long, nearly 2 mm. wide at the oblique 
base, acuminate, 1-nerved. Dorsal sepal lanceolate, 5.8-6 
mm. long, about 1.8 mm. wide in the middle, acuminate, 
1-nerved. Petals adherent to the dorsal sepal and shorter 
than it, linear-spatulate, 5 mm. long, up to 1 mm. wide above 
the middle, subacute, very oblique above, 1-nerved. Label¬ 
lum lanceolate, 5.5-6 mm. long, 2 mm. wide near the middle, 
sessile and ecallose at base; lower portion oblong, dilated 
into the ovate central part; anterior portion oblong-ovate, 
abruptly acute or obtuse, obscurely and unevenly lobulate. 
Disc 5-nerved near the base, prominently 1-nerved near the 
apex. Column cylindrical, glabrous, about 3.8 mm. long. 
Spiranthes ecallosa is very similar to S. costaricensis 
Reichb. f., but the lip lacks the conspicuous basal calli of 
that species. 
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