terminal lobe subrotund, obtuse, upper surface papillif- 
erous; basal half of the lip with two sharply angled lobes, 
dise puberulent. Column 4—5 mm. long, puberulent be- 
low; anther subrotund, with a callus-thickening in the 
middle. 
Mexico: inoak and pine forest between Guanacevi and Guadalupe 
y Calvo, Durango to Chihuahua, longitude ca. 105°56! west, latitude 
25°56’ north, at ca. 2200 meters altitude, February 24, 1936, Juan 
G. [onzdles| 5023 (Tyew in Herb. Ames No. 51352); ibid, February 
10, 1936, Juan G. [onzdles| 5018. 
Both of the specimens cited were flowered in Cuerna- 
vaca from roots sent in by the collector. 
Spiranthes falcata is somewhat allied to S. eriophora 
Robins. & Greenm. 
Spiranthes Gonzalezii L. O. Williams sp. nov. 
Herbae parvae, terrestres, usque ad 25 cm. altae. Folia 
rosulata, oblanceolata vel obovata, obtusa vel acuta. Sepa- 
lum dorsale ovato-lanceolatum, obtusum. Sepala lateralia 
lanceolata, obtusa. Petala lineari-oblonga vel lineari- 
lanceolata, obtusa, leviter falcata. Labellum ovato-sagit- 
tatum, prope apicem constrictum, breviter unguiculatum, 
plusminusve carnosum. 
Small terrestrial herbs up to about 25 cm. tall. Scapes 
slender, with several scarious bracts. Leaves basal, 6-14 
em. long and 1.3-8.5 em. broad, oblanceolate to obovate, 
obtuse or acute, thin, tapering gradually into a short 
petiole. Inflorescence strict, many-flowered; flowers 
small for the genus. Dorsal sepal about 3 mm. long and 
1.5 mm. broad, ovate-lanceolate, obtuse, obscurely 3- 
nerved. Lateral sepals about 8 mm. long and 1 mm. 
broad, lanceolate, obtuse, 1-nerved. Petals about 3 mm. 
long and 0.75 mm. broad, linear-oblong to linear-lanceo- 
late, obtuse, slightly faleate, 1-(2-)nerved, lightly adnate 
to the dorsal sepal. Lip about 2.5 mm. long and 1.5 mm. 
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