NEW OR NOTEWORTHY ORCHIDS 
The description was made from a single dried plant. 
Costa Rica, Province of Guanacaste, La Tejona, North 
of Tilaran, Paul C. Standley & Juvenal Valerio 45978, Jan¬ 
uary 25, 1926. 600-700 meters altitude. “On tree; flowers 
green.” (Type in Herb. Ames No. 33215.) 
Spiranthes Valerio! A. A: A. sp. nov. Herba terrestris, 
gracilis. Radices magnae, tuberosae, lanuginosae. Folium 
singulum, basale, marcidum. Caulis glaber, vaginis quattuor 
vestitus. Racemus pusillus, laxiflorus. Sepala lateralia 
linearia, obtusa. Sepalum dorsale oblongum. Petala sepalo 
dorsali adhaerentia, lineari-spathulata. Labellum in cir- 
cuitu quadratum, prope apicem obscurissime trilobatum, 
ad basim utrinque calloso-incrassatum. 
Plant small, terrestrial, about 17 cm. tall. Roots rela¬ 
tively large and stout, tuberous, lanuginose. Leaf solitary, 
basal, withered and decayed at flowering-time. Stem slen¬ 
der, altogether glabrous, clothed with 4 tubular scarious 
sheaths. Raceme very slender, 5 cm. long, loosely 6-flowered, 
glabrous throughout. Floral bracts lanceolate, long acumi¬ 
nate, scarious, the lowermost and largest 1.55 cm. long, 
erect and clasping the ovaries. Flowers inconspicuous, pink¬ 
ish white, horizontal. Sepals minutely erose at the apex of 
the involute margins. Lateral sepals linear, 5-6 mm. long, 
about 1.6 mm. wide, obtuse, oblique at base, conspicuously 
1-nerved and dorsally unicarinate. Dorsal sepal oblong, 
about 5 mm. long, up to 2 mm. wide, obtuse or acute, 
1-nerved with a pair of short less prominent lateral nerves. 
Petals conspicuously shorter than the dorsal sepal and ad¬ 
herent to it, linear-spatulate, about 5 mm. long, 1.5 mm. 
wide beyond the middle, obtuse or subacute, upper half 
more or less oblique with margins irregularly erose. Labellum 
oblong-quadrate in outline, about 5 mm. long, 2.6 mm. wide 
in the middle where broadest, subsessile with basal auricles 
broadly rounded and callose-thickened, the anterior third 
suborbicular and crenulate-crispate. Disc 3-nerved, inner 
surface pubescent on the basal and anterior parts. Column 
characteristic of the genus, shortly pubescent on the an¬ 
terior face. 
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