or less obtuse tip), cuneate below, submembranaceous; 
about 3.7 mm. long, dorso-ventrally flattened, pilose 
above on the anterior surface, with a triangular-ovate 
shortly bidentate rostellum; anther large, oblong-cord- 
ate, attached near the base of the column. 
Another collection (Sehunke s.n., Herb. Field Mus. 
No. 571640) referable to this species is a small immature 
caespitose plant up to 7 cm. tall with 2- to 3-flowered 
inflorescences. 
Spiranthes pumila differs from S. Fazwcettii Cogn. and 
from Spiranthes cheirostyloides C. Schweinfurth 
comb. nov. (Hapalorchis cheirostyloides Schltr. in Fedde 
Repert. Beihefte 6 (1919) 30) in having smaller flowers 
with dissimilar sepals and petals. 
Junin: Chanchamayo Valley, at 1600 meters altitude, August 1929, 
Carlos Schunke 1886 (Tyrer in Herb. Field Mus. No. 622367); at 1800 
meters altitude, November 1924-1927, Schunke s.n. 
Erythrodes lobatocalcar C.Schweinfurth sp. nov. 
Herba mediocris, probabiliter terrestris, infra foliosa. 
Folia conferta, plura, minora, elliptica, acuta vel breviter 
acuminata, basi cuneata. Caulis supra leviter glanduloso- 
pilosus. Spica cylindrica, multiflora, plusminusve elon- 
gata, tandem laxiflora. Flores parvi. Sepalum dorsale 
ovato-ellipticum, obtusum, concavum. Sepala lateralia 
similia. Petala oblique rhombico-oblanceolata, subacuta. 
Labellum trilobatum, parte basali expansa suborbiculari- 
obovata; lobus terminalis ab ungui perbrevi abrupte 
expansus, reniformi-lunatus, apice rotundato minute 
apiculatus. Calcar clavatum, apice obtuse trilobatum. 
Columna brevis, rostello conspicuo suborbiculari-ovato. 
Plant medium-sized, up to about 30 em. tall (incom- 
plete below). Leaves about eight, mostly crowded on the 
lower part of the stem, mostly short-petioled; lamina 
elliptic (rarely lanceolate-elliptic), up to about 7 em. long 
and 2.5 cm. wide, acute or short-acuminate (with a more 
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