Junin: Chanchamayo Valley, at 1800 meters altitude, November 
**1924-1927,"? Carlos Schunke 544 (Type in Herb. Field Mus. No. 
571602; Isorype in Herb. Ames No. 61608); same locality and alti- 
tude, October ‘'1924-1927,’’ Schunke 522; Schunke Hacienda, above 
San Ramon, at 1300-1700 meters altitude, in dense forest, Schunke 
OY 
Epidendrum orbiculatum C. Schweinfurth sp. nov. 
Herba robusta sed humilis. Caulis vaginis laxis infun- 
dibuliformibus celatus. Folia disticha, late patentia, 
pauca, elliptico-oblonga vel ovalia (rarenter oblongo-lan- 
ceolata), infima multo minora. Inflorescentia laxe pauci- 
flora, spatha magna conduplicata subtenta. Flores gran- 
des. Sepalum dorsale ovato-ellipticum, late obtusum. 
Sepala lateralia oblique oblongo-ovata, obtusa vel sub- 
acuta, navicularia, dorso carinata. Petala linearia, obtusa. 
Labellum columnae valde adnatum; lamina simplex, 
suborbicularis, apice valde emarginata, basi distanter et 
breviter bicarinata. Pollinia generis. 
Plant low and stout, up to 25 em. tall (lower part of 
stem incomplete in my specimen). Stem simple or with 
a single abbreviated branch below, straight or arcuate, 
entirely or nearly concealed by loose infundibuliform 
sheaths which are leaf-bearing except near the base, with 
the lower portion producing a few elongate fibrous roots 
which often bear small ellipsoid swellings. Leaves distich- 
ous, widely spreading, four to each stem, elliptic-oblong 
to oval or rarely oblong-lanceolate, up to 7.8 cm. long 
and 8 em. wide (the lower blades much smaller), bilobu- 
late at the rounded or obtuse apex, sessile at the clasping 
base, chartaceous in the dried specimen. Inflorescences 
terminal, few- (3- to 5-) flowered, very loosely racemose, 
subtended by a stout conduplicate spathe which is up to 
3.5 cm. long and about 1.5 em. wide and which entirely 
conceals the short peduncle. Flowers large, long- and 
slender-pedicelled, greenish or greenish brown. Dorsal 
[ 104 | 
