ceolata, obtusa et apiculata vel rare acuta. Inflorescentia 
pauciflora, nutans. Sepalum dorsale ellipticum vel oblan- 
ceolatum, obtusum, trinervium, carnosum. Sepala later- 
alia lanceolata vel ovato-lanceolata, obtusa vel acuta, 
obliqua, tri-vel obscure quinquenervia, carnosa, apiculata. 
Petala anguste linearia vel filiformia, obtusa, uninervia, 
leviter obliqua. Labellum columnae adnatum; lamina 
rhombieca vel transverse rhombica, acuta, Carnosissima, 
ecallosa, cochleata. Columna sectionis. 
Caespitose, epiphytic or terrestrial herbs up to 4.5 dm. 
tall. Stems slender, profusely branched. Leaves 15-40 
mm. long, 2.5 mm. broad, linear to lanceolate, obtuse 
and apiculate or rarely acute: leaf-sheaths verrucose. In- 
florescence few-flowered, nodding; bracts up to 6 mm. 
long, ovate-lanceolate, acute or acuminate, cucullate. 
Dorsal sepal 7-8 mm. long, 2.5-8 mm. broad, elliptic 
to oblanceolate, obtuse, 3-nerved, fleshy. Lateral sepals 
6.5-7.5 mm. long, 38-8.5 mm. broad, lanceolate to ovate- 
lanceolate, obtuse or acute, oblique, 8- or obscurely 5- 
nerved, fleshy, with a dorsal apicule near the apex. Petals 
about 6.5 mm. long and 0.5-0.8 mm. broad, narrowly 
linear or filiform, obtuse, 1-nerved, slightly oblique. Lip 
adnate to the column; lamina 4.6 mm. long and 4-6.5 
mm. broad, rhombic to transversely rhombic, acute, very 
fleshy, without conspicuous calli, cochleate, with the sides 
erect and enfolding the apex of the column; claw about 
2mm. long, adnate to the column. Column of the sec- 
tion, about 4 mm. long. 
Ecuapor: terrestrial, Paramo of Minza, Province of Tunguragua, 
at 3800 meters altitude, ‘““fowers greenish-yellow, becoming yellower 
with age,’’ labellum distinctly fleshy, April 9, 1939, Penland & Sum- 
mers 376 (Tyre in Herb. Ames No, 57926). 
Epidendrum rhombochilum does not seem to be closely 
allied to any species, although there are many species 
which are similar in habit. 
[12] 
