NKW OH NOTliWOHTIIY OHCllIDS 
nate, acute, carinate along the middle on the outside, with 
the keel prominent, decurrent on the ovary and continued 
above beyond the apex of the sepal. Dorsal sepal 7 mm. 
long, 2 mm. wide, oblong, gradually tapering to an acute tip, 
carinate. Petals 6 mm. long, about 1 mm. wide, narrowly 
triangular-lanceolate, acute, 3-nerved. Labellum including 
the adherent base 6 mm. long, free portion 4 mm. long, about 
2.5 mm. wide, triangular, acuminate, acute, very fleshy, 
rounded at the basal angles, 5-nerved. Column 3 mm. long, 
very stout, truncate at the tip, adherent almost to its tip 
with the base of the labellum. 
Closely allied to Epidendrum trachythece Schltr., which 
has a very different labellum. 
Costa Rica, C. II. Lankesters. n. Received at the Royal 
Gardens, Kew, in 1923. (Type in Herb. Ames No. 26978. 
Duplicate from type plant in Herb. Kew.) 
Epidendrum simulacrum Ames sp. nov. Caules 
erecti, vaginis foliorum omnino obtecti. Folia disticha, inter 
se satis distantia, oblonga, utrinque leviter angustata, apice 
inaequaliter bilobata, coriacea, patentia. Inflorescentia 
terminalis, subumbellata, plus minusve quadriflora. Pe- 
dunculus abbreviatus. Rracteae inflorescentiae in sicco 
scariosae, pedicellis multo breviores. Sepala lateralia plus 
minusve oblanceolata, acuta, apice valde incrassata, sub- 
triquetra. Sepalum dorsale simile, apice valde incrassatum, 
subteres. Petala lineari-spathulata. Labellum simplex vel 
obscure et sparse crenulatum, cordatum, prope basim 
laminae bicallosum. Columna labello adnata, clinandrio 
minute dentato. 
Stems 19-24 cm. tall, concealed by the sheaths of the 
distichous leaves, somewhat dilated upward. Leaves 2-2.5 
cm. apart, 4 cm. long, 1 cm. wide, oblong, narrowed toward 
the ends, obtusely and unequally bilobed at the tip, spread¬ 
ing. Inflorescence terminal, subumbellatc, few-flowered. 
Peduncle hardly 1 cm. long, with the rachis 6 mm. long. 
Flowers green, long-pedicellate, borne in umbel-like clusters. 
Pedicel with the ovary about 2 cm. long, slender. Lateral 
sepals 1 cm. long, 2.5 mm. wide above the middle, ob- 
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