CENTRAL AMERICAN ORCHIDS 
inflorescence about 3.5 mm. long, concave, acute, equaling 
the ovary, scarious in dried specimens. Lateral sepals about 
5 mm. long, 2 mm. wide, oblong, acuminate, acute, with the 
apex carinate-thickened, 5-nerved. Dorsal sepal 5 mm. 
long, about 2 mm. wide, rounded toward the base, oblong, 
acuminate, acute, 5-nerved. Petals 4.5 mm. long, .75 mm. 
wide, linear, acute, fleshy, 3-nerved. Labellum adnate to 
the column, the free portion about 4 mm. long, 2 mm. wide 
at the base, triangular with the basal angles rounded, apical 
third much thickened. Disc ecallose, veins thickened. 
Column 2 mm. long, fleshy, entire at the apex. 
Allied to Epidendrum ramosum Jacq., from which it 
differs conspicuously in its more densely branching habit, 
and smaller leaves. 
Costa Rica, near Cartago, C. H. Lankester & Alfredo 
Sancho 384. 6000 feet altitude. (Type in Herb. Ames No. 
23158.) 
Epidendrum santaclarense Ames sp. nov. Caules 
rigidi, ramosi, foliosi. Folia disticha, rigida, ligulata, valde 
coriacea, nervo medio subtus prominenti. Racemus plus 
minusve sexflorus, terminalis. Flores virides, distichi, inter 
se distantes. Bracteae inflorescentiae elongatae, margine 
involute, pedicellum obtegentes. Sepala lateralia ligulata, 
usque ad apicem angustata, subacuta, rigida. Sepalum 
dorsale subsimile. Petala lineari-oblonga. Labellum a basi 
cordata in laminam lanceolatam productum. Discus callo 
excavate, acute instructus; callus antice in lineam in- 
crassatam productus. Columna apice minute denticulata. 
Stems about 4 mm. in diameter, branching, leafy, 
sparsely rooting above on the defoliated portions. Leaves 
4-6.5 cm. long, up to 1.5 cm. wide, jointed to rigid closely 
appressed complanate sheaths, 5-20 mm. apart, distichous, 
the lamina rigidly coriaceous, ligulate, with the mid-nerve 
prominent. Peduncle floriferous nearly to the base, terminal, 
with the raceme 7-8 cm. long, about 2.5 cm. across, six to 
seven or more flowered, subtended by about two closely 
appressed obtuse bracts and by the much reduced upper¬ 
most leaf of the stem. Bracts of the inflorescence 2.5 cm. 
49 
