CENTRAL AMERICAN ORCHIDS 
in length. Inflorescence fasciculate. Peduncle with the 
flower about 2 cm. long. Lateral sepals 5 mm. long, coherent 
to the tip, forming a suborbicular lamina which is about 
5 mm. wide at the middle and 4-nerved nearly to the tip. 
Dorsal sepal 6 mm. long, about 3 mm. wide, concave, nar¬ 
rowly elliptical, obtuse, 3-nerved. Petals 4 mm. long, 
linear-triangular, acute, subtriquetrous above the middle, 
thickened at the tip, 1-nerved. Labellum fleshy, 2 mm. 
long from point of insertion to the tip, orbicular-cordate, 
apiculate, auricles of the cordate base obtuse. Disc ecallose. 
Column about 2 mm. long, with an abbreviated foot, 
fleshy, entire at the apex, constricted near the middle. 
In the structure of the flower somewhat resembling 
Pleurothallis leucantha Schltr., but dissimilar to it in the cor¬ 
date base of the labellum. Habitally very distinct from P. 
leucantha in having elliptical leaves. 
Costa Rica, La Estrella, C. H. Lankester & Alfredo 
Sancho 394, January 9, 1923. Sepals hyaline, greenish. 
Petals delicate purple. Borders of labellum purplish. 
(Type in Herb. Ames No. 23159.) 
Lepanthes cascajalensis Ames sp. nov. Radices 
fibratae, elongatae. Caules secundarii caespitosi, vaginis 
glabris vestiti, monophylli. Vaginae arete amplectentes, 
ostio dilatatae, ovatae, acuminatae, marginatae. Folium 
elliptico-lanceolatum, valde acuminatum, in sicco pur- 
pureo-tinctum, coriaceum, apice tridentatum. Pedunculus 
cum racemo folio brevior. Flores succedanei. Sepala 
lateralia usque ad medium cohaerentia, ovata, acuminata, 
acuta, extus carinata, binervia, glabra. Sepalum dorsale 
ovatum, acuminatum, acutum, trinervium. Petala trans¬ 
verse sublanceolata, utrinque obtusa, post columnam at- 
tingentia, partibus anterioribus labellum aequantibus, tri- 
nervia. Labellum parvulum, bipartitum; lobis lateralibus 
anguste oblongo-ellipticis, obtusis, carnosis; lobo medio 
subobsoleto, glanduloso. Columna Integra vel obscure lobata. 
Roots fibrous, spreading, slender. Secondary stems 
6-12 cm. long, concealed by ten to eleven glabrous sheaths, 
monophyllous. Sheaths closely appressed, dilated at the 
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