TROPICAL AMERICAN ORCHIDS 
Caulis crassus, vaginis foliorum distichis imbricantibus ob- 
tectus. Folia ligulata, conduplicata. Flores numerosi, in 
axillis foliorum fasciculati. Perianthium campanulatum. 
Sepala lateralia lanceolata, acuta. Sepalum dorsale ob- 
longo-lanceolatum. Petala obovato-oblonga. Labellum con- 
duplicatum, lobis rotundatis, lobo intermedia majore 
bilobato. Columna brevis, crassa. 
Plant stout, apparently with a creeping rhizome (broken 
off below). Roots glabrous, fibrous, stout. Pseudobulbs 
(only one in our specimen) ovoid, about 5.5 cm. long, deeply 
striate-rugose and shining when dry, mon aphyllous (the 
leaf missing), base sheathed with distichous leaf-bases. 
Stem stout, about 1 cm. in diameter, with a few ascending 
branches above, mostly concealed by the distichous imbri¬ 
cating leaf-bases. Leaves apparently numerous, ligulate, 
10-13.5 cm. or more long, 18-20 mm. wide above when ex¬ 
panded, strongly conduplicate in the dried specimen. 
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