BOTANICAL MUSEUM LEAFLETS 
HARVARD UNIVERSITY 
CampripGr, Massacnuserrs, Ocroser 8, 1943 VoL. 11, No. 
ORCHIDACEAE PERUVIANAE V 
BY 
CHARLES SCHWEINFURTH 
THE FOLLOWING TREATISE, the fifth of the series de- 
scribing novelties in the orchid flora of Peru, discusses 
eighteen new species and six new varieties. 
Epidendrum aquaticoides C. Schweinfurth sp. nov. 
Herba epiphytica, robusta. Caulis crassus, vaginis tu- 
bulatis imbricantibus omnino celatus. Folia numerosa, 
disticha, ovato-lanceolata vel ovato-oblonga, subacuta et 
mucronata, basi amplectentia, suberecta. Inflorescentia 
terminalis, paniculata, arcuato-flexuosa, cum ramulis le- 
viter fractiflexis. Flores parvi, carnosi, aurantiaco-rubri. 
Sepalum dorsale elliptico-ovatum, subobtusum. Sepala 
lateralia late et oblique ovata, acuta. Petala linearia, ob- 
tusa, sepalo dorsali breviora. Labellum columnae valde 
adnatum; lamina concavo-conduplicata, simplex, perlate 
ovata, apice obtusa, basi profunde cordata; discus basi 
‘allis duobus parvis ornatus. Columna crassa, ad apicem 
dilatata, utrinque oblique auriculata. 
Plant epiphytic, robust, up to 60 em. or more high 
including the inflorescence. Stem stout, with two short 
ascending branches near the base, entirely concealed by 
tubular, striate, scabrous, imbricating sheaths which are 
leaf-bearing except at the base of the stem and branches. 
Leaves numerous, distichous, ovate-lanceolate or ovate- 
oblong, subacute and mucronate at the apex, clasping at 
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