Vargasiella C. Schweinfurth gen. nov. 
Divisio: Acrotonae. Tribus: Kerosphaereae. Series: 
Acranthae. Flores mediocres. Perianthii partes liberae, 
patentes, subcarnosae. Sepala ovato-oblonga (raro ob- 
longa). Petala ovato-elliptica, paulo breviora. Labellum 
simplex, arcuato-recurvum, columnae pedi afiixum, mar- 
ginibus anterioribus valde undulatis. Columna brevis, 
crassa, quam segmenta cetera duplo brevior, in pedem 
brevem extensa. Anthera parva, incumbens, galeata. 
Pollinia quattuor, cereacea, parva, per paria inaequalia, 
valde complanato-subglobosa. 
Herba epiphytica vel terrestris. Caulis elongatus, basi 
decumbens et rhizomatosus radices breves sparsas tomen- 
tosas infra producens, cum ramis unicis vel perpaucis 
strictis, supra plurifoliatus. Folia plusminusve elliptica, 
convoluta, vaginis articulata. Inflorescentia unica, e folil 
superioris axilla exoriens, laxe pluriflora, folia valde 
superans. 
Vargasiella peruviana C. Schweinfurth sp. nov. 
Herba gracilis, mediocris. Caulis vaginis tubulatis 
evanidis omnino tectus, supra foliis pluribus ornatus. 
Folia disticha, elliptica vel oblongo-elliptica vel elliptico- 
lanceolata, articulata. Inflorescentia subterminalis, laxe 
racemosa. Sepalum dorsale ovato-oblongum, complicato- 
acutum vel mucronatum, concavum. Sepala lateralia 
similia, acuta, conspicue mucronata, cymbiformia, dorso 
carinata, quam sepalum dorsale paulo majora. Petala 
elliptico-ovata, acuta. Labellum simplex, in positu natu- 
rali arcuato-recurvum et columnae parallelum, expansum 
ovato-oblongum, basi cordatum, apice rotundato abrupte 
acutum. Columna brevis, crassa. 
Plant slender, terrestrial or epiphytic. Stem elongate, 
many-jointed, decumbent and rhizomatose below, with 
one or few strict branches near the middle, entirely con- 
[ 150 | 
