The specific name is descriptive of the thickness of the 
stem, sepals and lip of this species. 
Puno: Prov. of Carabaya, “‘Ollachea a pte. Ackopampa,’’ at 3100 
meters altitude, on rocks or cliffs, December 31, 1947, C. Vargas 
6994 (Tver in Herb. Ames No. 64897). 
Epidendrum laceratum C. Schweinfurth sp. nov. 
Herba nana, epiphytica. Caules graciles, simplices vel 
basi paulo ramosi, vaginis tubulatis maxima pro parte 
foliiferis omnino celati. Folia laxe disticha, patentia vel 
adscendentia, linearia, apice rotundato apiculata, basi 
amplectentia. Inflorescentia plusminusve sessilis, umbel- 
liformis, pauciflora. Flores parvi, albi. Sepalum dorsale 
lineari-lanceolatum, abrupte acutum. Sepala lateralia 
oblique oblongo-lanceolata, apice complicata et mucron- 
ata. Petala elliptico-linearia, obtusa. Labellum columnae 
valde adnatum, in circuitu late ovatum cum partibus in- 
ferioribus utrinque conspicue lacerato-dentatis et tertia 
parte anteriore triangulari-ovata et obtusa. Columna 
brevis, recta, apice utrinque bidentata. 
Plant dwarf, epiphytic, about 4.5 cm. high. Roots 
fibrous, slender, glabrous, at the base and lower portion 
of the stems. Stems simple or somewhat branched near 
the base, slender, lightly flexuous, entirely concealed by 
loose tubular sheaths which are slightly dilated above 
and (except for the lowermost ones) are leaf-bearing. 
Leaves distichous, spreading or ascending, linear, rounded 
at the apex with a more or less distinct apicule, sessile 
and clasping at the base, up to 2.1 em. long and 2.5 mm. 
wide on the upper portion of the plant, often with revo- 
lute margins. Inflorescence sessile or subsessile, umbelli- 
form, erect, with about five or less congested flowers. 
Floral bracts linear-lanceolate, acute, exceeding half of 
the bialate pedicellate ovary. Flowers small, white. Dor- 
sal sepal linear-lanceolate, abruptly acute, about 5.5 mm. 
long and 1.2 mm. wide, 3-nerved. Lateral sepals ob- 
[143 ] 
