both cases, but the Peruvian collection has the mid-lobe 
of the lip oblong-ovate and only 3 mm. long, while that 
of the Bolivian type is lanceolate and 4 mm. long. 
Prru: Cuzco, Prov. of Paucartambo, between Mistiana and Keros, 
at 700 meters altitude, terrestrial in dense shady forest, 1.20 meters 
tall, July 27, 1948, C. Vargas 7381. 
Stelis Endresii Reichenbach filius in Gard. Chron. 
(1870) 1373. 
Stes Huebneri Schlechter in Beih. Bot. Centralbl. 
42, Abt. 2 (1925) 88. 
A study of the description of the Brazilian Stelis Hueb- 
neri and especially of several Peruvian collections shows 
that this concept is synonymous with the widely distrib- 
uted Middle American S. Hndresiu which extends from 
Mexico through Costa Rica to Panama and Venezuela. 
Peru: Hudnuco, six km. south of Tingo Maria, at 738 meters alti- 
tude, along road, on tree trunk in moist forested valley, flowers pale 
green with purplish base, December 2, 1945, R. J. Seibert 2257.— 
Loreto, Upper Marafion River, at mouth of the Santiago, at 160 
meters altitude, epiphyte in rain-forest, September 19, 1924, G. Tess- 
mann 4087; Above Pongo de Manseriche, on right bank of Rio Santi- 
ago, at 200 meters altitude, on horizontal limb of tall tree, flowers 
pale green, December 6, 1931, Y. Mexia 6232; Vicinity of Iquitos, 
at 100 meters altitude, epiphyte in dense forest, flowers mignonette 
and brownish, January-February 1937, G. Klug 10069. 
Stelis eublepharis Reichb.f. var. glabriflora C. 
Schweinfurth var. nov. 
Planta herbae typicae similis sed floribus supra densis 
glabris differt. 
Plant small, with an ascending rhizome (not evident 
in the type). Secondary stems concealed by 3-4 tubular 
imbricating sheaths, about 5 cm. or less tall. Leaf soli- 
tary, long-petioled, up to 5.9 em. long; lamina oblong- 
elliptic or elliptic-oblanceolate, acute or subacute, grad- 
ually cuneate below, up to 4.5 cm. long and 1 cm. wide. 
[3 ] 
