sepal conspicuously larger than that of the type, measur- 
ing 4.7 mm. long. 
Peru: Cuzco, Prov, of Paucartambo, S. Pedro to S. Isabel, at 1350 
meters altitude, on trunks of old trees, December 6, 1947, C. Vargas 
6785.—Huanuco, left bank of Rio Guallaza, above Cayumba, at 805 
meters altitude, in small colonies on forest tree-trunks, October 19, 
1936, Y. Mexia 8313a.—Loreto, Pumayacu, between Balsapuerto and 
Moyobamba, at 600-1200 meters altitude, epiphyte in forest, August— 
September 1933, G. Klug 0.18. 
Stelis santiagoensis Mansfeld in Notizbl. Bot. 
Gart. Berlin 10 (1928) 239. 
Several discrepancies from the description were noted 
from an examination of a photograph and a flower from 
the cotype in the Ames Herbarium. The leaf is some- 
what larger than specified—up to 18 cm. long and 1.9 
cm. wide, as compared with 9-12 em. long and 1.2-1.8 
cm. wide. The inflorescence appears to have a distinct 
and rather elongate peduncle below the raceme, instead 
of bearing flowers almost to the base. The dorsal sepal 
has a maximum length of 8 mm., rather than 2.1 mm. 
The lip is strictly simple, instead of shortly trilobulate, 
and is about 6 mm., instead of 8 mm., long. The num- 
ber of this cotype collection is 4086, rather than 4068. 
Stelis simacoensis Schlechter in Fedde Repert. 27 
(1929) 47. 
This concept was described from Bolivian material, 
but a Peruvian collection is now available. In these 
specimens the stems are 2-8 cm. long, rather than 3.5-5 
cm. long as cited. The lamina of the leaf, which is some- 
times oblong-elliptic rather than oblong-ligulate, has a 
maximum length of 8.4 em., instead of 6.5 cm., and the 
petiole reaches a length of 1.8 cm., rather than 1.3 ¢m. 
as stated. The callus of the lip appears to be near the 
apex, instead of nearly in the middle. 
ga 
