lanceolate petals and in the absence of crisped wings on 
the ovary. 
A Bolivian specimen collected by Miguel Bang, in 
the Columbia University Herbarium, and identified as 
Habenaria hexaptera, appears to represent this species. 
Habenaria ligulata was described from a single dried 
specimen in which the leaf-blades are rather imperfect. 
Ayacucuo: Cearrapa, between Huanta and Rio Apurimac, at 1500 
meters altitude, terrestrial, on open hillside, perianth green, May 5-6, 
1929, E. P. Killip & A.C.Smith 22341. (Type in Herb. Ames No, 42082). 
Habenaria parvicalcarata C. Schweinfurth sp. nov. 
Herba terrestris, mediocris. Caulis omnino foliosus. 
Folia elliptico-lanceolata, vel ovato-lanceolata, basi im- 
bricantia, acuminata. Racemus pauciflorus, bracteis mag- 
nis foliaceis. Sepalum dorsale ovatum, cucullatum, valde 
mucronatum, Sepala lateralia lanceolata, obliqua, con- 
cava, valde mucronata. Petala bipartita; lobus posterior 
faleatus, lanceolato-linearis; lobus anterior angustior, 
longior, antice valde incurvatus. Labellum tripartitum, 
lobis parallelis perangustis; lobo intermedio latiore et 
paulo breviore. Calear minimum. 
Plant terrestrial, about 25 em. high, with a central 
tuberous swelling terminating the base of the stem. Roots 
fibrous. Stem leafy, concealed at base by several tubular 
imbricating sheaths which soon produce blades. Leaves 
strict or slightly spreading, lanceolate-elliptic to ovate- 
lanceolate, sheathing by loose infundibuliform bases, 
acute or acuminate, membranaceous, free portion of the 
largest blade nearly 7 cm. long and 2.5 cm. wide, the 
upper blades gradually much smaller. Inflorescence about 
7 cm. long, few- (about 9-) flowered, rather dense. Floral 
bracts relatively large, foliaceous, lanceolate to ovate- 
lanceolate, acuminate, the largest (basal) one 2.3 cm. 
long. Perianth green. Sepals obtuse with a prominent 
conical dorsal mucro. Dorsal sepal ovate, strongly cucul- 
[ 49 ] 
