8-9 mm. long, 8-3.5 mm. broad, erect or spreading, lan- 
ceolate, acute, 5-nerved. Petals 7.5—9 mm. long and 3-4 
mm. broad, lanceolate, acute or obtuse, 5-nerved. Lip 
8-12 mm. long, 5-6.5 mm. broad, short-clawed; the 
claw geniculate and somewhat cochleate; the lamina ob- 
long to oval, with a subpeltate callus at the junction of 
the claw and the lamina; callus about 2.5-3 mm. long 
and 2—2.5 mm. broad. Column about 4 mm. long; col- 
umn-foot about 1.5 mm. long; pollinia six, four of equal 
size and two much reduced, ceraceous, the larger ones 
laterally compressed. 
Mexico: near Santa Barbara, southwest of Chilpancingo, State of 
Guerrero, longitude 99°50! west, latitude 17°19/ north, at about 1800 
meters altitude, November 15, 1932, Juan G. [onzdles] 1666; epiphyte 
on Trompillo, Cumbre, District of Temascaltepec, State of México, at 
2750 meters altitude, September 15, 1932, Hinton 1691 (Type in 
Herb. Ames No. 49613); on tree trunks, region of Temascaltepec, 
State of México, at 2800 meters altitude, September 15, 1932, Hinton 
1742; on trees, mountains near Taxco, State of Guerrero, longitude 
99°33! west, latitude 18°33’ north, at 1900 meters altitude, Septem- 
ber 1, 1937, Lira 6947; malpais on “‘siempre viva’’ trees, open places 
in oak-pine forest, Mt. ““Cerro Chico,’’ northwest of Urupan, State of 
Michoacan, flowers pale green with brown marks on the lip, Septem- 
ber 30, 1935, Nagel 2243; on trees in mixed forest, near “Los Fres- 
nos’? southwest of Guayameo, State of Guerrero, longitude 101°26/ 
west, latitude 18°11’ north, flowers pale green with brownish marks 
on the lip, at 2400 meters altitude, September 24, 1933, Nagel 3112; 
on trees in forest west of Taxco, State of Guerrero, longitude ca. 99° 
37’ west, latitude ca. 18°32’ north, at ca. 1900 meters altitude, July 
23, 19382, Nagel & Juan G. [onzdles|] 1074. 
Bletia ensifolia L. O. Williams sp. nov. 
Herbae terrestres, usque ad 7 dm. altae. Cormi ap- 
proximati, pyriformes. Folia ensiformia vel lineari-ensi- 
formia, acuta. Sepalum dorsale oblanceolatum vel ellip- 
ticum, acutum, plurinervium. Sepala lateralia lanceolata 
vel elliptico-lanceolata, acuta, plurinervia. Petala oblan- 
ceolata, obtusa, leviter obliqua, apice serrulata. Labellum 
obovato-orbiculare, trilobatum, nervis crassis vel mediis 
[ 245 ] 
