vate, exceeding the lip; abruptly decurved near the base, 
2 mm. long. Column short, sessile. Capsule ellipsoidal, 
about 4 mm. long and 2 mm. in diameter. — 
This species is most closely allied to C. Brenesiw Schltr. 
and C.longicalcaratum A.& S. It differs from C. Brenesi 
in the longer leaves, more slender rachis, longer spur and 
simple (not 8-lobed) lip. It differs from C./ongicalcaratum 
in the longer leaves, shorter spur and simple (not 3-lobed) 
lip. 
Mexico: Chiapas, system of Volcano Tacana, Pacific slopes, virgin 
forest near *‘La Gloria,’’ about 25 km. north of Tapachula, on trees, 
long. about 92° 15/, lat. about 15° 4/, alt. about 1200 m., Jan. 29, 
1935, O. Nagel 4426 (Herb. Ames). 
GuaTEMALA: San Marcos, epiphyte on tree trunk, leaves fleshy 
coriaceous, grass-green above, sulcate-nerved along the midrib, paler 
grass-green beneath, above Finca El Porvenir, Cerro de Mono, south- 
facing slopes of Volcan Tajumulco, alt. 1400-1700 m., March 9, 1940, 
J. A, Steyermark 37376 (Tyre in Herb. Field Mus. No. 1041877). 
We are grateful to Mr. Charles Schweinfurth for his 
cooperation and assistance in the preparation of this 
paper. 
[90 ] 
