faleato-oblanceolata, obtusa, quinque- vel septemnervia. 
Labellum oblongo-obovatum, trilobatum, quinque- vel 
septemcallosum, columnae et columnae pedi adnatum ; 
lobi laterales parvi, obtusi; lobus medius plicatus, retu- 
sus. Columna arcuata, alata. 
Terrestrial herbs, up to 5 dm. tall. Corms subglobose 
or pyriform, 1-2 cm. long and about as thick or thicker. 
Leaves up to 50 cm. long, about 0.4—1 cm. broad, linear, 
acute, plicate (at least when dry). Inflorescence few- to 
several-flowered; bracts 2-8 mm. long, lanceolate, acu- 
minate, scarious. Dorsal sepal about 15 mm. long and 
3.5 mm. broad, oblanceolate, acute, 5- to 7-nerved. Lat- 
eral sepals about 14 mm. long and 4 mm. broad, falcate- 
oblanceolate or faleate-elliptic, acute 5- to 7-nerved, 
forming a short mentum at the base. Petals about 12 
mm. long and 4mm. broad, falcate-oblanceolate, obtuse, 
5- to 7-nerved. Lip about 13-14 mm. long and 8 mm. 
broad, oblong-obovate in outline, 8-lobed, with five to 
seven lamellate calli extending from about the middle 
toward the apex, adnate to the column and column-foot 
for about 3 mm. at the base; lateral lobes small, obtuse ; 
mid-lobe much plicated, retuse. Column erect, 10-12 
mm. long, arcuate, winged. 
Mexico: under oak shrubs, “‘Loma de Ocate,’” Mt. San Felipe, 
State of Oaxaca, at 1900 meters altitude, flowers white, November 
15, 1937, Conzatti & Nagel 7113 (Tyrr in Herb. Ames No. 57225). 
An unusual species with very narrow leaves and white 
flowers. 
Catasetum roseum (Lind/.) Reichenbach filius in 
Gard. Chron. (1872) 1008. 
Clowesia rosea Lindley in Bot. Reg. 29 (1848) t. 89 
and Misc. p. 25. 
This curious little Catasetum, which is allied to C 
Warczewitzu Lind]. & Paxt., has apparently never before 
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