narrowly elliptical, obtuse or subacute, 3—5-nerved. Pet- 
als 5-6 mm. long, 2 mm. wide, broadly lanceolate, mi- 
nutely glandulose, obtuse, 3-nerved. Labellum fleshy, 
adnate below to the base of the column and emerging 
just above its base, 2 mm. long, about 3 mm. wide, 
conspicuously fleshy, three-lobed with the lateral lobes 
semi-orbicular, about 2.5 mm. long, about 1 mm. wide, 
minutely glandulose, obliquely erect and more or less 
appressed to the column; middle lobe 1 mm, long and 
about 1 mm. wide, quadrate, retuse, distinctly glandu- 
lose, purplish, 8-nerved with a bilobed or retuse callus 
at the base. Column about 3 mm. long, narrowed toward 
the middle, conspicuously dilated above, minutely gland- 
ulose; rostellum broadly triangular. Pollinia two, slend- 
erly pyriform. 
Costa Rica: Province of San José, in the vicinity of El General. 
Epiphyte on trees by a river at 830 meters altitude. Flowers yellow. 
January 1936. Alexander F. Skutch 23591. (Type in Herb. Ames No. 
43650). In the dried flowers examined the sepals and petals were 
yellow, the labellum purplish. 
[ 46 ] 
