anterior surface. Pollinia four, in pairs, separated from 
the strongly arcuate viscid disc by an elongated stipe. 
Cosra Rica: Vara Blanca de Sarapiqui, north slope of Central Cor- 
dillera. At 1500-1750 meters altitude. On branches of tree. Flowers 
yellowish veined with maroon. July to September, 1937. Alexander F. 
Skutch 3246 (Type in Herb, Ames No, 46702). 
[ 33 J 
