EXPLANATION OF THE ILLUSTRATION 
STELIS PLANIPETALA Ames. Plant drawn natural size 
from a dried specimen of the type. 1, a flower much 
enlarged showing the glandular sepals, petals, la- 
bellum. 2, petals, labellum and column much en- 
larged. 3, a petal much enlarged. 4, a labellum 
much enlarged showing the transverse callus. 5, 
labellum, as seen when depressed from its normal 
position, the petals shown in relation to the col- 
umn (anther removed). The circular areas repre- 
sent the receptive stigmas. Figures 1—5 drawn from 
specimens preserved in alcohol. 
Drawn April 1938 by BLancur Ames 
[14 ] 
