EXPLANATION OF ILLUSTRATION 
STELIS CRYSTALLINA Ames. Plant natural size. 1, 
flower enlarged about nine times. 2, labellum, 
petals and column much enlarged, anther removed 
to reveal the stigmatiferous lobes of the column 
separated by the triangular rostellum. 3, labellum, 
much enlarged, side-view. 4, petal, labellum and 
column showing anther in situ with the stigmati- 
ferous lobes extending on either side. 5, petal 
much enlarged. 6, a part of the raceme, slightly 
enlarged. 
Drawn with the aid of the camera lucida, the analy- 
tical details having been drawn from material preserved 
in alcohol, by Buancun Ames. 
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