PuateE I 
SPIRANTHES | 
callifera C. Schweinf. 
SPIRANTHES CALLIFERA C. Schweinfurth. 1, plant (with stem broken to show the 
inflorescence), one half natural size. 2, flower from side, natural position, twice 
natural size. 3, flower from front, expanded, with lip removed and lateral sepals 
separated along their line of fusion, twice natural size. 4, lip, expanded, twice 
natural size. 5, dorsal sepal, expanded, twice natural size. 6, apical part of col- 
umn from side, about five times natural size. Drawn by Eimer W. Smitru 
