EXPLANATION OF THE ILLUSTRATION 
Pirate TV. 1, DicHara ECHINOCARPA (Sw.) Lindl., 
lip, front view, five times natural size. 2, D.ecu1Nno- 
CARPA var. LoBATA Ames & Correll, lip, front view, 
five times natural size. 3, D. ecurnocarpa, section 
of stem showing leaves, natural size. 4, D.MuRICcATA 
(Sw. ) Lindl., section of stem showing leaves, natu- 
ral size. 
Drawn by G.W. Ditton 
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