ORCHIDACE^ 



Plate 54: Erythrodes MerriUii 

 Plant, natural size. 1, petals; 2, basal portion 

 of the labellum showing the didymous tip of 

 the spur; 3, apical portion of the labellum, 

 showing the tips of the lamellae ; 4, lateral se- 

 pal ; 5, column. All parts drawn, enlarged, from 

 a co-type with the aid of the camera lucida. 



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