ORCHIDACE^ 



Plate 56: Eria halconensis 

 Plant, natural size, drawn from a co-type 

 {Merrill, no. 5510). 1, flower; 2, petal; 3, label- 

 lum; 4, upper sepal. All parts drawn, enlarged, 

 with the aid of the camera lucida. 



[87 ] 



