ORCHIDACEiE 



Plate 51 : Eria graciliscapa 

 Plant, natural size, drawn from the co-type in 

 herb. Ames. 1, labellum; 2, petal; 3, upper 

 sepal; 4, lateral sepal, the margin rolled in. All 

 the parts, much enlarged, drawn with the aid of 

 the camera lucida. 



89 ] 



