ORCHIDACEiE 



material, the discrepancies noted are mechanical rather than 



botanical and should not be taken as seriously affecting the 



situation. (Plate 109.) 



Mexico, State of San Luis Potosi, Tamasopo Canon, C. G. Pringle 3557^ 

 August 5, 1890; Pringle 3787^ July IT, 1891, from the same locality is also 

 referred to the species. 



[42] 



