orange-yellow, with a large central dark-purple spot, another on the under side corre- 

 spending with it, and with the same colour at the tip ; the margin is quite entire but 

 fringed or ciliated. Sj^ur short. Column short, but decurrent with the spur. Anther- 

 case oblong, hemispherical, downy. 



try 



Fig. 1. Column and antter : — magnified. 



