The analytical figures of the plate will help the student 
to understand the complicated structure of such plants. 
Fig. 1. is a view of the column and lower part of the lip 
seen in profile; fig. 2. is the same part seen in front; a. a. 
are the lateral stigmatic lobes; 5. b. the glands of the pollen- 
masses; c. the middle lobe of the rostellum ; d. d. the base 
of the lip. 
