% 



still more contracted near the middle, whence 



pands 



the broad 



kidnej 



haped extremity, emarginate at the apex : the colour of the Avhole is pale purple with 



darker veins, and a yellow line on 



disk 



Column parallel with the lip, and 



as 



it 



applied to 



ohovate, dark-purple, expanding 



two 



wing-lil 



Anther-case sunk between two teeth or small lob 

 as in the genus. 



f the dinandn 



margins 



PoUe 



Fig. 1. ColiTmn. 2. Pollen-masses. 3. Lip: — all more or less magnijied 



