PLATE XXXVI. 



Ftas. 



1,2. Gypripedium Pitcherianum (Lady's Slipper). Fig. 1. 

 — Flower with two labella {lb). Fig. 2. — Posterior 

 view of labella showing incomplete bipartition of 

 original single organ. (Gr. S. Saunders.) p. 66. 



