PLATE L. 



Pigs. 



1. Cypripedium superbiens (Lady's Slipper). Adhesion 



of the two lateral petals to the posterior sepal, and 

 suppression of the labellum. (Gk S. Saunders and 

 W. C. Worsdell.) p. 234. 



2. C. barbatum (Lady's Slipper). Adhesion of the two 



anterior sepals (arising by division of the single 

 one) to the lateral petals. (G. S. Saunders and 

 W. C. Worsdell.) pp. 234 and 235. 



3. Cattleya Loddigesii (an Orchid). Dimerous flower; 



lateral petals absent ; two "lips" (labella) present. 

 (G. S. Saunders and W. C. Worsdell.) p. 246. 



