PLATE 20 



A. Liparis Loeselii Rich. 



1. Plant from Villeneuve, Switzerland, June ist, 191 3. 



2. Same locality, June 9th, 1925. 



3. 4. Slightly enlarged flowers of latter, side and front views. 



B. Corallorhiza innata R. Br. Solalex, Switzerland, July 15th, 1912. 



5 . Ovary and flower (enlarged). 



6. Flower from Les Diablerets, Switzerland (stiU more enlarged). 



