PLATE 56 



A. Ophrys arachnites L. Kent, June 17th, 1930. 



B. Ophrys apifera Huds. Sussex, June 23rd, 1930. 



C. Ophrys apifera x arachnites, x Ophrys Albertiana Camus. 



Kent, June 17th, 1930. 

 I, 2. Eucera tuberculata F., S (enlarged), bearing poUinia. 



