THE SECRET OF FLOWERS 



the floral mechanisms of many plant species, with lists of 

 their insect visitors. It will give some idea of the immense 

 amount of labor involved in its preparation to state that 



Fig. 2. Hermann Mueller 



5,231 visits to flowers by 843 different kinds of anthophilous, 

 or flower-visiting, insects are recorded. 



Mueller had never forgotten his earlier delightful journeys 

 among the Alps nor its rich and brilliantly colored flora. For 

 six summers he continued with great diligence to investigate 

 its flowers, and the result was his second great work, entitled 



15 



