A Fcio 

 Native Orchids 



and Their 

 Insect Sponsors 



IN a previous article I discussed the general 

 subject of the fertilization of flowers, briefly 

 outlining the several historical and chronolog- 

 ical steps which ultimately led to Darwin's tri- 

 umphant revelation of the divine plan of "cross- 

 fertilization " as the mystery which had so long 

 been hidden beneath the forms and faces of the 

 flowers. 



In the same paper I presented many illustra- 



