'Blossom Hosts and Insect Guests 



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Fig. 3. 



inclination, as shown at B. The nectary is about the 

 length of a bumblebee's tongue, and is, moreover, 

 so amply expanded at the throat below the stigma 

 as to comfortably admit its wedge-shaped head. 

 The three progressive diagrams (Fig. 4) indicate 

 the result in the event of such a visit. 



The pollen disks are here very close together, and 

 are protected within a membranous cup, in which 

 they sit as in a socket. As the insect inserts his 

 head at the opening (A), it is brought against this 



OVdry -^ 



pollen-pouch 

 or anther-cell 

 '// pollen mass 



