"Blossom Hosts j/ui Insect Guests 



pclkn JMacK 



Fig. 



opening of the flower would seem to imply a bee, 

 particularly a bumblebee. If we insert the point 

 of a lead-pencil into this opening, thus imitating 

 the entrance of a bee, its bevelled surface comes 

 in contact with the viscid disks by the rupture 

 of a veil of membrane, which has hitherto pro- 

 tected them. The disks adhere to the pencil, and 

 are withdrawn upon it (Fig. 3). At first in upright 

 position, as at A, they soon assume a forward 



