"Blossom Hosts and Insect Guests 



insect must alight ; by the narrowed entrance of the 

 throat of the flower in front of the nectary ; by a 

 fissure in the centre of the Hp, by which the tongue 

 is conducted, etc. 



In other species aUied to the above we find 

 adaptations to the thorax, the eyes, and the face of 

 the intended visitor ; and there is still another group 

 whose structure is distinctly adjusted to the tongues 

 of insects — adaptations not merely of position of 

 pollen masses, but even to the extent of a special 

 modification in the entrance to the flower and the 

 shape of the sticky gland, by which it may more 

 securely adhere to that sipping member. 



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