How the Flowers H^oo the Insects 



pollen is usually deposited close .. 



to the head of the moth, this ^ ^ "| 



flower would receive no pollen ^ ' '^ ', 

 upon its stigma. This particular ^^ 

 blossom would thus be both bar- 

 ren and sterile. None of its 

 pollen would be carried to other 

 stigmas, nor would it set a seed '^^'^^"^ 

 to perpetuate by inherit- /^ 



ance its shorter nectary. 

 Again, let us sui)pose /^ 



s ,'7 



A— -^ 



t 



f ^fe^; . _ ^ the variation of an extra long nectary ; 

 and the writer recently saw a number 

 of these orchids with nectaries thirteen 

 inches in length. The moth comes, and 



