BUTTERFLY BOTANY TEACHERS 83 



Idle, indeed ! Observe the insect carefully, my poet ! 

 Does my butterfly alight and linger on yonder leaf of 

 carrot for honey? And now on the parsley leaf, and 

 here again on the celery. For honey? Are there any 

 flowers for it to " kiss " on yonder feathery leaf of fen- 

 nel or caraway? And now it floats off across the field, 

 joined by two or three more like itself. Let us fol- 

 low their pounds, and carefully note the plants that 

 they visit, excluding those visits in which the honeyed 

 flowers are so evidently the sole attraction. Here is 

 the list which you may count upon in advance, and 

 upon each plant the eggs are laid that hatch into 



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