FIELD BOOK OF PONDS AND STREAMS 



Occurrence. — In acid peat bogs, often in water-soaked 

 sphagnum. Like sundews, they are more truly bog plants 

 than aquatics. Bloom May-July. Locally common from 

 Labrador to Florida and west to the Rocky Mountains, 

 abundant near the coast. 



Animal associates. — Most associates of the pitcher-plant 

 are flying insects — small flies, moths, and beetles. Their 

 adventures in its leaves fend in fatalities except for a few that 

 have become adapted to dwell there. Among these is the 

 mosquito Mdes which even lays its eggs in the fatal water 

 and there the young ones hatch but and live unharmed until 

 they fly out as winged mosquitoes. 



Fig. 79. — Round-leaved sundew, Drosera rotundi- 

 folia. 



Sundews — Droseracece 



Round-leaved sundew, Drosera rotundifolia. — Sundew 

 leaves are clothed with long glandular hairs each holding a 

 droplet of a sparkling sticky fluid in which small insects be- 



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