76 





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 ... -*y* 



Plate 29.— Classification: system Lacustrine, SUBSYSTEM Littoral, class Emergent Wetland, SUBCLASS Nonpersistent, water 

 regime Semipermanently Flooded, water chemistry Fresh-Circumneutral, soil Mineral. The dominant plant is bayonet 

 rush IJuncus militaris). The subordinate species are common threesquare {Scirpus americanus) and pickerelweed [Pontederia 

 cordata). The photo shows a gravel beach on the landward edge of the wetland. (Washington County, Rhode Island; July 

 1977) 



