314 



General Botany 



U . S. Forest Service 



Fig. 193. Peat bog in northern Minnesota, with mature tamarack {Larix laricina) and 

 black spruce {Picea mariana). In the foreground are alder {Alniis), sedges (Carex), and 

 bulrushes {Scirpus). Throughout the northern evergreen forest region, thousands of 

 square miles are covered by such bogs. 



i 



