THE FOREST ORGANISM. 



217 



Fig. 61. Mixed Hardwoods on Lower Levels. Spruce and Balsam Dominate 



on Higher Elevations. Mt. Mclntyre, Adirondack Mountains, New York. 



U. S. Forest Service. 



Fig. 62 



Scrub Growth on Mountain Top. Mt. Webster, 

 New Hampshire. U. S. Forest Serzice. 



