46 University of Michigan 



PLATE III 



Fig. I. Dry hardwood on a ridge four miles southeast of Little 

 Girl's Point. Sugar maple, yellow birch, and linden are dominant. 

 Undergrowth low. August i6, 1920. 



I xOuL^ It — Fig. 2. Virgin white pine grove, Gogebic County. Trunks up to 

 four feet in diameter. Little undergrowth. August 17, 1920. 



