378 -MINNESOTA BOTANICAL STUDIES 



CITATION OF LITERATURE REFERRED TO IN 

 THIS REPORT 



Clements, F. E. IMant Succession. Carnegie Inst. Wash. Pub. 142. 



1916. 

 Cooper, W. S. 'Fhe Climax Forest of Isle Royale, Lake Superior, 



and Its Development. Bot. Gaz. 55 : 44. 1913. 

 Coulter, S. M. An Ecological Comparison of Some Typical Swamp 



Areas. Rep. Mo. Bot. Card. 15 : 39. 1904. 

 Cowles, H. C. The Physiographic Ecology of Chicago and Vicin- 

 ity : A Study of the Origin, Development and Classification of 



Plant Societies. Bot. Gaz. 31 : 7i. 1901. 

 Dachnowski, F. Peat Deposits of Ohio. Bui. Ohio Geol. Surv. 



1910. 

 Fink, B. Lichens of the Lake Superior Region. ]\Iinn. Bot. Studies 



2:215. 1899. 

 Howe, C. D. The Reforestation of Sand Plains in Vermont. Bot. 



Gaz. 49:126. 1910. 

 MacjMillan, C. On the Occurrence of Sphagnum Atolls in ]\Iinne- 



sota. Minn. Bot. Studies 1 : 2. 1894. 



Observations on the Distribution of Plants along Shores at Lake- 



of-the-Woods. Minn. Bot. Studies 1 : 948. 1897. 

 Transeau, E. N. On the Geographic Distribution and Ecological 



Relation of the Bog Plant Societies of North America. Bot. 



Gaz. 36:401. 1903. 

 Whitford, H. N. The Genetic Development of the Forests of 



Northern Michigan : A Study in Physiographic Ecology. Bot. 



Gaz. 31:289. 1901. 



