62 ECOLOGICAL RELATIONS OF THE FLORA. 



1900. Physiographic Ecology of Northern Michigan. Science, 12: 



708. 



1901. Plant Societies of Chicago and Vicinity, Bui. Geog. Soc. 



Chicago, 2. Bot. Gaz., 31:73-108; 145-182; figs. 1-35. 

 Daniels, F. P. 



1904. a. Flora of the Vicinity of Manistee, Michigan. 



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 Mich. Acad. Sci., 4: 125-159. 

 Davis, C. A. 



1898. Contribution to Knowledge of Flora of Tuscola County, Mich- 

 igan. Bot. Gaz., 25:453-458. 

 1900. See Lane, A. C. 

 Dodge, C. K. 



1897. Flora of St. Clair County, Michigan, and Western Part of Lamb- 

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 Soc, 230-314. 

 Engler, A. 



1902. Die Pflanzengeographische Gliederung Nordamerikas. 



Notizbl. Konigl. Bot. Gart. u. Mus., Appendix IX. 

 Ganong, W. F. 



1897. Raised Peat Bogs in Province bi New Brunswick. Trans. 

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 Gunnar Andersson. 



1896. Die Geschichte des Vegetations Schweden. Bot. Jahrb. 

 [Engler], 22:433-450. 

 Harshberger, J. W. 



1904. Phytogeographic Sketch of Extreme Southeastern Pennsyl- 

 vania. Bui. Tor. Bot., 31:125-159. 

 Hill, E. J. 



1896. Sand Dunes of Northern Indiana and Their Flora. Garden 



and Forest, 91-353, Sept. 

 1900. Flora of White Lake Region, Michigan. Bot. Gaz., 29: 419-436. 

 Jennings. O. E. 



1908. An Ecological Classification of the Vegetation of Cedar Point. 



Ohio Nat.. 8:291-340. figs. 1-22. 



1909. Botanical Survey of Presque Isle, Erie County, Pennsylvania. 



Ann. Carnegie Mus., 5:289-421. pi. 22-51. 

 Kedzie, R. C. 



1888. Jack Pine Plains. Mich. Agr. Sta., Bui. 37. 



1893. Michigan Soils. Mich. Agri. Sta., Bull. 99. 

 King, F. H. 



1900. The Soil. 



