LITER A r U R E CITED 

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1895. Notes on the mouiul riora of Atchison County, Missouri. Mo. Bot. Gaiii. Ann. Rep. 

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Chamherlin, T. C. 



1S97. Supplementary hypothesis respecting the origin of the loess of the Mississippi Valley. 

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Costello, Uavid F. 



1931. Comparative study of river bluff succession on the Iowa and Nebraska sides of the 

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Deam, Charles C. 



19+0. Flora of Indiana. Oepartment of Conservation, Division of Forestry, Indianapolis, 

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Ellsworth, H. L. 



1837. Illinois in 1837. S. A. Mitchell, Philadelphia. 143 pp. 



Fvers, Robert A. 



1951. Four plants new to the Illinois flora. Rhoilora 53(6281:111-3. 



Fernald, Merritt Lyndon 



1950. Gray's Manual of Botany. Ed. 8. American Book Company, New York. 1,632 pp. 



Gates, Frank Caleb 



1912. The vegetation of the Beach area in northeastern Illinois and southeastern Wisconsin. 

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Gleason, Henry Allan 



1910. The vegetation of the inland sand deposits of Illinois. III. Lab. Nat. Hist. Bui. 

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1952. The new Britton and Brown illustrated flora of the northeastern United States and 

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Hanson, Herbert C. 



1922. Prairie inclusions in the deciduous forest climax. Am. Jour. Bot. 9(6) :330-7. 



Hitchcock, A. S. 



1950. Manual of the grasses of the United States. Ed. 2 (revised by Agnes Chase). U. S. 

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Hopkins, Harold H. 



1951. Ecologv of the native vegetation of the loess hills in central Nebraska. Ecol. Monog. 



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Hus, Henri 



1908. An ecological cross section of the Mississippi River in the region of St. Louis, Missouri. 

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Jones, George Neville 



1950. Flora of Illinois. Ed. 2. University of Notre Dame Press, Notre Dame, Indiana. 

 368 pp. 



Korstian. Clarence F., and Theodore S. Coile 



1938. Plant competition in forest stands. Duke Univ. Forestry Bui. 3. 125 pp. 



Leighton, Morris M., and H. B. Willman 



1950. Loess formations of the Mississippi Valley. Jour. Geol. 58(6) :599-623. 



Leonard, A. Byron 



1952. Illinoian and Wisconsinian molluscan faunas in Kansas. Kans. Univ. Paleontol. Con- 

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Leonard, A. Byron, and John C. Frye 



1954. Ecological conditions accompanying loess deposition in the Great Plains region of the 

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