Ubc IHmversiti? of Cbicago 



FOUNDED BY JOHN D. ROCKEFELLER 



FLORAL SUCCESSION IN THE PRAIRIE- 

 GRASS FORMATION OF SOUTH- 

 EASTERN SOUTH DAKOTA 



A DISSERTATION 



SUBMITTED TO THE FACULTY OF THE OGDEN GRADUATE SCHOOL OF 



SCIENCE IN CANDIDACY FOR THE DEGREE OF 



DOCTOR OF PHILOSOPHY 



(department of botany) 



BY 



LeROY HARRIS HARVEY 



Reprinted from 



Botanical Gazette, VoL XLVI, Nos. 2 and 4 



Chicago, 1908 



