

PRICE, FIFTY CENTS. 



Vol. IV. Xo. 4. 



BULLETIN 



FROM THE 



LABORATORIES OF NATURAL HISTORY 



OF THE 



STATE UNIVERSITY OF IOWA. 



/. THE IOWA SEDGES R. I. Cratty. 



//. DESCRIPTIONS OF AMERICA X 



UREDIXE.-E, II, . . J. C. Arthur and E. W. D. Holway 



PUBLISHED 



BY AUTHORITY OF THE REGENTS. 



IOWA CITY, IOWA: 

 DECEMBER, 189S. 



