79 



& 



Reprinted from the Journal of Mycology, 13: 189-205, September, 1907. 



CULTURES OF UREDINEAE IN 1906. 1 



BY J. C. ARTHUR. 



The present article forms the seventh of a series of reports 2 

 by the author upon the culture of plant rusts, covering the years 

 from 1899 to the close of 1906. As in previous years the grass 

 and sedge rusts have constituted a large part of the list of species 

 under trial. This is partly due to the economic and scientific 

 interest connected with them, but even more, possibly, to the 

 greater ease with which wintered-over and viable spores may 

 be secured for cultural study. Among the species whose life- 



1 Read before the Botanical Society of America at the New York 

 meeting, December 31, 1906. 



2 See Bot. Gaz. <?o:268-276, 55:10-23; Jour. Myc. 5:51-56, io:8-21, 

 j/:50-67 and /*: 11-27. 



(180) ~ 



