552 Stone: A new species of Puccinia 



The accompanying figures show the most prominent differences. 



Type specimens gathered by R. E, Stone, at Auburn, Ala- 

 bama, Sept. 17, 1908, on Rynchospora cornictilata (Lam.) A. Gray, 

 deposited in the herbarium of the University of Nebraska. 



acricultaral experiment station, 

 The University of Nebraska, 

 Lincoln, Nebraska. 



