142 IOWA ACADEMY OP SCIENCES. ] 



We have followed Saccardo (SyJloge Fungorum) in the i 



arrangement of orders, genera and species, and in most cases i 

 have used the synonomy given by him. 



USTILAGINEAE. j 



i 



Ustilago hypodytes (Schlecth.) Fr. ■ 



Very abundant. On Stipa spartea. ; 



U. tritici (Pers.) Jensen. i 



Not uncommon and was frequent in 18S4 on Trilicum vul- 

 gare. 



U. liordei (Pers.) Kellerman and Swingle. - 



Common on Hordeum vulgare. j 



U. niida (Jensen) Kellerman and Swi23gle. | 



Scarce on Hordeum vulgare. 

 U. avenae (Pers.) Jensen. 



Not uncommon on Avena saliva. ' 



U. segetum (Bull) Dittm. \ 



Common on Arrhenatherum avenaceum. 1 



U. neglecta Niessl. € 



Abundant on Setaria glauca. 



U. Bahenhorst iana Kuhn. ! 



On Panicum sanguinale abundant. I 

 U. maydis (D. C.) Corda. 



Abundant on Zea mays. 



U. jmstulata Tracy & Earle. j 



Locally abundant in one place, first time observed on j 



Panicum proliferum. ! 



Tilletia-striceformis (Westend.) Magnus. | 



Not abundant on Phleum pratense. 



T. foetens (B. & C.) Trelease. - ■* 



Not observed in 1895. i 



SchizoneUa melanogramma (D. C.) Schroet. j 



Abundant in May, Moingona. I 

 Sorospormm syntherismce (Schw.) Farlow. 



Abundant on Panicum capiilare. - 



Urocystis Agropyri (Preuss) Schroet. 1 



Abundant in June and early July on Elymus Canadensis. j 



UREEINE.^. 



Uromyces Polygoni (Pers.) Fuckel. j 



Abundant August and September on Polygonum aviculare | 

 and P. erectum. 



