Explanation of Plate V. 



53^. PUCCINIA SEYMOURIANA Arth. 



On Spartina cynosuroides (L. ) Willd., from Wisconsin. 

 Five teleutospores. 



543. PUCCINIA FRAXINATA {Lk.) Arth. 



On Fraxinus lanceolata Borck., from Kansas. 

 Five secidiospores. 



54*5. PUCCINIA FRAXINATA {Lk.) Arth. 



On Fraxinus lanceolata Borck., from Iowa. 

 Four secidiospores. 



54c. Pqccinia fraxtnata {Lk.) Arth. 



On Fraxinus lanceolata Borck., from Vermont. 

 Five secidiospores. 



54^. PUCCINIA FRAXINATA {Lk.) Arth. 



On Fraxinus pennsylvanica Marsh., from Nebraska. 

 Four secidiospores, 



54£. PUCCINIA FRAXINATA {Lk.) Arth. 



On Fraxinus pennsylvanica Marsh., from Vermont. 

 Five secidiospores. 



54/. PUCCINIA FRAXINATA {Lk.) Arth. 



On Spartina cynosuroides (L,. ) Willd., from Vermont. 

 Seven uredospores. 



