Explanation of Plate II. 



49a. Pcccinia dochmia Berk. & Curt. 



On Muhlenbergia ciliata Trin., from Mexico. 

 One uredospore and six teleutospores. 



496. Puccixia dochmia Berk. & Curt. 



On Perieilema crinitum Presl., from Mexico. 

 Two uredospores and four teleutospores. 



50a. Puccixia muhlesbergi.5 Arth. c2f Holw. 



On Muhlenbergia diffusa Willd., from Indiana. 

 Four uredospores and one teleutospore. 



50^. Puccixia muhlenbergia Arth. & Holw. 



On Muhlenbergia mexicana (L. ) Trin., from Iowa. 

 Five uredospores and seven teleutospores. 



50£. PUCCIXIA MUHLENBERGUE Arth. & Holw . 



On Muhlenbergia mexicana (L.) Trin., from Kansas. 



Three uredospores and six teleutospores, one drawn as if opaque. 





