Explanation of Plate VIII. 



58a. PUCCINIA VEXANS Farl. 



On Atheropogon curtipendulus (Michx.) Fourn., from Indiana. 

 Four uredospores, one amphispore and one teleutospore. 



586. Puccinia vexavs Far!. 



On Atheropogon iurtipenduliis (Michx.) Fourn., from Nebraska. 

 Three amphispores and one teleutospore. 



58^. Puccinia vexans Farl. 



On Atheropogon curtipendulus ( Michx.) Fourn., from New Mexico. 

 One uredospore, four amphispores, one drawn as if opaque, and 

 two teleutospores. 



58^. Puccinia vexans Farl. 



On Atheropogon curtipendulus (Michx.) Fourn., from Indiana. 

 Two uredospores, one amphispore, and three teleutospores. 



58<?. Puccinia vexans Farl. 



On Atheropogon curtipendulus (Michx.) Fourn., from Iowa, 

 One uredospore and six teleutospores. 



