Explanation of Plate III. 



40a. Puccinia versicolor Diet. & Holw. 



On Andropogon melanocarpus Ell., from Mexico. 

 Two uredospores and four teleutospores. 

 406. Puccinia versicolor Diet. & Holw. 



On Andropogon melanocarpus Ell., from Mexico. 

 Three uredospores and four teleutospores. 

 40r. Puccinia versicolor Diet. & Holw. 



On Andropogon melanocarpus Ell., from Mexico. 



Six uredospores, one drawn as if opaque, and three teleuto- 

 spores. 

 40a". Puccinia versicolor Diet. & Holw. 



On Andropogon contortus L., from Mexico. 

 Two uredospores and three teleutospores. 

 41a. Puccinia cenchri Diet. & Holw. 



On Cenchrus multiflorus Presl., from Mexico. 

 Two uredospores and six teleutospores. 



