Explanation of Plate VII. 



27a. Puccinia stipce Arth. — Four teleutospores and two uredospores. 



27b. " " " — Five teleutospores and two uredospores. 



27c. " " " — One teleutospore and five uredospores. 



28a. " substerilis Ell. & E v. — Four teleutospores, five uredospores 



with pedicels, and two uredospores 

 without pedicels. 



29«. " graminella (Speg.) D. & H. — Four teleutospores and five ure- 



dospores. 



