Fig \'il Rusts of grasses. 1, Puceinia phragmitis oq Phragmitea communis ; 2. P. anthoJMtithi Fckl. ; 

 3, P. eoronata oq Calamagrostl8;4, P. tricuspis; ■'>. P. coronata on oat leaf; 6, uredo spores of P.phlei- 

 pratensis on Phleum, Erickssoa aud Hennlng; 7, hiccinta graminis on oats; 8", P. arundinacea on 

 Phragmites commxinis; ft, oa Spartina cynosuroides; 10 P, corojiata on Cinna arundinacea. (Pammel 

 and King.) 



