BOTANY. 345 



101. PHRAGMIDIUM Link. 



Phragmidium potentill^E Pers. 



On Potentilla canadensis, in Central and Southern Ohio and doubtless over the 

 whole state. 



Phragmidium subcorticium Schrank. ( Ph. mucronatum Cooke ; Coleosporium 

 miniatum (Pers.) Fckl.) 



On Rose leaves and stems ; common. 



102. COLEOSPORIUM Lev. 



Coleosporium senecionts (Pers.) Fr. (Peridermium pini Wallr.; Aecidium 

 pirn Pers.) 



On Pinus rigidus ; Central and Southern Ohio. 



Coleosporium solidaginis Thuem. 

 On Solidago ; common 



Coleosporium sonchi Pers. (Uredo sonchi-arvensis (Pers.) Lev. ; C. composita- 

 rum Lev.) 

 On Helianthus and Aster ; common 



Coleosporium vernonlE B. & C 

 On Vernonia ; common. 



103. RAVENELIA Berk. 



Ravenelia glanduliformis B. & C. 



On Tephrosia virginica, Fairfield Co., W. A. Kellerman. 



104. AECIDIUM Pers. Yellow Cluster-Cups. 



Aecidium act^^ ( Opiz.) Wallr. 



On Actaeaalba, Fairfield Co., Moses Craig. 



Aecidium asterum Schw. (Ae. solidaginis Schw.) 



On Aster and Solidago in Central Ohio, and doubtless over the whole state. 



Aecidium cimicifugatum Schw. 



On Cimicifuga racemosa in Central Ohio, and doubtless wherever the host 



occurs. 



Aecidium clayToniatum Schw. 



On Clavtonia virginica, Columbus, W. A. Kellerman. 



