346 GEOLOGY OF OHIO. 



AECIDIUM COMPOSITARUM. 



On several hosts (Composite, Eupatorium, Helianthus, etc.) ; over the whole 

 state. 



Aecidium dicentr^ Trel. 



on Dicentra eucullaria, Franklin Co., W. A. Kellerman. 



Aecidium eph,obii DC. 



Cincinnati, Thos. G. Lea (Cat.) 



Aecidium erigeronatum Schw. 



On Erigeron annuus, Fairfield Co., Freda Detmers; on E. bellidifolius, Fairfield 

 Co., Moses Craig. 



Aecidium euphorbias Gmel, 

 On Euphorbia, Central Ohio. 



Aecidium geranii DC. 



On Geranium maculatutn, Franklin Co., Freda Detmers, W. A. Kellerman. 



Aecidium grossui,arl£ Schnm. 

 On Ribes ; over the whole state. 



Aecidium houstoniatum Schw. 



On Houstonia cserulea, Sugar Grove, Fairfield Co., Moses Craig. 



Aecidium hydnoideum B. & C. 



On Dirca palustris, Sugar Grove, Fairfie:d Co., Moses Craig. 



Aecidium impatientis Schw. 

 On Impatiens ; Central Ohio. 



Aecidium nap^^ Arth. and Holw. 



On Napsea dioica, Sugar Grove, Fairfield Co., Moses Craig. 



Aecidium nes-E-E Gerard. 



On Nessea verticillatus, Licking Reservoir, W. C. Werner, Aug. D. Selby. 



Aecidium Oenothera Pk. 



On Oenthera biennis ; Central Ohio. 



Aecidium punctatum Pers. 



On Hepatica acutiloba, Columbus, Moses Craig, H. A Surface. 



Aecidium ranuncuu Schw. 



On ranunculus abortivus; common in Central Ohio and doubtless over the 

 whole state. 



Aecidium samboci Schw. 



On Sambucus canadensis, Central Ohio, W. A. Kellerman ; no specimens seen 

 from other parts of the ptate. 



