174 GEOLOGY OF OHIO. 



Ranunculus RECURVatus Poir. Hooked Crowfoot. 

 Common over the whole state. 



Ranunculus repens L. 



Inttoduced from Europe, Paiuesville, W. C. Werner; Lorain Co., A. A. Wright 



( Cat.) 



Ranunculus reptans L. (J?- flamic/a replans^E. Meyer). Creeping Spearwort. 

 Cincinnati, Joseph Clark (H. C. Beardslee, Cat.) 



Ranunculus rhomboideus Goldie. 



Sandusky, Dr. Kellogg ( H. C. Beardslee C; t.) 



Ranunculus sceleratus L. Cursed Crowfoot. 

 Frequent in ditches. 



Ranunculus septentrionalis Poir. 

 Generally distributed over the state. 



Ranunculus trichophyllus Chaix. ( R. aquatilis trichophyllus Gray). 

 Throughout the whole state. 



398. CALTHA L. Marsh Marigold. 



Caltha palustris L. 

 Over the whole state. 



399. HYDRASTIS Ellis. 



Hydrastis canadensis L. 



Occurs over the whole state. 



400. COPTIS Salisb. 



COPTIS TRIFOLIA (L.) Salisb. 



Portage Co., W. Krebs ; Painesville, Wm. C. Werner; Lorain Co., A. A. Wright 

 (Cat.) 



401. ISOPYRUM L. 



Isopvrum biternaTum ( Raf.) Torr. & Gra}'. 



Frequent throughout the southern half of the state ; Lorain Co., A. A. Wright 



(Cat.) 



102. NIGELLAL. 



Xigella damascena L. Fennel-flower. 



Escaped ironi cultivation, Southern Ohio, J. S. Hine. 



403. AOUILEGIA Tourn. Columbine. 



