250 GEOLOGY OF OHIO. 



Dryopteris spinulosa intermedia (Muhl.) Underw. (Aspidium spinulosum 

 inter-medium D. C. Eaton.) 



Sandusky, E. L. Mosely; Lorain Co., A. A. Wright (Cat); Fairfield Co., E. V. 

 Wilcox, S. Renshaw ; Franklin Co., Aug. D. Selby ; Painesville, H. C. Beards- 

 lee (Cat.), Win. C. Werner; Ashtabula Co., Sara F. Goodrich. 



Dryopteris thelypTERIs (L.) Gray. [Aspidium thelypteris Swartz) 

 Widely distributed. 



15. CYSTOPTERIS Bernhardi. Bladder Fern. 



Cystopteris bulbifera (I,.) Beriih. 

 Throughout the state. 



Cystopteris fragilis (L.) Bernh. 

 Widely distributed. 



16. ONOCLEA L. 



OnoclEa sensibilis L. 

 Widely distributed. 



ONOCLEA KtruTHIOPTERIS (L.) Hoffmann. 



Lorain Co., A. A. Wright (Cat); Painesville, H. C. Beardslee (Cat); Wm. C. 

 Werner. 



17. WOODSIA R. Brown. 



Woodsia glabella R. Brown. 



Elyria, Lorain Co., Dr. Kellogg (J. S. Newberry Cat.) 



Woodsia ilvensis R. Brown. 



Licking Co., H. L. Jones ( Cat.) 



Woodsia obtusa (Spreng.) Torr. 



Springfield, Miss H. J. Biddlecome ; Licking Co., H. L. Jones (Cat); Fairfield 

 Co., A. D. Selby. Painesville, H. C. Beardslee (Cat.) ; Franklin Co., Lawrence 

 Co., Wm. C. Werner. 



19. LYGODITJM Swartz. Climbing Fern. 



Lygodium palmaTum (Bernh.) Swartz. 



" Southhern and Eastern Ohio," J. S. Newberry (Cat.) 



20. OSMUNDA L. Flowering Fern. 



Osmunda cinnamomea L Cinnamon Fern. 

 Occurring over the state. 



Osmunda claytoniana L. 

 Widely distributed. 



Osmunda regalis L. 

 Not uncommon. 



