250 GEOLOGY OF OHIO. 



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

 intermedium 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.), Wm. C. Werner; Ashtabula Co., Sara F. Goodrich. 



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

 Widely distributed. 



15. CYSTOPTERIS Bernhardi. Bladder Fern. 



CYSTOPTERIS BULBIFERA (L.) Bernh. 

 Throughout the state. 



CYSTOPTERIS FRAGILIS (L.) Bernh. 

 Widely distributed. 



16. ONOCLEA L. 



Onoceea sensibilis E. 

 Widely distributed. 



Onoceea struthiopteris (L.) HofFmann. 



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

 • Werner. 



17. WOODSIA R. Brown. 



WOODSIA GEABEEEA R. Brown. 



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



WOODSIA IEVENSIS R. BrOWU. 



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. LYGODIUM Swartz. Climbing Fern. 



Lygodium paematum (Bernh.) Swartz. 



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



20. OSaIUXDA L. Flowering Fern. 



Osmlxda cinnamomea L Cinnamon Fern. 

 Occurring over the state. 



OSMUNDA CLAYTONIANA L. 



Widely distributed. 



OSMUNDA REGALIS L. 

 Not uncommon. 



