248 GEOLOGY OF OHIO. 



7. ADIANTUM L. Maidenhair. 



Adiantum pedatum L. 



Throughout the whole state. 



8. PTERIS L. Brake or Bracken. 



Pteris aouiijna L. Common Brake. 

 From Lake Erie to the Ohio River. 



9. PELLJ3A Link. Ceiff Brake. 



PEEE^Ea atropurpurea (L.) Link. Cliff Brake. 



" Put-iu-Bay Island" Lake Erie, H. C. Beardslee (Cat); Springfield, Miss H. J. 

 Biddlecoine ; Franklin Co., Aug. D. Selby; Adams Co., W. A. Kellerman. 



10. WOODWARDIA J. E. Smith. Chain-fern. 



Woodwardia areoeaTa ( L.) Moore. ( W. angtistifolia Smith). 

 Northern and Eastern Ohic, J. S. Newberry (Cat.) 



Woodwardia virginica ( L.) J. E. Smith. 



" Munson Pond " (Geauga Co.) H. C. Beardslee ( Cat.); Portage Co., E. Claasseu 



11. ASPLENIUM L. Speeenwort. 



Aspeenium acrostichoides Sw. {A. thelypteroides Mx.) 

 Over the whole state. 



Aspeenium angustifolium Mx. 

 Throughout the whole state. 



Aspeenium filix-foemina ( L.) Bernh. 

 Common throughout the state. 



Aspeenium montanum Willd. 



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

 (Cat.); Cuyahoga Falls ( Summit Co.) Wm. Krebs; Clifton (Greene Co.) Mrs. 

 E. J. Spence; along the Mahoning River, E. W. Vickers. 



ASPLENIUM pinnatifidum ( Muhl.) Nutt. 



Licking Co., H. L. Jones (Cat); Lawrence Co., \V. C. Werner ; Elyria, Dr. Kellogg 

 (J. S. Newberry Cat.); Sugar Grove, Fairfield Co., E. V. Wilcox, S. Renshaw; 

 Hocking Co., W. A. Kellerman. 



Aspeenium platyneurox (L.) Oakes. {A. ebeneum Ait.) 

 Appareuth' over the whole state. 



Aspeenium ruta-muraria L. 



" Central Ohio," W. S. Sullivant (Cat); Miami Valley A. P. Morgan (Flora.) 



Aspeenium trichomanes L. 

 Widelv distributed. 



