126 jouknAi, and PROCKKDINGS. 



Asprella Hystrix — Willd. 



EQUISETACEAE. 



Equisetum arvense — L. 



" pratense — Ehrh. 



" sylvaticum — L. 



" palustre — L. 



" limosum — I,. 



" hyemale — L. 



" variegatum — Schleicher. 



" scirpoides — Michx. 



FILICES. 



Polypodium vtilgare — L. 

 Adiantum pedatum — L. 

 Pteris aquilina — L. 

 ■ Pellaea graciHs — Hook. 



" atropurpurea — Link. 

 Woodwardia Virginica — Smith. 

 Asplenium Trichomanes — L. 



" thelypteroides — Michx. 



" Fihx foemina — Bernh. 



Camptosorus rhizophyllus — Link. 

 Phegopteris hexagonoptera — Fee. 



" Dryopteris — Fee. 



Aspidium Thelypteris — Swartz. 

 " Noveboracense — Swartz. 

 " spinulosum — Swartz. 

 " " " var. intermedium — 



D. C Eaton. 



" " " " dilatatum— Hook 



(Logie). 



" Boottii — Tuckerm. 



" cristatum — Swartz. 

 " " " var. Clintonianum 



• . " Goldianum — Hook. 



" marginale - Swartz, 



" acrostichoides — Swartz. 

 Cystopteris bulbifera — Bernh. 

 " fras;iHs — Bernh. 



