28 Tennessee Flora. 



WOODSIA R. Br. 



1. Woodsia Ilvenis R. Br. Knox County. A.Ruth. June, 

 July. 



2. W. obtusa (Sprang.) Torr. Very common. O. S. 

 July, August. 



DENNSTAEDTIA Bernh. 



Dennstaedtia punctilobula (Michx.) Mooire. Dicksonia. 

 punctilobula L'Her. Higher Cumberland and AUeghanies. 

 Piney Ealls. Mrs. Bennett. August. 



FILIX Adans. 



Filix bulbifera (L.) Underw. Cystopteris bulifera Bernh> 

 Shady cliffs around Nashville, Cumberland Mts. July. 



F. fragilis (L.) Underw. Cystopteris-fragilis Bernh. Moun- 

 tains and lowlands. O. S. May- July. 



POLYSTICHUM Roth. 



Polystichum acrostichoides (Michx.) Kuntze. Dryopteris- 

 acrostichoides Kimtze. Christmas fern. Very common, 

 O. S. June-August. 



DRYOPTERIS Adans. 



Dryopteris NovagbolJ^iftracensis A. Gray. Moist grounds ire 

 the oak barrens of M. Tenn. Tullahama. . July-September. 



D. thelypteris (L.) Asa Gray. Knoxville, -L. F. Scribner.. 

 June, July._ - 



D. Goldieana (Hook.) A. Gray. Aspidium Goldieanunt 

 Hook. Cumberland and Alleghany Mts. Frequent. July,. 

 August. 



D. marginalis (L.) A. Gray. Aspidium marginale Sw. 

 Over the Cumberland and Alleghany Mts. Leaves evergreen. 

 July, August. M. 



D. spinulosa (Retz.) Kuntze. Smoky Mts. 



D. spinulosa intermedia (Miihl.) Underwood. Wolf Creek, 

 Cocke County, Clingman's Dome. July. 



D. spinulosa dilatata (Hoffm.) Underw. With the former. 

 July, August. 



PHEGOPTERIS F6e. 



Phegopteris Phegopteris (L.) Underw. Beech fern. Phe- 

 gopteris polypodioides F6e. Mts. of East Tennessee. 



Ph. hexagonoptera (Michx.) F^e. Hiehlands of Middle 

 Tennessee. Frequent; leaves, fragrant. August. 



WOODWARDIA J. E. Smith. 



Woodwardia areolata (L.) Moore. Woodwardia angusti- 

 folia J. E. Smith. Chain fern. Bogs. O. S. July, August. 



