FLORA OF BURLINGTON AND VICINITY 3 



PELLAEA Link. Cmff Brake 



r. atroimriMirca (L.) Link. Pnrple Cliff Brake. Limestone cliffs; 

 occasional. July. 



PHEGOPTERIS (Presl) Fee. Beech Fern 

 1*. Dryopteris (L.) Fee. Oak Fern. Moist woods; frequent. July. 



1*. hexagonoptera (Michx.) Fee. Broad Beech Fern. Rich woods; 

 rare. July, Aug. Shelburne, (Jones) ; Burlington, (N. F. F.) ; 

 Colchester, (Griffin). 



P. polypodioidcs Fee. Long Beech Fern. Damp woods; occasional. 

 July. 



POLYPODIUM (Tourn.) L. Polypodt 



1*. viilgare L. Rocks; common. July, Aug. 



POLYSTICHUM Roth. 



P. acrostiehoides (Michx.) Schott. Christmas Fern. Rocky woods; 

 common. July. Var. Schweinitzii (Beck) Small. (Var. incisum 

 Gray) Occasional. A crisped form occurs, Burlington, (Mrs. 

 Richardson, Ross); Colchester, (Griffin). 



PTERIS L. Br.^ke or Bracken 



P. aquiliiia L. Pastures and woodlands; common. Aug. Var. psEudo- 

 CAUDATA Clute. Rare. Colchester, (Ross). 



WOODSIA R. Br. 



Vi. ilvensis (L.) R. Br. Rusty Woodsia. Exposed rocks; occasional. 

 July. Abundant at one station. 



W. obtiisa (Spreng. ) Torr. Blunt-lobed Woodsia. Rocky banks; oc- 

 casional. July. 



WOODWARDIA Sm. Chaix Fern 



W. Tirgiuica (L.) Sm. Virginia Chain Fern. Wet swamp, Colchester, 

 (Robbins). July. 



OSMUNDACEAE. FLOWERING FERN FAMILY 



OSMUNDA (Tourn.) L. Flowering Fern 



0. ciiniaiiioiiiea L. Cinnamon Fern. Wet woods and pastures; com- 

 mon. Fertile May; sterile June. Variable in the shape and cut- 

 ting of the pinnules. Var. incisa Hunt. Rare. Burlington, (Ross, 

 N. F. F.) ; Colchester, (Griffin). 



