FLORA OF BURLINGTON AND VICINITY 3 



PELLAEA Link. Ci-IFF Brake 



P. atropiirpiire.'i (L.) Link. Purple Cliff Brake. Limestone cliffs; 

 occasional. July. 



PHEGOPTERIS (Presl) Fee. Beech Pern 

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



P. hexag'onoptera (Michx.) Fee. Broad -Beech Fern. Rich woods; 

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

 Colchester, (Griffin). 

 P. polj-podioides Fee. Long Beech Fern. Damp woods; occasional. 

 July. 



POLYPODIUM (Tourn.) L. Polypody 

 P. Yulgare L. Rocks; common. July, Aug. 



POLYSTICHUM Roth. 



P. acrosticlioides (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. Brake or Bracken 



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

 CAUDATA Clute. Rare. Colchester, (Ross). 

 WOODSIA R. Br. 



MS. ilveiisis (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. Chain Fern 



>V. Tirginica (L.) Sm. Virginia Chain Fern. Wet swamp. Colchester, 

 (Robbins). July. 



OSMUNDACEAE. FLOWERING FERN FAMILY 



OSMUNDA (Tourn.) L. Flowering Fern 



0. ciiinanioiiiea 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). 



