Flora of Burlington and Vicinity 



PTERIDOPHYTA 



Ferns and Fern Allies 



POLYPODIACEAE. FERN FAMILY 



ADIANTUM (Tourn.) L. Maioenhaik 

 A. pedatuiu L. Rich moist woods; frequent. July. 



ASPIDIUM Sw. Shield Pern. Wood Fern 



A. Boottii Tuck. Boott's Shield Fern. Wet thickets and about ponds; 

 rare. July. Burlington. (N. F. F.) ; Essex and Colchester, (Ka- 

 zan) . 



A. cristatum (L.) Sw. Crested Shield Fern. Moist thickets and 

 swamps; occasional. July. 



A. cristatum (L.) Sw., var. Cliiitoiiiaiiiiin Eaton. Clinton's Shield Fern. 

 Swampy woods; rare. July. Colchester, (N. F. F.). 



A. Goldiainim Hook. Goldie's Fern. Rich woods: rare. July. Shel- 



burne. 

 A. margiuale (L.) Sw. Marginal Shield Fern, Evergreen Wood Fern. 



Rocky hillsides in rich woods; common. July, Aug. 



A. noveboraceiise (L. ) Sw. New York Fern. Rich woods; common. 

 Aug. 



A, spinulosum (Miiller) Sw. Spinulose Shield Fern. Rich woods; oc- 

 casional. July. 



A. spiiuilosuin (Miiller) Sw., var. intermedhiin (Muhl.) Eaton. Woods; 

 common. July. 



A. Tlielypteris (L.) Sw. Marsh Fern. Marshes; common. Aug. 



