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Flora of Burlington and Vicinity 



PTERIDOPHYTA 



Ferns and Fern Allies 



POLYPODIACEAE. FERN FAMILY 



ADIANTUM (Tourn.) L. Maidenhair 



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



ASPIDIUM Sw. Shield Perx. Wood Fern 



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

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

 zen). 



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

 swamps; occasional. July. 



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

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



A. Ooldianum Hook. Goldie's Fern. Rich woods; rare. July. Shel- 

 burne. 



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

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



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



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

 casional. July. 



A. spiuulosum (Miiller) Sw., var. interuiedium (Muhl.) Eaton. Woods; 

 common. July. 



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



