52 



June 20th to July 1st 



I*oJypodiacece. ' 

 Aspidium Thelypteris, (L.) Sw. 



Wet or moist woods; common. 



noveboracense, (L.) Sw. 



Wet or moist woods ; common. 



spinulosum, (0. F. Miiller) Sw. 



Wet or moist woods; common, 

 var. dilatatum, (Hoffm.) Hook. 



Wet or moist woods ; common. 



var. intermedium, (IMulil.) D. C. Eaton. 



cristatum, (L.) Sw. 



Wet or moist woods; common. 



marginale, (L.) Sw. 



Rocky woods; common. 



Polysticlmm acrostichoides, (Michx.) Scliott. 



Rocky woods; common. 



*Cystopteris fragilis, (L.) Bernli. 



Rocky woods ; common. 



Onoclea sensibilis, L. 



Wet woods and meadows; common. 



Woodsia obtusa, (Spreng.) Torr. 



Rocky places ; common. 



Dicksonia pilosiuscula, (Michx.) Gray. 



Shady places ; common. 



Ophioglossacece. 



Botrychium virginianum, (L.) Sw. 



Rich woods; frequent. 



*Ophioglossum vulgatum, L. 



Boggy places; rare. 



Shield Fern. 



Christmas Fern. 

 Bladder " 

 Sensitive ' * 

 Woodsia. 

 Dicksonia. 



Rattlesnake Fern. 

 Adder's Tongue. 



Fii HI a riaceie. 



Adlumia fungosa, (Ait.) Greene. 



Vine climbing over bushes. 



Climbing Fumitory. 



*n. Willey. 



