Nephr odium Noveboracense Desv. New York 

 Fern. In moist woods, frequent throughout. 



Nephr odium marginale Gray. Evergreen Wood- 

 fern. Common in dry woods in rocky ground through- 

 out. 



Nephrodium Goldieanum Hook. Moist rich woods, 

 rare or local. Not reported from eastern part of state. 



Nephrodium Boottii Davenport. Occasional through- 

 out in moist or wet woods, usually growing near N. 

 cristatum. 



Nephrodium cristatum Michx. Crested Shield- 

 fern. Frequent in wet woods and shaded swamps 

 throughout. 



Nephrodium cristatum var. Clintonianum Gilbert. 

 Rare or occasional in wet woods and swamps, often 

 growing with the typical form. 



Nephrodium cristatum X marginale. This hybrid 

 form has been collected at Granby (I. Holcomb) 

 Waterford (Dr. C. B. Graves) and at East Lyme (Miss 

 A. M. Ryan). 



Nephrodium spinulosum Desv. Spinulose Wood- 

 fern. Occasional in moist or wet woods throughout. 



Nephrodium spinulosum var. intermedium Davenport. 

 Occasional or frequent in rich moist woods. Forms 

 approaching var. dilatatum Hook, occur: also those 

 seeming to answer to var. fructuosum Gilbert. 



Cystopteris fragilis Bernh. Frequent on moist shady 

 ledges throughout. One of the earliest ferns to appear 

 in the spring. 



Cystopteris bulbifera Bernh. Bladder-fern. Com- 

 mon in rich moist woods and meadows and on wet 

 ledges in western districts, becoming rare and extinct 

 eastward. 



Woodsia ilvensis R. Br. Rustv Woodsia. Rare or 

 occasional on dry exposed ledges. 



Woodsia obtusa Torr. Occasional throughout in dry 

 rocky woods or in half shade. 



Dicksonia puncflobula Gray. Hay-scented Fern. 



