﻿THE FERN BULLETIN 



75 



high and Bradford counties. (Nephrodium Boottii 

 (Tuck.) of other lists. Were it possible to examine 

 the specimens upon which these records are based, it is 

 quite probable that some would be found to be 

 Nephrodium cristatum x spinulosum (Milde). 



Nephrodium; Goldieanum ; (Hooker). Goldie's 

 Fern. Wet woods. Local, but occurs throughout. 



Nephrodium Goldieanum x spinulosum (Bene-* 

 diet). Rare. Known only from type station in Dela- 

 ware county. Neither alleged parent occurs in the im- 

 mediate vicinity of the plants, and Goldieanum not 

 within several miles. (Originally described as Ne- 

 phrodium Clint onianum silvaticum (Poyser). 



Nephrodium marginale (L.) Marginal shield- 

 fern. Rocky woods Common. Tripinnate forms 

 have been found. 



Nephrodium noveboracense (L.) New York 

 Fern. Dry woods and thickets. Common, through- 

 out. 



Nephrodium simulatum (Dav.) Dodge's Fern. 

 Low. wet woods. Rare. Pike, Monroe and Schulkill 

 counties in the eastern portion of mountain belt. Re- 

 ported from Chester county in Porter's list, but speci- 

 mens I have examined seem better referred to N. 

 noveboracense. 



Nephrodium spinulosum (Muhl.) Spinulose 

 shield-fern. Rocky woods and shaded banks. Infre- 

 quent throughout. 



Nephrodium spinulosum dilatatum (Hoff.) 

 Broad wood-fern. Woods. The mountains and west-* 

 ern plateau. Local. Susquehanna, Lackawanna, Pike, 

 Monroe, Lycoming, Potter, Armstrong, Erie, Brad- 

 ford and Allegheny counties. 



Nephrodium spinulosum intermedium (Muhl.) 



