12 



THE FERN BULLETIN 



Nephrodium marginale (L.) Evergreen wood-fern. 

 Shaded hillsides, river banks and rich woods 

 throughout the State. 



Nephrodium filix-mas (L.) Male fern. Keweenaw 

 Co., Upper Peninsula. Apparently rare. 



Nephrodium Goldieanum (Hook.) Goldie's fern. 

 Black river bottom in St. Clair Co. ; Genesee Co. ; 

 Ionia Co., C. F. Wheeler; Shiawassee Co., G. H. 

 Hicks; Gratiot Co., C. A. Davis. Oakland Co., 

 Brotherton and Farwell. 



Nephrodium Boottii (Tuckerm.) Boott's shield- 

 fern. In alder thickets, Ionia Co., Washtenaw Co., 

 Lower Peninsula. Near Norway Dickinson Co., 

 C. F. Wheeler. Keweenaw Co., Upper Peninsula, 

 0. A. Farwell. 



Nephrodium cristatum (L.) Crested shield-fern. 

 Frequent in swampy places throughout the State. 



Nephrodium cristatum Clintonianum (D. C. 

 Eaton.) Clinton's shield-fern. Frequent in rich 

 woods in St. Clair Co. and Huron Co. ; Washtenaw 

 Co. ; Ionia Co. ; Gratiot Co., C. A. Davis. 



Nephrodium spinulosum (Muller.) Spinulose 

 shield-fern. Rich woods in St. Clair Co. Common 

 throughout the State. 



Nephrodium spinulosum intermedium (Muhl.) 

 Spinulose shield- fern. Common in rich woods 

 throughout the State. 



Nephrodium spinulosum dilatatum (Hoffm.) 

 Spinulose shield-fern. Not noticed in St. Clair Co. 

 Washtenaw Co. ; Macomb Co. ; Genesee Co. ; Ionia 

 Co. ; Emmet Co. ; and southward. The Michigan 

 plant is referable to the form Anadenium Robinson. 



Cystopteris bulbifera (L.) B.ladder fern. Fre- 

 quent throughout the State in damp rich woods and 

 on moist shaded hillsides. 



