THE FERN BULLETIN 



13 



Cystopteris fragilis (L.) Brittle fern. In damp 

 woods and under overhanging rocks throughout the 

 State. The form dent at a is found in Washtenaw 

 Co., Lower Peninsula and in Keweenaw Co. Upper 

 Peninsula and probably occurs throughout the 

 State. 0. A. FarwelL 



Woodsia ilvenis (L.) R. Br. Rusty woodsia. Near 

 Norway, Dickinson Co., Upper Peninsula, C. F. 

 Wheeler. Common in Upper Peninsula. 



Woodsia alpina (Bolton.) Alpine woodsia. Kewee- 

 naw Co., Upper Peninsula, O. A. FarwelL Ap- 

 parently rare. 



Woodsia obtusa (Spreng.) Blunt-lobed woodsia. 

 Abundant in crevices of overhanging rocks, Lake 

 Huron shore near Port Austin, Huron Co., C. A. 

 Davis. Said not to be rare in the Upper Peninsula. 



Woodsia Oregana (D. C. Eaton.) Oregon Wood- 

 sia. South shore of Lake Superior in the Upper 

 Peninsula. 



Woodsia cathcartiana (Robinson). On rock of 

 the lower falls of the Menominee river in the Upper 

 Peninsula, C. F. Wheeler. Originally reported as 

 Woodsia scopulina. 



Dicksonia punctilobula (Michx.) Hay-scented 

 fern. Emmet Co., in Lower Peninsula; Keweenaw 

 Co., in Upper Peninsula, 0. A. FarwelL 



Onoclea sensibilis (L.) Sensitive fern. Abundant 

 in damp open or shaded ground throughout the 

 State. 



Onoclea struthiopteris (L.) Ostrich fern. 

 Abundant on Black river bottom in St. Clair Co. ; 

 Lapeer Co. ; Huron Co. ; Tuscola Co. Occasional 

 throughout the State. 



