THE FERN BULLETIN 



11 



Asplenium acrostichoides (Sw.) Silvery spleen- 

 wort. Alma, Gratiot Co., C. A. Davis. Said to be 

 frequent throughout the State. 



Asplenium filix-foemina (L.) Lady fern. Very 

 common throughout the State. The form angustctr 

 turn is common in the Upper Peninsula, O. A. Far- 

 well. 



Camptosorus rhizophyllus (L.) Walking fern. 

 Alpena Co., in Lower Peninsula, V. M. Spalding. 

 Keweenaw Co., 0. A. Farwell; near Norway, Dick- 

 inson Co., Upper Peninsula, C. F. Wheeler. Ap- 

 parently rare. 



Polystichum acrostichoides (Michx.) Christmas 

 fern. Shaded ground and river banks throughout 

 the State. 



Polystichum lonchitis (L.) Holly fern. Woods, 

 south shore of Lake Superior; Keweenaw Co., Up- 

 per Peninsula, 0. A. Farwell. 



Polystichum Braunii (Spenner.) Braun's holly- 

 fern. Keweenaw Co., Upper Peninsula, 0. A. Far- 

 well. Apparently rare. 



Nephrodium thelypteris (L.) Marsh shield-fern. 

 Very common throughout the State in damp open or 

 shaded ground. 



Nephrodium simulatum (Davenp.) Massachusetts 

 shield-fern. Belle Isle, Detroit, Wayne Co., O. A. 

 Farwell. 



Nephrodium noveboracense (L.) New York fern. 

 In damp woods, St. Clair Co., Washtenaw Co. ; 

 Macomb Co. ; Ionia Co. ; Manitoulin Island. 



Nephrodium fragrans (L.) Fragrant shield-fern. 

 Isle Royale in Lake Superior; Keweenaw Co., Up- 

 per Peninsula, Dr. Lyons. 



