4 C. K. Dodge 



Asplenium Trichomanes L. Maidenhair Spleenwort.— Cracks and crev- 

 ices of perpendicular rocl« at Canyon Lake near Huron Mountain Club, 

 and propably on shaded rocks throughout. Noted by B. Gladewitz. 



Asplenium acrostichoides Sw. (Athyrium thelypter aides Michx., Desv.). 

 Silvery Spleenwort.— Rich shaded ground near Negaunee. Perhaps fre- 

 quent throughout. 



Asplenium Filix-femina (L.) Bernh. {Athyrium filix-foemina L., 

 Roth.). Lady Fern.— Rich open or shaded ground near Huron Mountain 

 Club. Abundant throughout. 



Polystichum acrostichoides (Michx.) Schott. Christmas Fern.— Rich 

 woods and shaded rocky ground about Sugar Loaf Mountain near Mar- 

 quette. Very probably to be found throughout the county. Apparently in- 

 frequent. 



Polystichum Braunii (Spenner) Fee. Braun's Holly Fern. — Occasional 

 throughout, but plentiful in rich shaded ground along Salmon Trout River 

 near Huron Mountain Club. 



Aspidium Thelypteris (L.) Sw. (Dryopteris thelypteris L., A. Gray). 

 Marsh Shield Fern. — Marshy open or partially shaded ground near Huron 

 Mountain Club. Plentiful and often abundant throughout. 



Aspidium noveboracense (L.) Sw. {Dryopteris noveboracensis L., A. 

 Gray). New York Fern. — Rich woods about Sugar Loaf Mountain near 

 Marquette. Apparently infrequent. 



Aspidium fragrans (L.) Sw. {Dryopteris fragrans L., Schott.). Fra- 

 grant Shield Fern. — Rocky granitic hills about Huron Mountain Club. Ap- 

 parently infrequent. Noted by Mrs. Wallace Radclifle. 



Aspidium marginale (L.) Sw. {Dryopteris marginalis L., A. Gray). 

 Evergreen Wood Fern. — Rich shaded ground throughout. Observed in 

 particular as plentiful on wooded sides of Huron Mountain near Huron 

 Mountain Club. 



Aspidium Boottii Tuckerm. {Dryopteris Boottii Tuckerm., Underw.). 

 Boott's Shield Fern. — Damp shaded ground near Negaunee. Apparently 

 infrequent: 



Aspidium cristatum (L.) Sw. {Dryopteris cristata L., A. Gray). Crest- 

 ed Shield Fern. — Damp open or partially shaded ground near Huron Moun- 

 tain Club. Probably frequent throughout. 



Aspidium spinulosum (O. F. Miiller) Sw. {Dryopteris spinulosa 'MuelL, 

 Kuntze.). Spinulose Shield Fern. — In hardwoods near Huron Mountain 

 Club. Common throughout. 



Aspidium spinulosum intermedium (Muhl.) D. C. Eaton. {Dryopteris 

 intermedia Muhl., Gray). American Shield Fern. — Frequent in damp rich 

 woods near Huron Mountain Club and throughout. 



Cystopteris bulbifera (L.) Bernh. {Pilix bulbifera L., Underw.). Bulb- 

 let Cystopteris. — ^Shaded rocky ravines about Marquette and Huron Moun- 

 tain Club. Plentiful. 



Cystopteris fragilis (L.) Bernh. {Pilix fragilis L., Underw.). Brittle 

 Fern. — Rich woods and shaded rocks near Huron Mountain Club and about 

 Marquette. Plentiful. A delicate little fern. 



