4 C. K. Dodge 



Asplcnium Trkhoiuancs L. Maidenhair Spleenwort. — Cracks and crev- 

 ices of i)erpendicular rocks at Canyon Lake near Huron Mountain Club, 

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



Asplcnium acrustichoidcs Sw. {Athyriitin thclyptcroides Michx., Desv.). 

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

 quent throughout. 



Asplenium Filix-femina (L.) Bernh. (Athyrinin filix-focmina L., 

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

 Club. Abundant throughout. 



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

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

 quette. \^ery 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. 



Aspidiiim Thclyptcris (Iv.) Sw. [Dryoptcris thclyptcris L., A. Gray). 

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

 Mountain Club. Plentiful and often abundant throughout. 



Aspidium noveboracense (L.) Sw. (Dryopteris novehoracensis L., A. 

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

 Marquette. Apparently infrequent. 



Aspidium fragrayis (L.) Sw. (Drvoptcris fragrans L., Schott.). Fra- 

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

 parently infrequent. Noted by Mrs. Wallace Radcliffe. 



Aspidium marginalc (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 Booftii 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 hulbifera (L.) Bernh. (Pilix hulhifcra 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. 



