14 THE FERN BULLETIN 



OSMUNDACEAE. 



Osmunda regalis (L.) Royal fern. Flowering 

 fern. Common about marshy places and in swamps 

 throughout the State. 



Osmunda Claytoniana (L.) Clayton's fern. Com- 

 mon throughout the State in clamp open or shaded 

 ground. 



Osmunda cinnamomea (L.) Cinnamon fern. 

 Common in open or shaded ground, swampy places 

 and on damp shaded banks throughout the State. 



OPHIOGLOSSACEAE. 



Ophioglossum vulgatum (L.) Adder's tongue. 

 Abundant in meadow-like ground on Harsen's Is- 

 land, one of the delta islands formed by the mouths 

 of St. Clair river in St. Clair Co. Manistee Co., 

 F. P. Daniels; Washtenaw Co.; Ingham Co. Ke- 

 weenaw Co. in the Upper Peninsula, 0. A. Farwell. 

 Very probably overlooked in many places. 



Ophioglossum Engelmanni (Prantl.) Engel- 

 mann's adder tongue. Keweenaw Co. in the Upper 

 Peninsula, O. A. Farwell. 



Botrychium lunaria (L.) Moonwort. Near Har- 

 risville, Alcona Co., Lower Peninsula, W. J. Bcal; 

 Keweenaw Co. in the Upper Peninsula, 0. A. Far- 

 well. 



Botrychium simplex (E. Hitchcook.) Little grape- 

 fern. Iosco Co. in the Lower Peninsula. Kewee- 

 naw Co. in the Upper Peninsula, 0. A. Farwell. 

 Said to be rare in this State. The form subcom- 

 p ostium reported from Keweenaw Co., Upper Pen- 

 insula by O. A. Farwell. 



