THE FERX BULLETIN 



17 



Equisetum hyemale (L.) Scouring rush. Com- 

 mon throughout the State on damp river banks and 

 damp shaded ground. The forms affine and rob us- 

 turn, are reported from St. Clair county and vicinity. 



Equisetum hyemale intermedium (A. A. Eaton.) 

 Scouring rush. Quite frequent and often abundant 

 in dry poor ground in St. Clair. Sanilac, Huron, 

 Tuscola, Lapeer and Macomb counties, and the east- 

 ern half of the Lower Peninsula so far as yet ex- 

 amined. 



Equisetum variegatum (Schleich.) Variegated 

 Equisetum. Common in damp sand about the shores 

 of the Great Lakes and often on borders of marshes. 

 The exact type of this species for this region accord- 

 ing to the late A. A. Eaton, was found not far from 

 the Lake Huron shore at Port Franks, Lampton Co., 

 Ontario on the edge of a lagoon or one of the closed 

 mouths of the Aux Sables river. The form Jcsupi 

 is the common form within 50 to 75 miles of Port 

 Huron in St. Clair county, usually in poor shaded 

 ground. V ery probably to be found throughout the 

 State. The form Nelsoni is accredited to Michigan 

 by»the late A. A. Eaton, but has not been otherwise 

 reported so far as known to the writer. 



Equisetum scirpoides (Michx.) Sedge-like equise- 

 tum. In shaded ground throughout the State. Too 

 often overlooked. 



LYCOPODIACEAE. 



Lycopodium selago (L.) Fir club-moss. Kewee- 

 naw Co., L T pper Peninsula, 0. A. Farwell. 



Lycopodium lucidulum (Michx.) Shining Club- 

 moss. Frequent in moist woods throughout the 

 State. 



