398 THE CANADIAN NATURALIST. [Oct. 



Alliance v. Filicales, Berkeley. 



The Editor is indebted to Rev. Mr. Brunet, Rev. Prof. Hincks, 

 Dr. Thomas, Mr. Macoun, Mr. Drummond, Judge Logie, Mrs. 

 Traill, and Mr. Barnston, for local fern lists and other information ; 

 he has also availed himself of all the published information within 

 his reach. His personal observations extend through the greater 

 part of Lower Canada as far east as Mingan and Graspe. The 

 nomenclature is that of Prof. Gray, in the second edition of his 

 Manual of Botany, the varieties being omitted. 

 Equisetum (The Horsetails), 

 arvense [Field Horsetail). 



Common everywhere in damp places ; a weed, 

 eburneum (Great Horsetail). 



In moist places. Belleville, Mr. Macoun ; Quebec, Abbe 

 Brunet ; probably general. 



pratense (Blunt-topped Horsetail). 



On wet sandy river banks, and elsewhere. General and 

 not uncommon. 



gylvaticum (Wood Horsetail). 



In moist woods, &c. ; general, and not uncommon. 



limosum (Smooth Horsetail). 



Usually in water; general, and common. 



palustre (Swamp Horsetail), 



In wet places. Lotbiniere, Abbe Brunet ; near Toronto, 

 Prof. Hincks ; Belleville, Mr. Macoun ; probably gen- 

 eral. This (E. palustre of Linn.) is a common Eu- 

 ropean plant; it is not in Gray's Manual. 



robustum (Stout-stemmed Horsetail). 



In woods and moist places. Dr. Lawson's station, near 

 Toronto, is the only one known to the Editor. 



hyemale (Rough Horsetail). 



In wet places ; general, and common. 



vaiiegatum (Variegated Horsetail). 



In wet sandy places. Abundant along the sandy shores 

 of Lake Ontario, Mr. Macoun : Anticosti, Abbe Brunet 

 — probably general, 

 scirpoides (Smallest Horsetail). 



In moist rocky woods and swamps ; general, and common. 



Polypodium (The Polypodies.) 

 vulgare (Common Polypody). 



On mossy rocks ; general, and common. 



