418 GEOLOGICAL SURVEY OF CANADA. 



(1915.) R. Acetosella, Linn. 



Abundant in sandy and barren soils from Newfoundland, Nova Scotia 

 and New Brunswick westward to the Pacific. This species seems to 

 be both native and introduced, especially eastward. In Ontario it is 

 certainly indigenous, and very abundant in the pine districts. 



LXXXV. AEISTOLOCHIACB^. Birthwort Familt. 



522. ASARUM, Linn. (WILD GINGER.) 



(1916.) A. Canadense, Linn. 



Eich woods amongst leaves and dead wood. Common in Ontario. 

 Abundant on the upper St. John, St. Francis, and Salmon rivers. Queen's 

 Co., also on Eel Eiver, and at Fredericton, Queensbury, Moi'rison's 

 Mills, and in rich woods about Andover, and Darling's Island, N.B. 

 {Fowler's Cat.) Montreal mountain, Papineau woods, and other places at 

 Montreal, 1821. {Holmes.') In a few low places along the Eiver Eouge, 

 Ottawa Co., Q. (Z)' Urban.) Island of Orleans, Quebec. {Thomas.) 

 Sillery, Quebec, Nicolet and St. Anne, Champlain Co., Q. {St. Cyr.) 

 Eastern Townships and Beloeil Mountain, Q. {Maclagan.) Very 

 common in rich woods around Ottawa. {Fletcher Fl. Ott.) Common 

 in rich woods at Prescott, Ont. {Billings.) Kingston, Niagara and 

 Maiden. {Maclagan.) Eich woods from Kingston west to Cobourg, 

 and north to Madoc and Peterboro' ; also in woods at Owen Sound. 

 {Macoun.) Mountain side west of Hamilton, common. {Logic <Ss 

 Buchah.) Common in rich woods at London. {Burgess.) Eich woods 

 some miles up the.Kaministiquia, west of Lake Superior. {Macoun.) 

 Eich wooded hillsides, Pembina Mountain, Man., 49th parallel. {Dawson 

 & Burgess.) Throughout Canada to the Saskatchewan. {Richardson.) 



(1917.) A. caudatum, Lindl. 



A. Canadense, Var. /?. Hook. Fl. II., 139. 



In rich woods on the lower slopes of the Cascade Mountains at Tale, 

 B.C. {Macoun.) Abundant in shady pine woods, among moss, on the 

 north-west coast. {Douglas.) Tale and Spuzzum, and along the 

 Goldstream, 12 miles from Victoria, B. C. {Fletcher.)^ 



