[546] 



SYNOPSIS OF THE FLORA OF THE VALLEY OF 

 THE ST. LAWRENCE AND GREAT LAKES, 



WITH DESCRIPTIONS OF THE RARER PLANTS. 



BY JOHN MACOUN, M.A., Botanist to thi Geological Survey. 



{Continued from page 1,35.) 



E,. rotundifolium, Michx. 



Indigenous. Eocky banks of rivers. Cape Rouge River (Brunet). Not 

 very common at River du Loup (Thomas). Nonpareil (Maclagan). Common 

 at Prescott (Billings). 



R. lacustre, Poir. 



Indigenous. Abundant in Cedar Swamps. New Brunswick (Fowler). Quebec 

 and Point Levi (Brunet). River du Loup (Thomas). River Rouge (D'Urban). 

 Abundant in swamps throughout Ontario, and extends by Lake Superior and 

 the Dawson Route to Lake Winnipeg, thence through the wooded country to 

 the Fraser in British Columbia (Macoun). West coast of Newfoundland (Dr. 

 Bell). Labrador (Butler). 



K. prostratum, L'Her. 



Indigenous. Cold damp woods and rocks. New Brunswick (Dr. Fowler). 

 Lotbird^re (Brunet). Common on rocks. River Rouge (D'Urban). Very com- 

 mon at River du Loup (Thomas). Rocks west of Brockville and Chelsea, C. E. 

 (BiUings). Abundant on Laurentian rocks in the Counties of Addington, 

 Hastings and Peterboro'. Shore of Lake Huron ; Kaministiquia River and 

 Thunder Bay ; Dawson Route ; on the slopes of Deer Mountains near Slave 

 Lake (Macoun). Montreal and Kingston (Maclagan). Labrador (Butler). 

 West coast of Newfoundland; Owen Sound and Gore Bay (Dr. Bell). 



R. floridum, L. 



Indigenous. Common in swamps and wet woods throughout the valley of 

 the St. Lawrence and west to the Saskatchewan (Macoun). 



R. rubrum, L. 



Indigenous. Swamps and wet woods. New Brunswick (Mathews). Vicinity 

 of Quebec, St. Joachim and Cape Tourmente (Brunet). Abundant around clear- 

 ings, Pdver Rouge (D'Urban). Very common at River du Loup (Thomas). 

 Common at London (Saunders). Swamps, Niagara District (Maclagan). West 

 coast of Newfoundland ; Gore Bay and Hilton, Lake Huron (Dr. Bell). Cool 

 damp woods, Central Canada, Owen Sound and Lake Huron, shore of Bruce 

 Peninsula ; common around Lake vSuperior and along the Dawson Route, and 

 westward by the wooded country to Peace River and Upper British Columbia 

 (Macoun). North to the mouth of the Mackenzie (Richardson). 



