54 SYNOPSIS OF THE FLORA OF THE 



E,. riamniula, L. Yar. reptans. Flame Crowfoot. 



Indigenous. Among gravel and sand by lakes and rivers. Extends from 

 Newfoundland (T. & G.) New Brunswick (Mathews). Labrador (T. & G.) 

 to Lake Superior (Macoun). Riviere Chaudiere (Brunet). Abundant along 

 the Rivers Moira and Trent, and by the shore of Lake Ontario. Toronto, 

 Laprairie (Prof. H. Croft). St. Joseph's Island, Muskoka (Prof. Ellis). Lake 

 Winipeg and Athabasca River (Gov. McTavish, Prof. Lawson). Saskatchewan 

 River (Bourgeau). Lake Athabasca (Macoun). 



R. Cymbalaiia, Pursh. Seaside Crowfoot. 



Indigenous. Salt marshes and the seaside. Musquodoboit River, Nova 

 Scotia (Prof. LaAvson). Windsor, Nova Scotia (Prof. How). Fredericton (Dr. 

 Robb). New Brunswick (Rev. Dr. Fowler). Anticosti (Verrill). Bay of 

 Fundy (Mathews). Gasp6 Bay (Dr. BeU). St. Joachim and Rimouski (Bru- 

 net). Fort William, Thunder Bay, Lake Superior (Macoun). Lake Winipeg 

 (Barnston). From Lake Superior westward to Peace River Valley (Macoun). 

 Arctic Sea, lat. 68° (Torr. & Gray). West coast of Newfoundland (Dr. Bell). 

 Throughout British Columbia (Macoun). 



H. Cjmbalaria, Pursh. Yar. alpina, T. & G. Alpine Crowfoot. 



Very small ; leaves 3-toothed at the apex ; scape 1 -flowered (Torr. & Gray). 

 Indigenous. Rocky shores. Island of Anticosti (Brunet). Sea shore, 

 Rivi6re-du-Loup (Dr. Thomas). Rare. August. 



R. pygmseus, Wahl. Diminutive Crowfoot. 



Stem erect, never creeping, 1' — 2' high, 1 -flowered ; leaves glabrous, 3-5 

 cleft ; radical ones petioled, cauline ones sessile ; calyx glabrous, longer than 

 the somewhat reflexed petals ; heads oblong ; carpels sub-globose, not mar- 

 gined at the back, pointed with a short-hooked style. 



Indigenous. Rocks. Labrador (Pursh). Arctic America and Rocky Moun- 

 tains, in lat. 55° (T. & G. ) Unalaska, Kotzebue Sound (Hook. & Arnott, in 

 hot. Beechey). Mount Selwyn, 6,000 feet above the sea, lat. 56° N. (Ma- 

 coun). Arctic. August. 



E,. nivalis, L. Arctic Crowfoot. 



Radical leaves on long petioles, dilated, lobed, the lobes somewhat ovate ; 

 cauline ones nearly sessile, palmate, stem erect, about 1 -flowered, shorter 

 than the obovate entire petals (Torr. & Gray). 



Indigenous. Rocks. Coast of Labrador (Hooker). Kotzebue Sound (Beechey). 

 Rocky Mountains of B. N. America to Alaska (S. Watson). August. 



R. affinis, R. Brown. 



Radical leaves petioled, usually pedately multifid ; cauline ones sub-sessile, 

 digitate, with broadly linear lobes ; stem erect, few-flowered ; carpels with 

 recurved beaks in oblong cylindrical heads, more or less pubescent throughoiit. 



Indigenous. Rocks. Isle of Grues (Brunet). Melville Island and north- 

 east coast (Hooker). Rocky Mountains and Kotzebue Sound, as variety 

 leiocarpus, which is the western form. August. 



R. rliomboideus, Goldie. Rhomboid-leaved Crowfoot. 



Indigenous. Dry sandy hills and plains. Near Montreal (Dr. Holmes). 

 Sandy plains near Oastleton ; Murray Town Hall, Northumberland County, 

 Out. (Macoun). Sand hills on the banks of the Humber (Prof. Lawson). 



