CATALOGUE OF CANADIAN PLANTS. 41 



161. S. irrigua, (Nees) Dumort. 



On earth by roadsides, Brackley Point, Prince Edward Island ; 

 on wet earth by springs at Truro, N.S. ; on boggy ground summit 

 of Mount Albert, alt. 4000 feet, Gaspe Co., Que. ; on stones in 

 brooks northeast coast of Lake Superior ; along Peace River, 

 Rocky Mountain Canon, Lat. 56° 12', Oct. 24th, 1872 ; by springs 

 at Quesnel, Fraser River, B.C. {Macoun.) Port Clarence, Alaska. 

 {Evans) Scoresby Sound, East Greenland. {C.Jansen.) 



162. S. umbrosa, (ScHRAD. ) Dumort. 



S. convexa^ (Scop.) Pearson, List Can. Hep. p. 15. 



Miquelon Island, Gulf of St. Lawrence. {Deldmare.) On old 

 logs. Sea's farm, and at Parson's bridge near Victoria ; on old 

 logs at Goldstream, on rotten wood, Mount Mark, and on old logs 

 at Comox, Vancouver Island. {Macoun.) Sitka, Mt. Verstovia, 

 Juneau, Orca, Columbia Fiord and Yakutat Bay, Alaska. {Evans.) 

 Scoresby Sound, East Greenland. {C.Jansen.) 



163. S, imbricata, M. A. Howe, Bull. New York Bot. Gar. 



Vol. II., 104, 1901. 



On rocks, Crater Lake, at foot of Chilcoot Pass, Alaska, alt, 

 about 900 metres. May 24th, 1898. {Williams.) 



164. S. curta, (Mart.) Dumort. 



On earth. South West Point, Anticosti ; on earth along Ste. 

 Anne des Monts River, Gaspe Co., Que. ; on old logs at Ottawa, 

 Ont. ; on slate rocks 10 miles south of Fort William, Lake 

 Superior, July i6th, 1869 ; on rocks, Nipigon River, and Lake 

 Nipigon, Ont. ; on old logs, Sudbury Junction, Algoma, Ont. ; 

 on earth. House Mountain, Lesser Slave Lake, Atha. {Macoun.) 

 Unalaska Island. {Chamisso) Yakutat Bay, Unalaska and St. 

 Michael's, Alaska. {Evans) Scoresby Sound, East Greenland. 

 {C.Jansen) 



165. S. gracilis, (Lindb.) Kaalaas. 



On rocks by a brook. Big Intervale, Margaree, Cape Breton 

 Island, N.S., July 14th. 1898. {Macoun) Scoresby Sound, East 

 Greenland. {^C.Jansen) 1 



