42 GEOLOGICAL SURVEY OF CANADA. 



166. s. brevicaulis, Tayl. 



North America. {Drummond in herb. Hook.) 



167. S. glaucocepliala, (Tayl.) Aust. 



On dead wood, Gaspe coast, and slopes of Mount Albert, alt. 

 J,000 feet, Gaspe Co., Que. ; on elm and other logs at Ottawa, 

 Ont. ; on old logs at Belleville, Hastings Co., Ont. ; on old logs, 

 very rare, near Wooler, Northumberland Co., Ont., July 20th, 

 1865 ; on old logs, Manitoba House, Lake Manitoba, Man. ; on 

 old logs west of Fraser River at Quesnel, B.C., 1875. {Macoun.) 



168. S. compacta, (Roth) Dumort. 

 Greenland. {Currie & Breniel.) 



48. RADULA, Dumort. 



169. R. conaplanata, (Linn.) Dumort. 



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

 bases of trees, Jupiter River, Anticosti ; on the bases of trees, Ste. 

 Anne des Monts River, Gaspe Co., Que.; on rocks and trees at 

 Ottawa, Ont.; on the roots of trees and on stones at Belleville, 

 Hastings Co., Ont,; on rocks and trees, Queenston Heights, Ont., 

 1901 ; on rocks. Lake Nipigon, Ont.; abundant on the bases of 

 trees in Algonquin Park, Ont., July, 1900 ; on trees. Red 

 Deer River, Porcupine Mountains, Man.; on bases of trees and 

 alders at Revelstoke, B.C.; on rocks. New Westminster, B.C.; on 

 trees. Sea's farm, Victoria, Vancouver Island ; on rocks and 

 trees. Mount Benson, Nanaimo, Vancouver Island ; on rocks and 

 the bases ot trees, Cape Breton Island, N.S., July, 1898 ; on the 

 bases of trees, Roger's Pass, Selkirk Mountains, B.C., July 30th, 

 1890. {Macoun.) Sitka, Unalaska Island and Yakutat Bay, Alaska. 

 {Evans.) 



Radula Krausei, Steph., from Chilcoot, Alaska, is doubtfully 

 referred here by Dr. Howe. 



ivo. R. Bolanderi, Gottsche. 



On rotten wood. Alert Bay, Vancouver Island, 1885. {Dr. G. 

 M. Dawson.) On Acer circifiatum at Hastings, Burrard Inlet, B.C.; 



