12 GEOLOGICAL SURVEY OF CANADA. 



49. M. sphacelata, (Grisecke) Dumort.' 



Miquelon Island, Gulf of St. Lawrence. {Deldtfiare.) On wet 

 rocks, Half-Way Brook, Cape Breton Island, N.S., Aug., 1898 ; 

 on wet rocks near the lighthouse at Yarmouth, N.S., June 23rd, 

 1883 ; on wet rocks in brooks, mountains north of Griffin Lake, 

 Gold Range, B.C. {Macoun.) Chilcat, Alaska. {Krause.) 



50. M. sparsifolia, (Lindb.) Dumort. 



On wet rocks at Nanaimo, Vancouver Island, June 4th, 1887 ; 

 on rocks. Mount Arrowsmith, Vancouver Island, alt. 4800 ft, July 

 17th, 1887. {.Macoun.) 



51. M. densifolia, (Nees) Dumort. 



On stones in brooks, on the mountains north of Griffin Lake, 

 Gold Range, B.C., Aug., 7th 1889. {Macoun.) 



21. NARDIA, S. P. Gray. 



52. N. compressa, (Hook.) S. F. Gray. 



Greenland. (Va/il.) On Atka Island, Aleutian Islands, Alaska, 

 29th Aug., 1 89 1. (/. M. Macoun.) 



53. N. scalaris, (Schrad.) S. F. Gray. 



Campo Belle Island, N.B., 1898. {Prof. Farlow.) On earth 

 near Nanaimo, Vancouver Island, June 4th, .1887. {Macoun.) Yes 

 Bay and Juneau, Alaska. {Evans.) Dawson, Yukon. {Williams.) 

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



54. N. lisematosticta, (Nees) Lindb. 



Disenchantment Bay, Hidden Glacier Inlet, St. Lawrence 

 Island, Unalaska and Cape Nome, Alaska. {Evans) Scoresby 

 Sound, East Greenland. {C. Jansen) 



55. N. obovata, (Nees) Lindb. 



On stones at Glacier, Selkirk Mountains, B.C., Aug. 6, 1890. 

 {Macoun) Farragut Bay and Kadiak Island, Alaska. {Evans) 

 Scoresby Sound, East Greenland. {C. Jansen) 



