12 GEOLOGICAL SURVEY OF CANADA. 



49. M. sphacelata, (GRISECKE) DUMORT. 



Miquelon Island, Gulf of St. Lawrence. (Delaware.} 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 

 1 7th, 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. (Vahl.) On Atka Island, Aleutian Islands, Alaska, 

 29th Aug., 1891. (/. M. Macoun.) 



53. N. scalaris, (SCHRAD.) S. F. GRAY. 



Campo Bello 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. Jansen.) 



54. N. liaematosticta, (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.) 



