wAcouN.] CATALOGUE OP CANADIAN PLANTS. 127 



(494.) B. capitellatum, C. M. & Kindb. (n. sp.) 



B. miniatum, Canadian Musci, No. 175, in part. 



Tufts small compact, yellowish green above, reddish-rufescent below. 

 Stems (primary branches) subjulaceous, clavate, acute, radiculose at 

 the base, about 1 cm. high ; innovations short. Leaves gradually 

 larger upwards, not decurrent, very concave, not margined nor 

 revolute at the entire borders ; areolation wide and pellucid, upper cells 

 8ub-rhomboidal, the lower sub-rectangular ; the lowest leaves very 

 small, short-elliptic and blunt, loosely disposed, the other crowded, the 

 median suboval and blunt, the uppermost ovate-oblong, subacute ; costa 

 finally red, percurrent in the upper leaves, abbreviate in the lower. 

 Barren, 



Probably allied to Bryum Atwaterioe and B. miniatum, which both 

 differ in the leaf-cells being narrower and yellow, the leaves obtuse 

 and cucullate at the apex, faintly revolute at the borders below the 

 middle ;. the last has smaller leaves and shorter marginal cells. 



Borders of ditches at Comox, Yancouver Island, April 30th, 1887. 

 {Macoun.) 



(495.) B. Atwateriae, C. Muell. ; Lesq. & James, Mosses of K 

 America, 234 ; Canadian Musci, No. 176. 



B. Macounii, Aust. in Coult. Bot. Gaz. II. 110. 



On wet rocks along Gull Lake, Addington Co., Ont. ; abundant on 

 wet rocks, Sproat Mountain, Columbia Eiver ; wet rocks, North Arm, 

 Burrard Inlet, B.C. ; Mount Erskine, Salt Spring Island, Gulf of 

 Georgia ; abundant on wet rocks near Yictoria and at Comox, Yan- 

 couver Island ; also on wet rocks along Stewart's i^iver, northern 

 British Columbia. {Macoun.) 



(496.) B. argenteum, Linn.; Lesq. & James, Mosses of K America, 

 234 ; Canadian Musci, No. 177 ; Drumm. Muse. Bor,-Am., No. 251. 



Common in various situations. (Drummond.) On earth or stones, 

 Truro, N.S. (Fowler's Cat.) Common on earth by roadsides and 

 paths, and on bare rocks, chiefly the var. lanatum. Quite common in 

 Ontario and westward. On earth, Manitoba House, Lake Manitoba, 

 Man.; also at Edmonton, Athabasca ; andMcLeod'sLake, lat. 55°; and 

 at cache Creek, B.C. (Macoun.) Yery common on sandy soil at London, 

 Ont. (J. JDearness.) New Harbor and Chance Cove, Newfoundland. 

 (Eev. A. Waghorne.) Eocky Mountains. {Bourgeau.) Disco Island, 

 Greenland. {Fl Gr.) Iktigalik, Alaska. {Roth. Alask.) St. Paul 

 Island, Behring Sea. 1891. (J. M. Macoun.) 



