MACOUN.J CATALOGUE OP CANADIAN PLANTS. 133 



Yar. hyalodontium, C. M. & Kindb. (n. var.) 



Differs principally in the pale-brown capsule and the pale, hyaline, 

 peristome. 



On wet rocks at Hector, Eocky Mountains, B.C., August 13th, 1890. 

 (Macoun.) 



(512.) B. denticu latum, Kindb., Bull. Torr. Bot. Club, XYII., 2*73. 



Differs from B. pseudotriquetrum in the leaves being distantly denti- 

 culate to the middle, lanceolate-acuminate, reflexed at the base. Barren. 



Around springs, on the Cypress Hills, Alberta (1880) ; in a bog in 

 Eoger's Pass, Selkirk Mountains, B.C., August 2l8t, 1885. (Macoun.) 



(513.) B. hydrophilum, Kindb., Bull. Torr. Bot. Club, XVL, 95. 



Closely allied to B. pseudotriquetrum, but the leaves are nan*ower, 

 ovate-lanceolate, reflexed at the base or not at all ; costa yellow ; tufts 

 loose, radiculose only below. Flowers and capsules not found. 



Wet springy places near the sea at Nanaimo, Vancouver Island, 

 June 4th, 1887. (Macoun.) 



(514.) B. turbinatum, Schwaegr ; Lesq. & James, Mosses of K 

 America, 238. 



On rocks, St. Anne des Monts Elver, Gasp^ Co., Que. ; on calcareous 

 rocks at Belleville, Ont. ; also along the Athabasca Eiver at Fort 

 Assiniboine, N.W.T. ; Blackwater Eiver and Hastings, B.C. ; on earth 

 at Comox, Yancouver Island. (^Macoun.) Galton Mountains, B.C. 

 (Lyall.) Greenland. (Fl. Gr.) 



(515.) B. meseoides, Kindb., Bull. Torr. Bot. Club, XYL, 95 ; 

 Canadian Musci, No. 18Y. 



Dioecious. Densely csespitose. Stem 1-2 cm. high, reddish. Leaves 

 yellowish, brown-margined, not decurrent, ovate-oblong or short- 

 lanceolate, short-acuminate, faintly denticulate at the apex, slightly 

 reflexed on the borders at the base, cells rhomboidal-oblong ; costa 

 red, scarcely excurrent, abbreviated in the lower leaves ; male flowers 

 discoid ; perigonial leaves ovate-lanceolate, narrower areolate, denti- 

 culate from the middle ; perichetial leaves narrow, more acuminate. 

 Capsule narrowly pyriform, defluent to a longer coUum, immature, 

 arcuate' pale, wide-mouthed, constricted below the mouth ; lid convex, 

 pale-yellow, mammillate ; teeth pale-yellow, connivent ; annulus double ; 



