70 GEOLOGICAL AND NATURAL HISTORY SURVEY OP CANADA. 



the other cells chlorophyllous, quadrate and not sinuous ; costa per- 

 current canaliculate, pellucid in the middle. 



Probably allied to the European Grimmia elatior, Bryol, Europ., but 

 this species has also the upper cells sinuous. 



Abundant on dry rocks, Cedar Hill and Mount Tolmie, near Tictoria, 

 Vancouver Island, April 21st, 1887. (Macoun.') 



(266.) C. microtricha, C. M. & Kindb. (n. sp.) 



Plants in small blackish pulvinate tufts with green tops. Leaves, 

 when moist, suberect, short ovate-lanceolate, margins recurved, plane 

 only at the short base ; cells short, the alar narrow and , hyaline. 

 Perichetial leaves ovate obtuse. Capsule oblong, smooth ; teeth dark 

 red ; annulus not distinct ; lid short conic, obtuse ; calyptra narrow, 

 dimidiate ; pedicel flexuous, about 3 mm. long. Dioecious or monoecious 

 on distinct branches. 



Differs from the allied Grimmia alpestris principally in the longer 

 emergent capsule, the recurved leaf-margins and the short perichetial '• 

 leaves. 



On rocks north of the railway close to Eevelstoke, B.C., May 7th, 

 1890. {Macoun.) 



(267.) C. alpestris, Schleich. ; Lesq. & James, Mosses of N. 

 America, 146 ; Canadian Musci, No. 414. 



Summit of Mount Albert, Gasp^ Co., Que. ; also along the Black- 

 water Eiver, B.C., 1875. {Macoun.) 



(268.) C. sulcata, Saut. ; Flora of Greenland, 348. 

 Franz Joseph Fjord (sterile.) {Fl. Gr.) 



(269.) C. Donniana, Smith; Lesq. & James, Mosses of N. America, 

 142. 



On dry rocks, Cypress Hills, Alberta. August 2nd, 1880. (Macoun.} 



(270.) C. ovata, Web. & Mohr ; Lesq. & James, Mosses of N. 

 America, 143 ; Drumm. Muse. Bor.-Am., No. 59. 



G. commutaia, Canadian Musci, No. 94, in part. 



From Lake Superior to the Eocky Mountains. (Drummond.') On 

 rocks, Eiver Ste. Anne des Monts, Gasp^ Co., Que ; on rocks at Thun- 

 der Bay, Lake Superior, and at the outlet of Nepigon Lake, Ont. ; also 

 on rocks at Peace Eiver, lat. 56° 12'. (Macoun.) Greenland. (Fl. Gr.) 



