70 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



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

 current canaliculate, pellucid in the middle. 



Probably allied to the European G-rimmia elatior, Bryol, Europ., but 

 this species has also the upper cells sinuous. 



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

 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, euberect, 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.) G. alpestris, Schleich. ; Lesq. & James, Mosses of N, 

 America, 146 ; Canadian Musci, No. 414. 



Summit of Mount Albert, Gaspd 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 6rr.) 



(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. commutata, 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, Out. ; also 

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



