204 GEOLOGICAL AND NATURAL HISTORY SURVEY OP CANADA. 



(762.) I. Brewerianum, (Lesq.) Lesq. & James. 



Hypnum Brewerianum , Lesq. ; Lesq. & James, Mosses of N. America) 

 349 ; Canadian Musci, No. 294, in part. 



On rocks, North Arm, Burrard Inlet, B.C. ; also on rocks at Esqui- 

 mault, near Victoria, Vancouver Island. (Macoun.) 



(763.) I. myurellum, Kindb. Bull. Torr. Bot, Club, XVII., 278; 

 Canadian Musci, No. 397. 



Tufts very loose, dark green, not glossy. Stems creeping; branches 

 (secondary stems) erect, tree-like and ramose ; branchlets curved, 

 attenuate. Leaves of the branches appressed when dry, small, ovate, 

 blunt or short-acuminate, twice serrate or denticulate all around, 

 smooth, scarcely reflexed on the borders ; alar cells round-quadrate, 

 the middle ones narrow, upper rhombic ; costa long, three-fourths the 

 length of the leaf. Perichetial leaves nerveless, oblong with a long, 

 denticulate, horizontally patent acumen and narrow cells. Capsule 

 oval-oblong, inclined ; segments with a low basilar membrane and two 

 short cilia ; annulus double ; lid conical, acuminate ; pedicel smooth. 

 Dioecious. 



On decaying logs and rocks below the railway bridge over the 

 Nanaimo Eiver, Vancouver Island. (Macoun.) Drew's Harbor, Gulf 

 of Georgia, B.C. (Daivson.) 



(764.) I. spiculiferum, (Mitt.) Lesq. & James. 



Hypnum spiculifei um, Mitt, ; Lesq. & James, Mosses of N. America, 348. 

 British America, (LyaH, Douglas.') 



(765.) I. acuticuspis, (Mitt.) Lesq. & James. 



Hypnum acuticuspis, Mitt. ; Lesq- & James? Mosses of N. America, 349. 

 British Columbia. (Douglas.) 



(766.) I. aggregatum, (Mitt ) Lesq. & James. 



Hypnum aggregatum, Mitt. ; Lesq. & James, Mosses of N. America, 350. 

 Vancouver Island. (LyalL) British Columbia, (Douglas.) 



(767.) I. aplocladum, (Mitt.) Lesq. & James. 



Hypnum aplocladum, Mitt. ; Lesq. & James, Mosses of N. America, 350. 

 North-west coast of America. (Douglas.) 



