134 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



cilia perfect, long and appendiculate ; basilar membrane very low or 

 indistinct; pedicel 2-3 cm. long ; spores very small, 0.01 mm. 



Differs from B. turUnatum in the leaves being narrower, brown- 

 margined and not decurrent ; cells smaller ; perigonial leaves denti- 

 culate ; capsule arcuate and long-necked ; spores smaller. 



Wet rocks, Gasp6 coast, Que. ; along Cave Avenue at Banff, Eocky 

 Mountains ; along the railway in Eoger's Pass, Selkirk Mountains ; 

 abundant in wet places at Victoria and JSTanaimo, Vancouver Island. 

 (Macoun.') 



(516.) B. microcephalum, C. M. & Kindb. (n. sp. ad interim.) 



This is a doubtful species, not having been found with capsules. It 

 somewhat resembles Bryum ccespiticiwn, the stem is proliferous with 

 small male buds, the leaves are contorted, the costa is percurrent or 

 short-excurrent, the inflorescence dioecious. 



On rocks at Deer Park, Lower Arrow Lake, Columbia Eiver, B.C., 

 June llth, 1890. (Macoun.') 



(517.) B. torquescens, Bruch & Schimp. ; Lesq. & James, Mosses 

 ofK America, 230. 



Wet places at Truro, 1ST.S. ; also on Mount Albert, Gasp Co., Que. 

 (Macoun.) Determination very doubtful ; may be a new variety. 

 (Xindberg.) 



(518.) B. Schleicheri, Schwaegr ; Lesq. & James, Mosses of ST. 

 America, 239 ; Canadian Musci, No. 516 ; Drumm. Muse. Bor.- 

 Am., 'No. 264. 



In a marshy spot, near the " Height of Land," Eocky Mountains. 

 (Drummond.) In a wet springy place at the base of Avalanche Moun- 

 tain, Eoger's Pass, Selkirk Mountains, B.C. ; on Mount Aylmer, near 

 Devil's Lake, Eocky Mountains, alt. 8,000 feet. (Macoun.') Green- 

 land. (Fl. r.) 



(519.) B. roseum, Schreb. ; Lesq. & James, Mosses of N". America, 

 239 ; Drumm. Muse. Bor.-Am., No. 255. 



Shady woods, Kent Co., KB. (Fowler's Cat.} About the roots of 

 trees in Upper Canada (Ontario). (Drummond.) Very likely the 

 next species. 



