150 GEOLOGICAL AND NATURAL HISTORY SURVEY OP CANADA. 



near Shaw's, Brackley Point, Prince Edward Island ; also at Cassel- 

 man, near Ottawa, Ont. (^Macoun.') 



(576.) P. capillare, Brid. ; Lesq. & James, Mosses of N. America, 

 261. 



l^ot uncommon in Greenland. (Fl. Gr.) Miquelon Island. (JDelh- 

 mare.) Chance Cove, Newfoundland. (Bev. A. Waghome.) 



(5'7'7.) P. dentatum, Brid.; Lesq. & James, Mosses of N. America, 

 261 ; Canadian Musci, No. 544. 



P. umigerum, Canadian Musci, No. 219, in part. 

 Polytrichum umigerum, Drumm. Muse. Bor.-Am., No. 284. 



Banks amongst the Eocky Mountains. (Drummmd.) North-west 

 coast. {Wekon, MenziesJ) Alaska. (Bischoff.) On the summit oi 

 Mount Queest, Gold Eange, B.C., alt. 7,000 feet ; St. Paul Island, 

 Behring Sea, 1891. (J. M. Macoun.) Yery abundant by the side of 

 the railway in Eoger's Pass and by Beaver Creek, Selkirk Mountains. 

 {Macmn.) Polytrichum capillare, Michx., is probably a form of P. 

 dentatum, Menzies, with the stem low and nearly simple. 



(578.) P. contortum, Lesq. ; Lesq. & James, Mosses of N. 

 America, 262. 



Alaska. {Kellogg.) North-west coast. (Mensies.) On the roots of 

 upturned Douglas Fir in woods along the Columbia Eiver, above 

 Eevelstoke, B. C. (Macoun.') 



(579.) P. erythrodontium, Kindb. (n. sp.) 



P. contortum, Canadian Musci, No. 430. 



Stem erect, simple, or furnished with a short innovation above, 

 naked below, 10-12 cm. long. Leaves green, spreading, flexuous and 

 not incurved when dry, plane and patent when moist, linear-lanceo- 

 late, acuminate, red-denticulate all around, not sheathing, undulate, 

 hispid or margined ; cells round-hexagonal, chlorophyllose, also the 

 marginal ; lamellae distinct and not confluent, numerous, 20-30 ; costa 

 narrow, percurrent. Capsule single, short, ovate-cylindrical, erect and 

 papillose, wide-mouthed ; teeth red-brown, narrowly hyaline-margined 

 all around, nari-owly Ungulate ; pedicel about 4 cm. long. Dioecious. 



This species is allied to P. contortum and P. atrovirens, but very dis- 



