150 GEOLOGICAL AND NATURAL HISTORY SURVEY OF 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. 



Not uncommon in Greenland. (Fl. Or.) Miquelon Island. (Dela- 

 ware.} Chance Cove, Newfoundland. (Rev. A. Waghorne.) 



(577.) P. dentatum, Brid.; Lesq. & James, Mosses of N. America, 

 261 ; Canadian Musci, No. 544. 



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

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



Banks amongst the Rocky Mountains. (Drummond.) North-west 

 coast. (Nelson, Menzies.} Alaska. (Bischoff.} On the summit 01 

 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 Roger's Pass and by Beaver Creek, Selkirk Mountains. 

 (Macoun.} 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. (Menzies.) On the roots of 

 upturned Douglas Fir in woods along the Columbia River, above 

 Revelstoke, 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, narrowly Ungulate ; pedicel about 4 cm. long. Dioecious. 



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



