218 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



(820.) A. confervoides, Bruch & Schimp. Bryol. Europ. 



Hynum confervoides, Brid. ; Lesq. & James, Mosses of N. America, 372 ; 

 Canadian Musci, No. 317. 



On stones in woods, Canaan Forks, Queen's Co., N.B. (J. Moser.) 

 On flat limestone rocks in McKay's woods and in woods west of 

 Ottawa ; on limestone boulders in woods around Belleville, Ont. ; on 

 flat limestone rocks in woods at Owen i^ound, Ont. ; also on limestone 

 rocks at Hector, Rocky Mountains. (Macoun.) 



(821.) A. Yuratzkae, Schimp. Synops. ed. 1. 

 Hypnum Zuratzskx, Canadian Musci, No. 4C6. 



On dead wood, stones and bases of trees in damp woods around 

 Ottawa ; also on the bases of trees in woods at Owen Sound, Ont. ;, 

 on old logs west of Revelstoke, B.C. (Macoun.) 



(822.) A. Serpens, Bruch & Schimp., Bryol. Europ. 



Hypnum serpens, Linn. ; Lesq. & James, Mossea of N. America, 373 ; 

 Canadian Musci, No. 318 ; Drumm. Muse. Bor.-Am., No. 187. 



Roots of trees in shady situations. (Drummond) On earth at the 

 bases of trees at Bass River and Fredericton, N.B. (Fowler's Cat.) 

 On earth in woods, Canaan Forks, Queen's Co.. N.B. (J. Moser.) 

 Miquelon Island. (Delaware.) Vicinity of Quebec. (St. Cyr.) Battle 

 Harbor, Labrador. (Rev. A. Waghorne.) Decayed wood, South-west 

 Point, Anticosti ; on earth, Brackley Point, Prince Edward Island \ 

 on earth in woods at Ottawa, Belleville, Wooler, Niagara Falls and 

 Owen Sound, Ont.; on roots of trees, Moose Mountain, Assiniboia \ 

 on earth at Hudson Hope, Peace River, lat. 56 ; abundant at the 

 bases of trees north of Edmonton, N.W.T. ; on earth at Quesnel, 

 Spence's Bridge, Sicamous, Kamloops and Agassiz, B.C. ; on earth at 

 Cedar Hill, near Victoria, Vancouver Island. (Macoun). Near Dor- 

 chester, Middlesex Co., Ont. (J. Dearness.') Greenland. (FL Gr.) 



Var. xanthodictyon, Kindb. (n. var.) 

 (A. serpens * lutescem, Kindb. MS.) 



Tufts loose, yellow- brown. Stem pinnate. Leaves, from an ovate- 

 oblong base, acuminate, denticulate or entire ; the alar and often also the 

 lower basal cells quadrate, yellowish, the other oblong except the inner, 

 sublinear near the costa and in the acumen. Perichetial leaves very 

 small, nerveless. 



Although the areolation of the leaves differs very much from the 



