WACOUN.] CATALOGUE OF CANADIAN PLANTS. 201 



Leamington, *Ont. (Macoun.} Cape Chudleigh, Hudson Strait. (B. 

 Bell.} On stones in brooks, Little Tobique River, KB. (Hay.} 

 Greenland. (Fl. Grr.} Kotzebue Sound. (Roth. Alask.} On the 

 base of stumps along the Canadian Pacific Railway at Hastings, B.C. ; 

 also on damp earth in Roger's Pass, Selkirk Mountains. (Macoun.') 



Yar. obtusulum, Kindb. 



Brachythecium rivulare * Novse-Brunsvicice, Kindb. Ott. Nat. IV., 3; Cana- 

 dian Musci, No. 492. 



Stem irregularly divided ; branches simple and elongate. Leaves 

 glossy, ovate, blunt or short-acute, striate, decurrent, indistinctly 

 denticulate above or from the middle ; cells dilatate, principally the 

 lower and the uppermost, the alar and basilar finally orange-reddish, 

 the alar rarely greater ; costa short and simple. 



On wet rocks at Fredericton, KB. (Prof. Fowler.) On a horse 

 trough and on stones in brooks and springs at Canaan Forks, Queen's 

 Co., KB. (J. Moser.} On stones at Potawattamie Falls, Owen Sound, 

 Ont. ; in springy places at Belleville, Ont. ; on logs in a marsh at 

 Revelstoke, B.C. (Macoun.} 



(750.) B. nanopes, C. M. & Kindb. (n. sp.) ; Canadian Musci, 

 No. 548. 



Allied to Brachythecium populeum in habit, in the peristome, the 

 monoecious inflorescence, the pedicel faintly rough above, the long and 

 subpercurrent costa of the leaves ; differs however in the stems not 

 creeping, nearly without rhizoids, the branches unilateral, the leaves 

 smaller and narrower at the base, the stem-leaves long filiform-apiculate, 

 subentire and not, or indistinctly, recurved at the borders, the lower 

 decurrent ; the capsule is smaller, the pedicel shorter, about 7-8 mm. 

 long, the peristome pale-orange, the cilia long and indistinctly appen- 

 diculate. 



On earth along the Columbia River above Revelstoke, B.C., May 

 19tb, 1890. (Macoun.} 



(751.) B. populeum, Bruch & Schirap. Bryol. Europ. 



Hypnum (Brachythecium) populeum, Hedw. ; Lesq. & James, Mosses of N. 

 America, 345 ; Canadian Musci, No. 441 ; Drumm. Muse. Bor.-Am., 

 No. 176. 



On rocks, Pictou Co., KS. (McKay.} Bass River, KB. (Fowler's 

 Cat.} Miquelon Island. (Delhmare.} On granite boulders at Canaan 

 Forks, Queen's Co., KB. (J. Moser. \ On rocks in G-ilmour's Park, 

 Chelsea, Que. ; also on rocks in McKay's woods, Ottawa ; on rocks, 



