90 GEOLOGICAL AND NATURAL HISTORY SDRVET OP CANADA. 



(344.) O. Schimperi, Hamm. 



O. fallax, Schimp. ; Lesq. & James, Mosses of N. America, 171. 



Not uncommon on trees at Ottawa ; on fence rails at Oarleton Place 

 and on trees on Massassagua Point, Bay of Quinte, Ont. (Jfacown.) 



(345.) O. brachytrichum, Schimp.; Lesq. & James, Mosses of N. 

 America, 172. 



O. obtusifolium, Drumm. Muse. Bor.-Am., No. 157. 



Upon trees in the country extending from Upper Canada (Ontario), 

 to the Rocky Mountains. (Drummond.') 



I believe Drummond's specimen to be really 0. obtusifolium. 



(346.) O. strangu latum, Beauv. ; Lesq. & James, Mosses of N. 

 America, 172 ; Canadian Musci, No. 124. 



On trees at Bass Eiver andi Predericton, N.B. {Fowler's Cat.) On 

 trees at Cove Head, P.B.I. ; also at Pictou, N.S. ; on trees in woods 

 around Ottawa; at Belleville and Owen Sound, and also at Lake 

 Nepigon, Ont. {Macoun.) On poplar trees at Pictou, N.S. {McKay.) 



(34Y.) O. tenellum, Bruch ; Lesq. & James, Mosses of N. America, 

 172. 



On trees at London, Ont., 1889. {J. Deamess.) 



(348.) O. consimile. Mitt.; Lesq. & James, Mosses of N. America, 

 173. 



On trees, Vancouver Island. {Lyall.) We are not acquainted with 

 this species. 



(349.) O. lonchothecium, CM. &Kindb. (n. sp.) 



Differs from Orthotrichum speciosum in the capsule being shorter than 

 the pedicel, when moist, and the calyptra narrower ; the peristome 

 erect when dry, the cilia of one row of cells. 



On trees at the mouth of Kruo Creek, Kootanie Lake, B.C., July 13th, 

 1890 ; also on trees at Banff, Eocky Mountains, 1891. {Macoun.) 



(350.) O. Roellii, Vent. Bot. Can., 51 (1890), 6. (n. sp.) 



0. lonchothecium, Canadian Musci, No. 497. 

 On rocks, Port Chipweyan, Lake Athabasca, N.W.T. ; on rocks at 

 Yale, B.C., May 17th, 1875; also on rocks, Deer Park, Lower Arrow 

 Lake, Columbia Eiver, B.C. {Macoun.) 



