MAcouN.] CATALOGUE OP CANADIAN PLANTS. 33 



ovate-lanceolate, nearly entire, acumen generally sub-obtuse ; alar 

 cells brown, the others narrow and porose, the uppermost oblong ; 

 costa not per current, smooth and narrow. Barren. Has often the habit of 

 Orthothecium ehryseum. 



This species could be considered as intermediate between D. 

 scoparium and D. Bergen, but differs from both in its peculiar habit 

 and the sparingly radiculose stem. 



On earth near Fort Eupert, Vancouver Island, 1885. (Dawson.) 



(114.) D. subpalustre, 0. M. & Kindb. (n. sp.) 



Differs from the allied B. Bonjeani in the leaves being more concave, 

 suddenly narrowed into a long setiform acumen ; alar cells dark 

 brown, forming distincter auricles ; the outer perichetial leaves long, 

 aristate, the inner obtusate or very short-apiculate and entire. The 

 leaves are faintly undulate and slightly crispate. 



On earth on rocks at Hector, Eocky Mountains ; on rocks at Deer 

 Park, Lower Arrow Lake, Columbia Eiver, June 18th, 1890. {Macoun.) 



(115.) D. Bergeri, Bland., Muse. fr. exs. III., No. 104 (1804). 



D. Schraderi, Web. & Mohr. (1807) ; Lesq. & James, Mosses of N. America. 



75 ; Canadian Musci, No. 45 ; Drumm. Muse. Bor.-Am., Nos. 87-88. 

 D.rugosum, Kindb. & var. rugidosum, Kindb., Ottawa Naturalist Vol. IV. 61, 



Moist rocky places, not rare, especially about Norway House, 

 {Drummond.) Wet woods, Bass Eiver, N.B. (Fowler's Cat.) Peat 

 bogs, Jupiter Eiver and Salt Lake, Anticosti ; peat bog, Louisburg, 

 Cape Breton ; cedar swamps, Hastings and Northumberland Co's., 

 Ont. ; Porcupine Mountains, Man. ; mountain bogs, Lesser Slave 

 Lake; bogs at Stephen, summit of Eocky Mountains ; also in Eoger's 

 Pass, Selkirk Mountains. (Macoun.) Kotzebue Sound. (Roth. Alask.) 

 Grodhavn, Greenland. (Fl.G-r.) Miquelon Island. {JDelamare.) Peat 

 bog near London, Ont. (J. Deamess.) 



(116.) D. Drummondi, C. Muell. ; Lesq. & James, Mosses of N 

 America, 76 ; Canadian Musci, No. 47. 



D. Starkii, var. major, Drumm. Muse. Bor.-Am. No. 84. 

 D. undviatum, Turn., var., Drumm. Muse. Bor.-Am. No. 86. 



Upper Canada in shady woods ; very common. (Drummond.) Damp 

 woods, Brackley Point, P.E.I. ; peat bogs, Sudbury Junction, Hastings 

 Co., and Lake Nepigon, Ont. (Macoun.) Woods near London, Ont. 



(J. Deamess.) 

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