MACOUN.] CATALOGUE OF CANADIAN PLANTS. 149 



the scales of the leases are not always to be found. All other species, 

 except A. leiophyllum and A. parallelum, have margined leaves. 



On the bank of the Columbia Eiver, between the railway bridge 

 and the whirlpool, west side of Eiver at Eevelstoke, B.C., May 6th, 

 1890. (Macoun.) 



84. OLICOTRICHUM, DC. 



(571.) O. aligerum, Mitt. ; Lesq. & James, Mosses of N. America, 



258 ; Canadian Musci, No. 218. 



Grand Cote, Eocky Mountains. (Drummond.) On clay banks by 

 roadsides at Hastings, B.C. ; also on wet clay banks, west of G-lacier 

 Hotel, Selkirk Mountains, B.C. (Macoun.) 



(572.) O. Lyallii, Lindb. ; Lesq. & James, Mosses of IS. America, 259. 



In swampy places on the east side of the Cascade Mountains, British 

 Columbia, at an elevation of 7,000 feet, July, 1860. (Lyall.) 



(573.) O. hercynicum, (Ehrh.) DC., Fl. Fr. I. 492. 



Not uncommon in Greenland. (FL Grr.) St. Lawrence Island, 

 Behring Sea, 1891. (J. M. Macoun.) 



Yar. latifolium, C. M. & Kindb. (n. var.) 



Differs in the shorter and entire leaves ; the capsule is distinctly 

 plicate. 



By a glacier stream descending from Hermit Mountain in Eoger's 

 Pass, Selkirk Mountains, July 31st, 1890. (Macoun.) 



85. PSILOPILUM, Brid. 



(574.) P. arcticum, Brid. ; Lesq. & James, Mosses of N. America, 

 260. 



Peat bogs ; Labrador, Greenland and Arctic America. (Lesq. & 

 James.) Jakobshavn, Greenland. (R. Brown.) St. Paul Island, 

 Behring Sea, 1891. (J. M. Macoun.} 



86. POGONATUM, Beauv. 



(575.) P. brevicaule, Beauv. ; Lesq. & James, Mosses of N. 

 America, 260. 



P. capillare, Canadian Musci, No. 377. 



Pictou Co., K.S. (McKay.) On clayey soil, Bass Eiver and Carle- 

 ton, N.B. (Fowler's Cat.) On clay by the roadside, beyond the marsh, 



