MACouN.] CATALOGUE OF CANADIAN PLANTS. 149 



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

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



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

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

 1890. (Macom.) 



84. OLICOTRICHUM, DC. 



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

 258 ; Canadian Masci, No. 218. 



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

 roadsides at Hastings, B.C. ; also on wet clay banks, west of Glacier 

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



(5t2.) O. Lyallii, Lindb. ; Lesq. & James, Mosses of IST. 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, (Bhrh.) DC, PI. Pr. I. 492. 



ISTot uncommon in Greenland. (Fl. Gr.) St. Lawrence Island, 

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



Var. latifolium, CM. & 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. (E. Brown.) St. Paul Island, 

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



86. POCONATUM, Beauv. 



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

 America, 260. 



P. capillare, Canadian Musci, No. 377. 



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

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



