MACOU 



N.] CATALOGUE OP CANADIAN PLANTS. 87 



Yar. 



0. Venturi, Canadian Musci, No. 455. 



On cedar {Thuya occidentalis) rails, Simon Terrill's farm, Brighton, 

 IS'orthumberland Co., Ont., October 4th, 1888. {Macoun.) 



(327.) O. BIyttii, Schimp. ; Greenland Flora, 351. 



Greenland. {Fl. Gr.) 

 (328.) O. nudum, Dicks, var. Rudolphianum, Schimp. 

 0. cupiUatum, Drumm. Muse. Bor.-Am., No. 152. 



Eocks near the Whirlpool, below Niagara Falls. (Drummond.) On 

 rocks. Deer Park, Lower Arrow Lake, Columbia Eiver ; also along 

 Kootanie Lake, B.C. (Macoun.) 



(329.) O. laevigatum, Zett. ; Lesq. & James, Mosses of N. 

 America, 165; Canadian Musci, No. 454. 



On rocks at Kicking Horse Lake, and on great boulders, three miles 

 below, Eocky Mountains ; common in tufts on boulders at Lytton, 

 B. C. ; also on rocks at Eevelstoke, B. C. ; Deer Park, Lower Arrow 

 Lake, B. C. (Macoun.) 



(330.) O. cupulatum, Hoifm.; Lesq. & James, Mosses of N. 

 America, 165 ; Canadian Musci, No. 583. 



On rocks. Mount Erskine, Vesuvius Bay, Salt Spring Island, Gulf of 

 Georgia, B. C. ; on rocks on mountain slopes at Spence's Bridge, B. C. 

 (Macoun.) Baffin's Bay. (Boss, Voy.) 



Var. minus, SuUiv. ; Lesq. & James, Mosses of N. America, 165. 



On trees, near the water, Presqu'ile Point, Lake Ontario, Aug. 16th, 

 1868. (Macoun) 



(331.) O. Sturmii, Hoppe & Homsch. ; Lesq. & James, Mosses of 

 N. America, 166. 



On rocks at Hector, EoQky Mountains ; on rocks at Deer Park, Lower 

 Arrow Lake, Columbia Eiver, B.C. (Macoun.) 



(332.) O. Texanum, Sulliv.; Lesq. & James, Mosses of N.America, 

 166; Canadian Musci, No. 119. 



The stomata are superficial ; the lower leaf-cells dark orange. 



On rocks in the Coast Eange a few miles above Yale ; on rocks, 



