MACOUN.] CATALOGUE OF CANADIAN PLANTS. 135 



(520.) B. Ontariense, Kindb., Bull. Ton-. Bot. Club, XYI., 96 ; 

 Canadian Musci, No. 184. 



Intel-mediate between 5. roseum and B. Beyrichii (Hsch.) C. Mueller. 

 Comal leaves verj numerous, Ungulate, abruptly and short acuminate, 

 revolute to f or J, yellow-margined above with great confluent teeth ; 

 costa stout, excurrent. Capsule pale, with a distinct, curved collum 

 half as long, teeth papillose and hyaline above ; archegonia numerous ; 

 lid convex short-apiculate, not oblique. 



Hitherto confounded with Bryum roseum and quite common through- 

 out Ontario ; generally in a barren state. On old logs and sometimes 

 on limestone rocks in maple woods, at Ottawa, Belleville and Owen 

 Sound, Ont. (Macoun.') Pine woods, Eiver Eouge, Argenteuil Co., Que. 

 {B' Urban.') Common at London, Ont. (J. Beamess.) Tay and 

 Canaan Forks, N.B. (J. Moser.) Also found in Ohio, United States. 

 (,Prof. Wetherby flde Kindberg.) 



(521.) B. simplex, Kindb. (n. sp.) 



Allied to Bryum roseum ; differs in the shoots being short, about 2 

 cm., clavate, the comal leaves smaller, suboval, not cuneale at the 

 hase, fainter denticulate, not patent when moist, the cells shorter, 

 nearly uniform, the squamiform leaves indistinct. Barren. 



This species is also distinct from Bryum Ontariense, Kindb., and 

 Bryum lucidum, Britt. We have not seen American specimens of the 

 true B. roseum. 



In small quantity, in crevices of rocks on the Gold Eange, north of 

 Griffin Lake, B.C. ; alt. 6,Y00 feet. August 9th, 1889. {Macmm.) 



(522.) B. concinnatum, Spruce; Lesq. & James, Mosses of N. 

 America, 240. 



Greenland. {Fl. Gr.) 

 (523.) B. acutiusculum, C. Muell. in Flora, K 14 (1881). 



Alaska. (Krause.) 

 (524.) B. bullatum, C. Muell. in Flora N. 14 (188Y). 



Alaska. (Krause.) 



(525.) B. stenotrichum, C. Muell. 

 Alaska. (Krause.) 



