CATALOGUE OF CANADIAN PLANTS. 221 



266. G. microtricha, C. M. & KINDB. 



On dry rocks at Revelstoke, B.C., May 7th, 1890. (Macoun.) 



270. G. ovata, WEB. & MOHR. 



On rocks, Clearwater Lake, Labrador, July 2ist, 1896. (A. P. 

 Low.) On rocks, Jumping Pound Creek, and on Moose Moun- 

 tain, Rocky Mountains, Alta, June, 1897. (Macoun.) Lake Lin- 

 deman and Dawson, and at various intermediate points on the 

 Yukon. (Williams.) 



272. G. calyptrata, HOOK. 



Coscinodoncalyptratus, Hook.; Kindb., Bryol. N. Am. & Eur. 

 241. 



IOCS. G. arctophyla, KINDB., Revue Bryol. 1896. 



Leaves ovate-oblong, involute above, suberect when moist, 

 appressed when dry, the uppermost not larger; basal cells gener- 

 ally short, the upper short and opaque; hair-point not long. 

 Capsule suboblong brownish; lid apiculate; annulus indistinct; 

 pedicel straight. Tufts cohering, generally blackish when dry. 

 About 3 cm. high. 



On rocks, Greenland. (Berggren.) On rocks, Paugan Falls, 

 Gatineau River, Que., Aug. 24th, 1894. (Macoun.} 



Subsp. labradorica, KINDB., Bryol. N. Am. & Eur. 221. 



Tufts about i cm. high, brown-green. Inner (lower) basal leaf- 

 cells long. Lid of capsule obliquely rostellate. 



On rocks, Clearwater Lake, Labrador, July 2ist, 1896. (A. P. 

 Low.) 



273. G. commutata, HUEBEN. 



On rocks along the Gatineau River, Que., June 22nd, 1900. 

 (Macoun.) 



1009. G. teretinervis, LIMPRICHT. 



On boulders usually covered with water in the Petewawa River, 

 Algonquin Park, Ont, July 24th, 1900. (Macoun.) 



1010. G. tenuicaulis, R. S. WILLIAMS, Bull. Torr. Bot. Club, 

 XXVII; 316-317, 1900. 



On rather dry rock walls at Dawson, Yukon, 1899. (Williams.) 



