266 GEOLOGICAL SURVEY OF CANADA. 



1103. P. Behringianum, Kindb., Revue Bryol. 1894. 



On boggy ground, St. Paul Island, Behring Sea, July, 1892. 

 (/. M. MacouH.) On the summit of Sulphur Mountain, Banff, 

 Rocky Mountains, July, 1891. {Macoun.) The last specimen 

 is very doubtful, 



5^3- P. juniperinum, Willd. 



Quite common in all parts of the country about stumps in 

 pastures, and meadows and woods. {Macoun.) Lake Lindeman, 

 Yukon. ( Williafns. ) 



594. P. strictum, Banks. 



Sheep Camp and Dyea Creek, Alaska, and Lake Lindeman, 

 Yukon. ( Williams.) 



595. P. commune, Linn. 



The var. ;m'««5 is common in a damp thicket at Leamington, 

 Esse.x Co., Ont. {Macoun.) Lake Lindeman and Dawson, Yukon. 

 At the latter place in fine fruit, July 30th, 1899. {Williams.) 



1104. P. inconstans, Hagen. 



Stems slender, up to 8 cm. high, rather uniformly leaved above 

 with a felt of dark red radicles below. Leaves somewhat distant, 

 irregularly spreading, up to 6 mm. long, lanceolate with costa 

 scarcely or short-excurrent and margins minutely serrulate. 

 Lamellae up to about 24, the median from 5 to 9 cells high, ter- 

 minating in I or sometimes 2 cells, transversely oblong in section 

 about twice wider than high and not or scarcely depressed. Blade 

 of leaf-bearing lamellae on either side of costa of only two layers 

 of cells thick with cell walls on back of leaf not thickened. Leaf- 

 cells in blade between base of lamellae and margin of leaf mostly 

 from "012 by •016 mm. to -016 by '020 mm. 



Collected at Lake Lindeman in swampy places, May 26th, 1898. 

 ( Williams.) 



88. DIPHYSCIUM, Mohr. 



596. D. foliosum, Mohr. 



D. se sile, Schmid.; Kindb., Bryol. N Am. & Eur. 391. 



Abundant on clay banks. Big Intervale, Margaree, Cape Breton 

 Island, N.S., July 22nd, 1898 ; on earth on rocks, Cache Lake, 

 Algonquin Park, Ont., July, 1900. {Macoun.) 



