CATALOGUE OF CANADIAN PLANTS. 307 



of capsule in 3 or 4 rows, the cells below roundish to oblong. 

 Stomata roundish to short oblong, up to .040 mm. long 

 Minutely roughened spores up to .016 mm. 



This species is intermediate between exannulatum and pseudo- 

 stramineiim. From the first it differs in the short, broadly- 

 pointed leaves, the angular stem with fewer thickened cells in the 

 outer walls and leaf cells not pitted. The second differs in being 

 monoecious, with entire, not decurrent leaves and not angular 

 stems. 



At Dawson, Yukon, in swamp water, in fine fruit July 17th, 

 1898. (Williams) 



Subgenus III. -CRATONEURON, SuUiv. 



860. H. filicinum, Linn. 



On rocks by springs, Niagara River, May, 1901. {Macoun?) 

 In springs, head of Lake Bennett, Yukon. (Williams.) 



€61 H. chloropterum, C. M. & Kindb. 



Chilliwack Valley, B.C., 1901. {/. M. Macoun.) 



«62. H. Novse-Anglise, Sulliv. & Lesq. 



On old logs, Meech's Lake, near Chelsea, Que., Sept. 23rd, 1893. 

 (Macoun.) 



863. H. commutatum, Hedw. subsp. sulcatum, Schimp. 



Kindb., Bryol. N. Am. & Eur., 127. 



Greenland. (Berggren.) Newfoundland. (Waghorne.) 



864. H. falcatum, Brid. 



On earth about springs. Jumping Pound Creek, Alta. ; also 

 Crow's Nest Pass, Alta., Rocky Mountains, Aug.. 1897. (Macoun.) 

 About springs at the head of Lake Bennett, Yukon. Leaves 

 nearly entire or slightly serrulate below. (Wtlliams.) 



865. H. decipiens^ (De Not.) Kindb. 



In a spring. Medicine Lodge, south of Wood Mountain, Assa., 

 June 14th, 1895. (Macoun.) Chilliwack Valley, B.C., 1901. 

 ( y. M. Macoun.) 

 2oy2 



