1898] Macoun — Cryptogamic Flora of Ottawa. 27 



entire, long-decurrent, concave, recurved at the borders from the base 

 to the middle, at least at the one side ; cells chlorophyllose, somewhat 

 dilated, the lowest very much wider and shorter, nearly uniform ; costa 

 generally short and double, rarely simple and reaching to the middle ; 

 the other leaves gradually smaller, narrower and more acute or 

 acuminate. Barren. 



On rocks in Gilmour's Park, Chelsea, Que., Si pt. 6ih, 1889, 



LVIII. AMBLYSTEGIUM, Schimp. 



175. A. Sprucei, Bruch. and Schimp. 



On old cedar stumps in Dow's Swamp, Oct. 16th, 1884. 



1 76. A. subtile, Eruch. and Schimp. 



On the bases of large trunks in McKay's Woods, Oct. loth, 1S89 ; 

 on the borders of Dow's Swamp, Oct. i6th, 1384 ; in Beechwood 

 Cemetery, April 28th, 1896; also at Hog's Back, May, 1897. 



177. A. confervoides, Bruch. and Schimp. 



On flat luaesioBe rocks in vroods north of the Experimental Farm ; 

 along the Ottawa, wes: of Hull ; and in McKay's Woods near the 

 Lake, Sept. 9th, 1889 ; also on the cliffs and flat rocks, Rockcliffe Park, 

 April i6th, 1896. 



178. A. Yuratzskae, Schimp. 



On dead wood, stones and bases of trees, McKay's Woods, Oct. 

 i2th, 1889 ; on earth at Dow's Swamp, Oct. i6th, 1884 ; on stones in 

 Beechwood Cemetery, May 21st 1885. 



179. A. serpens, Bruch. and Schimp. 



On earth in woods and at the roots of trees ; common ; on roots of 

 trees, Rockcliffe Park, May 7th, 1896; at the base of trees, Hog's Back, 

 May, 1897. 



180. A. porphyhizum, (Lindb.) Schimp. 



On stones in McKay's Woods, Aug. 26th, 1889 ; also in woods at' 

 Carleton Place, Sept. 25th, 1889. 



18 r. A. varium, (Hedw.) Lindb. 



On stones in damp parts of McKay's Weeds and Beechwood 

 Cemetery, Oct. 12th, 1889; on stones at I^eamy's Lake, Hull, Que., 

 1896. 



182, A. fluviatile, Bruch. and Schimp. 



On stones in the brook that discharges Kin£;smere, four miles west 

 of Chelsea, Que., Sept. 9th, 1889 ; on rocks In a brook at Meeche's 

 Lake, north of Chelsea, Que., Sept. 23rd, 1893. 



