132 The Ottawa Naturaijst. [October 



litter now so extensively used iu the large cities of EurojDe and America. 

 Abundant in Dow's Swamp, on the Glebe property and in the Mer Bleue. 



11. S. papillosum, Lindb. 



Abundant in the open parts of the Mer Bleue. 



12. S. medium, Limpr. Var. purpurascens, Russ. 



This species has been taken for a red or purplish variety of No. 

 lo, but it is considered quite distinct. Abundant in the Mer Bleue. 



II. EPHEMERUM. Hampe. 



13. E. minutissimum, Lindb. 



Abundant on the indundated ground on both sides of the dis- 

 charge from Leamy's Lake, near Hull, Que. Sept. j6th, 1889. Fruiting. 



III. ARCHIDIUM, Brid. 



14. A. ohioense, SuUiv. 



On inundated soil along the outlet of Leamy's Lake, Hull, Que. 

 Fruiting in September. 



IV. GYMNOSTOMUM, Hedw. 



15. G. curvirostum, Hedw. 



Under wet ledges along the Ottawa at Rockhffe, near the old mill, 

 Nov. 9th, 1896 ; also on wet rocks, Kingsmere, near Chelsea, Que. 

 Fruiting in summer. 



16. G. rupestre, Schw. 



On wet limestone ledges at the east side of Rockcliffe, near the 

 old mill. May 7th, 1896. 



V. WEISSIA, Hedw. 



17. W. viridula, Biid. 



On earth in woods east of Leamy's Lake, Que. ; collected on earth 

 along the cliff, Rockcliffe Park, April 22nd, 1896. Fruiting in 

 September. 



VI. CYNODONTIUM, Schimp. 



18. C. Wahlenbergii (Brid.) 



On dead and decaying logs in woods near Leamy's Lake, Hull, 

 Que. ; at Meeche's Lake, north of Chelsea, Que., Sept. 23rd, 1893. 



VII. DICRANELLA, Schimp. 



19. D. varia, Schimp. 



On springy or wet clay banks. Fruiting in September. Sides of 



