CATALOGUE OF CANADIAN PLANTS. 1 85 



959. A. obtusifolia, Berggren. 

 On rocks, Greenland. {Berggren.) 



5. PHASCUM, Linn. 



38. p. cuspidatum, Schreb. 



On earth on the wood roads around the base of Queenston 

 Heights, Ont. ; in fine fruit, May 8th, 1901. Found only on hard 

 baked earth. {Macoun.) 



8. GYMNOSTOMUM, Hedw. 



43. G. calcarea, Nees & Hornsch. 



On rocks, Credit Forks, Ont. {James White. Thos. Walker.) 

 On earth in a ravine at Grand Narrows, Cape Breton Island, N.S., 

 1898. {Macoun.) 



44. G. rupestris, Schleich. 



On ledges and boulders at the old mill, Rockliffe, Ottawa, 

 Ont., 1896. {Macoun.) 



45. G. curvirostris, Ehrh. 



On dripping rocks. Credit Forks, Ont. {Jos. White Thos. 

 Walker.) On wet ledges of rocks, Rockcliffe. Ottawa, and 

 at King's Mountain, Chelsea, Que., 1897 ; on rocks at Saddle 

 Mountain, Banff, Alta.; in the Crow's Nest Pass, and on Moose 

 Mountain, Alta., Rocky Mountains, 1897. {Macoun.) Yukon 

 River cliffs, just below Dawson, Yukon, 1899. {Williams.) 



Var. commutatum, Card. & Ther. (Bot. Gaz. Vol. p.) 



This variety has long narrow leaves and the cells of the areola- 

 tion are everywhere long and smooth. In the type, the upper 

 areolation is composed of irregular cells, rectangular, quadrate and 

 triangular, with scattered papillae. 



Newfoundland. {{Waghorne.) 



4V. G. tenue, Schrad. 



On damp limestone rocks at Credit Forks, Ont., 1893. {James 

 White.) Drummond's specimen No. 21 from Lake Winnipeg 

 belongs here, but the reference from Owen Sound in Pt. VI. 

 belongs to the next. 



