CATALOGUE OF CANADIAN PLANTS. 1 99 



979. D. SUbspadiceum, Kindb., Bryol. N. Am. & Eur. 199. 



Leaves straight, erect, subconvolute, denticulate near the apex 

 and at the excurrent part of the costa. Tufts brown with yellow- 

 ish branching tops. Capsules unknown. 



On Mount Aylmer, Devil's Lake, Banff Park, Alta., alt. 8,000 

 feet, Aug. 6th, 1891 ; on earth at Hector, Rocky Mountains, B.C., 

 July 28th, 1885. {Macoun.) 



107. D. elongatum, Schw. 



Near Fort Norman, Mackenzie River, July, 1892. {Miss E. 

 Taylor.) On the summit of Mount Albert, Gaspe Co., Que., July 

 25th, 1881. (/. A. Alle?i.) On the Barren Grounds, Lat. 61°, Long. 

 104, W., west of Hudson Bay, July, 1893. (/. B. Tyrrell.) Along 

 the Athabasca River, above Athabasca Landing, May 28th, 1888. 

 (/. M. Macoun.) On earth, Mosquito Bay, Lat. 60'' 42', Labrador, 

 Aug. 13th, 1898. {A. P. Low.) St. Paul Island, Behring Sea. {Dr. 

 Merriam.) Very common on both old stumps and rocks in damp 

 places at Dawson, Yukon, 1899. {Williams.) 



Subsp. attenutaum, Kindb., Bryol. N. Am. & Eur. p. 201. 



Leaves larger, gradually tapering to a somewhat long subula, 

 nearly entire and often somewhat brittle, the uppermost flexuous; 

 costa short-excurrent. Capsule more or less curved. Habit of 

 D. fragilifolium. Tufts low. 



Labrador. {Waghortie.) On earth along Jumping Pound Creek, 

 Rocky Mountains, Alta., June 12th, 1897. {Macotm.) 



Subsp. subfragilifolium, Kindb., Bryol. N. Am. & Eur. 

 p. 201. 



Leaves narrow, long-subulate, faintly denticulate above, flexu- 

 ous, sometimes brittle ; costa long-excurrent, narrow. Capsule 

 arcuate. 



Newfoundland. {Waghortie.') 



109. D. fragilifoliura, Lindb. 



On decayed wood along the Athabasca River above Athabasca 

 Landing, May 28th, 1888 ; on old logs, Chilliwack Valley, B.C.; 

 1901. (/. M. Macoun.) Along Bragg's Creek, Elbow River, 

 Rocky Mountains, Alta., June 22nd, 1897. {Macoun.) Very 



