196 GEOLOGICAL SURVEY OF CANADA. 



On earth in woods at Belleville, Hastings Co., Ont., Aug., 1867, 

 referred to D. scoparium, var. orthophylliim at the time ; also on 

 roots of trees, Pirates' Cove, Strait of Canso, N.S., July 7th, 

 1883 ; not uncommon on earth on the old land. Sable Island, 

 N.S., July and August, 1899. {Macoun.) 



101. D. congestum, Brid. 



Apparently quite common on Cape Breton Island, N.S., col- 

 lected on old logs at Baddeck, Margaree, Half-way Brook and 

 Louisburg, but always barren, 1898 ; on rocks, Cache Lake, 

 Algonquin Park, Ont., June, 1900. {Macoun.') On swampy ground 

 at Dawson, Yukon, 1899. {Williams.) 



102. D. fusceacens, Turn." 



On earth. Clear water Lake, Labrador. {A. P. Low.) In Lat. 61° 

 Long. 104, W. on barren grounds west of Hudson Bay, July 24th, 

 1893. (/. B. Tyrrell.) On rotten logs at Edmonton, Ont., Sept. 

 22nd, 1892. {Jas. White.) On old logs, Algonquin Park, Ont., 

 June, 1900 ; on rocks and logs in woods at Victoria, Vancouver 

 Island, May 1893. {Macoun.) Sitka, Alaska. {Miss G. Cooley.) 

 On rock along Dyea Creek, Alaska ; and on earth, Lake Linde- 

 man, Yukon. Williams^ 



Subsp. subbrevifolium, Kindb., Bryol. N.Am. & Eur. p. 198. 



Leaves larger subcon volute, nearly entire; costa not excurrent. 

 Capsule sulcate. Stem rather tall. Habit of D. brevifolium, 

 Lindb. 



On rocks at Hector, and at the head of Lake Louise, Rocky 

 Mountain---, Aug. i8th, 1891. Referred to D. brevifolium in Part 

 VI., p. 260. {Macou7i.) 



975. Dicranum Demetrii, Ren, & Card., Botanical Gazette, 

 Vol. XXII., p. 48. 



In very compact, yellowish-green tufts, brownish and a little 

 tomentose below. Stems erect, simple or sparingly branching, 

 three to four inches long. Leaves crowded, erecto-patent when 

 moist, crispate when dry, from an oblong-obovate base rather 

 suddenly constricted and linear-subulate, canaliculate, smooth, 

 quite entire or subsinuate at apex, 3-6 mm. long, 0.30-060 mm. 

 broad at base ; costa narrow, percurrent or subexcurrent ; cells 



