196 GEOLOGICAL SURVEY OF CANADA. 



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

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

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

 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. fuscescens, 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, 

 J 893- (/ 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, subconvolute, 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. (Macoun) 



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 fo.ur 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 



