306 GEOLOGICAL SURVEY OF CANADA. 



Var. plumulosum, SCHIMP. 



Among boulders in rather dry places, Lake Lindeman, Yukon. 

 (Williams?) 



Var. subsymmetica, (CARD.) KINDB. 

 In the Chilliwack Valley, B.C., 1901. (/. M.Macoun.) 



857. H, Moseri, KINDB. 



Fort Chimo, Ungava Bay, Labrador, Sept., 1896. (A. P. Low.) 

 On rocks, Big Intervale, Margaree, Cape Breton Island, N.S., 

 July, 1898. (Macoun.) 



11*78. H. orthoth.ecioid.es, LINDB. ; KINDB., Bryol. N. Am. & 

 Eur. 133. 



Greenland. (Dr. Rosenwingc.} 



858. H. longinerve, KINDB. 



In a pool i \ woods, Victoria Park, Ottawa Ont., June I9th. 

 1900. (Macoun.) 



859. H. conflatum, C. M. & KINDB. 



Middleton Island, Alaska, Lat. 59 30', 1892 ; St. Paul Island, 

 Behring Sea, July, 1892. (/. M. Macoun.} 



11*79. H. amblyphyllum, R. S. WILLIAMS, Bull, of New York 

 Bot. Gar., Vol. II., p. 139. 



Alar cells often inflated nearly to costa and some small, nearly 

 quadratic cells at margin just above the alar cells. Medium leaf- 

 cells '005 or '006 mm. wide and mostly .035 to .060 mm. long. 

 Younger branch leaves narrowly lanceolate with very short costa. 

 Perichetial leaves not plicate, closely sheathing, but little larger 

 or more pointed than stem leaves, entire, with faint costa extend- 

 ing up | or more. Seta up to 6 cm. long. Capsule 2.5 by I mm., 

 with short upright collum, bu v much curved and nodding above. 

 Lid acutely conical, its height less than basal diameter. No an- 

 nulus. Peristome teeth broadly hyaline bordered above, outer 

 plates finely punctate below. Basal membrane of endostome 

 scarcely y 2 the teeth in height with solid segments and 2 or 3 

 nodose cilia between. Transversely elongated cells about mouth 



