CATALOGUE OF CANADIAN PLANTS. 3II 



Easily distinguished from the allied H. cordifolium, Hedw., by 

 the nearly simple stems, the very soft leaves, and the broader 

 and looser areolations. 



876. H. circinale, Hook. 



Common in the Chilliwack Valley, B.C. ( /. M. Macouti.) At 

 Salmon and Sheep creeks, near Juneau, Alaska. {Miss G. Cooleyi.) 

 In good fruit March 28th, 1898, Canon City, Dyea Creek ; also 

 common on fallen logs at Skagway, Alaska. {Williams.) 



877. H. Sequoieti, C. Muell. 



Chilliwack Valley, B.C., 190 1. (/. M. Macoun.) 



1187. H. subplicatile, (Lindb.) Limpr. 



On damp earth and rock, Lake Lindeman, Yukon. This plant 

 is very closely related to callichroum but differs in being rather 

 smaller with regularly pinnate branches, leaves wider just above 

 the base and abruptly narrowed to the insertion, capsule shorter. 

 ( Williams) 



880. H. imponens, Hedw. 



On logs in swamps, Edmonton, Ont., 1893. ^J^- White.) On 

 rocks in a ravine, Margaree, Cape Breton Island, N.S., July, 1898 ; 

 on logs in woods Otter Slide Creek, Algonquin Park Ont., July, 

 1900 ; .. n old logs below Queenston Heights, Ont., 190 1. {Macoun.') 



881. H. subimponens, Lesq. 



At Sheep Creek and at Gold Creek Caiion, near Juneau, Alaska. 

 {Miss G. Cooler.) 



882. H. revolutum, (Mitt.) Lindb. 



On rocks. Moose Mountain, Elbow River, Rocky Mountains, 

 Alta., July, 1897 ; on birch bark, Algonquin Park, Ont., June 8th, 

 1900. {MacoMu) Lake Lindeman and Lake Marsh, Yukon. 

 {Williams.) 



883. H. plicatile, (Mitt.) Lesq. & James. 



On rocks. Jumping Pound Creek, Braggs' Creek, Elbow River, 

 and Crow's Nest Pass, Rocky Mountains, Alta., 1897. {Maioun.) 



