OF THE FORTY-NINTH PARALLEL OF LATITUDE. 43 



seminerviis, theca in pedunculo elongato rubro cylindracea arcuata 

 horizontal^ peristomio normali. 

 Hab. N. America, Richardson. Supposed by Drummond to be from 



the Great Bear Lake. Coast of Greenland, Baffin's Bay, Inglefield. 

 The general appearance and yellowish-brown colour of this 

 species is closely similar to that of H. cuspidatum, and it is inter- 

 mediate between it and H. cordifolium. 



S. giganteus, Schimp. 



Hab. Fort Colville, Lyall. 



This is the species distributed as H. cordifolium by Drummond, 

 no. 209, but all the American examples are more slender than 

 European specimens. 



(Campyliv/m, Schimp.) 



S. CHRYSOPHYLLUS, Brid. 



Hab. Saskatchewan, Bourgeon. 



S. hispidulus, Brid. 

 Hab. Mooyie River, Lyall. 



{Amblystegium, Schimp.) 

 S. compactus, Bruch et Schimp. 

 Hab. Near Fort Colville, Lyall. 



S. radicalis, Beauv. ! 



Hab. Saskatchewan, by the river near Fort Ellice, Bourgeau; Pack- 

 River, Galton Mountains, and Cascade Mountains, Lyall. 



This much misunderstood species differs from S. serpens, Linn., 

 in its narrower and longer leaf-cells ; it occurs in Europe, but is 

 confused with the following species. 



S. varius, (Leskea) Hedw. 



Hab. Saskatchewan, Bourgeau ; Pend Oreille River, Lyall. 



S. riparius, Linn. 



Hab. Saskatchewan and Rocky Mountains, Bourgeau. 



S. Kneifii, JB. et S. 



Hab. Rocky Mountains, Lyall; Saskatchewan, Bourgeau. 



S. uncinatus, Hedw. 



Hab. Cascade, Galton, and Rocky Mountains, Lyall. 



S. vernicosus, Lindbg. 

 Hab. Pack River, Lyall. 



S. filicinus, Linn. 



Hab. Saskatchewan, Bourgeau; Mooyie River, Lyall. The variety 

 Vallis-Clausce in running water, Fort Colville, Lyall. 



S. commutatus, Hedw. 



Hab. Rocky Mountains, Bourgeau. 



