OF THE FORTY-NINTH PARALLEL OF LATITUDE. 43 
seminervüs, theca in pedunculo elongato rubro cylindracea arcuata 
horizontali, 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. 
(Campylium, Schimp.) 
S. CHRYSOPHYLLUS, Brid. 
Hab. Saskatchewan, Bourgeau. 
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. Kneırıı, B. et S. 
Hab. Rocky Mountains, Lyall; Saskatchewan, Bourgeau. 
S. uncınartus, 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-Clause in running water, Fort Colville, Lyall. 
S. COMMUTATUS, Hedw. ; 
Hab. Rocky Mountains, Bourgeau. 
