18 MR. W. MITTEN—BRYOLOGIA OF THE SURVEY 
D. FUSCESCENS, Turner. 
Hab. Cascade Mountains and Galton Mountains, Lyall; Winnipeg, 
Bourgeau. z 
- D. PALLIDUM, B. et S. 
Hab. British Columbia, Lyall. Gathered also in N.W. America by 
Douglas and Seemann. It appears to be generally distributed in 
‘N. America. 
: D.scoPAnRIUM (Linn.). 
-.Hab. British Columbia, Lyall; N.W. America, Seemann; Columbia, 
Douglas. It occurs as far north as Baffin’s Bay, but according to 
Sullivant is less common than the preceding in the United States. 
D. PALUSTRE, La Pyl. 
' Hab. Pend Oreille River and Semihamoo Bay, Lyall; Vancouver Island, 
Wood; Lake Winnipeg, Bourgeau. Generally distributed. 
D. unpuLarum, Turner. D. polysetum, Sw. . 
Hab. Saskatchewan, Bourgeau. 
D. Drummonpil, C. Müller. 
Hab. Saskatchewan and Portage de la Prairie, Lake Winnipeg, Bour- 
geau. 
D. SCHRADERI, Schw. 
. Hab. Saskatchewan, Bourgeau. 
D. LONGIFoLIUM, Hedw. 
Hab. Portage de la Préle, Lake Winnipeg, Bourgeau. 
_D. enerve, Thed. (D. albicans, B. et S.), was gathered by Bow 
in aN. W. America. 
HOoLOMITRIUM, -Brid. 
H. CIRRHATUM, (Weissia) Hedw. 
- Hab. Vancouver Island and British Columbia, Lyall. Collected 
Douglas in N.W. America. 
..H. cRıspuLum, (Weissia) Hedw. 
- Hab. Galton Mountains and near Fort Colville, Lyall. 
Dipymovon, Hedw. 
(Amphoridium, Schimp.) 
D. Larponicus, (Gymnostomum) Hedw. 
Hab. Cascade Mountains, Lyall. 
D. czsrıtosus, sp.nov. D. Mougeotii habitu staturaque simillimus, 
." foliis e basi erecta patentibus apice incurvo erectis sensim acutis re- 
mote serrulatis, cellulis basi oblongis rectangulatis, deinde in ovoideas 
et superne in rotundatas transeuntibus. 
Hab. Vancouver Island, Lyall. 
