SO MR. W. MITTEN — BRYOLOGIA OT THE SURVEY 



on the same stem ; the habit is thus the same as in P. dendroides, 

 with the stems and branches abbreviated and the setae lengthened. 



Polytrichia, Dill. 

 P. piliferum, Schreb. 

 Hab. Vancouver Island, Lyall. 



P. juniperinum, Hedw. 



Hab. Saskatchewan, Bourgeau. Vancouver Island and near Fort Col- 

 ville, British Columbia, Lyall. The variety alpestre on Cascade 

 Mountains, British Columbia, Lyall. 



Sphagnum, Bill. 

 S. acutifolium, Ehrh. 

 Hab. Saskatchewan and Lake Winnipeg, Bourgeau. 



HEPATIC^. 



A small number of species belonging to this order, without any 

 new form, are present in the collections from the Survey; and 

 the species which in Europe are found on the ground are almost 

 entirely unrepresented in the collections yet seen from British 

 North America. 



Jungermannia, Linn. (Syn. Hepat.). 



J. BARBATA, Schreb. 



Hab. The var. lycopodiodes, Nees, Galton Mountains, and on stones 

 in the Columbia River, Lyall. The var. quinquedentata, Nees, 

 Galton Mountains, Lyall. The var. Floerkii, Nees, Kettle Falls, 

 Columbia River, Lyall. 



J. VENTRICOSA, Dicks. 



Hab. Vancouver Island and Fort Colville, Lyall. 



J. incisa, Schrad. J. supina, Taylor. 

 Hab. Fort Colville, Lyall. 



J. Michauxii, Weber. J. oblongata et J. anacampta, Taylor. 

 Hab. Near Fort Colville and Columbia River, Lyall. 



J. exsecta, Schmid. J. scitula, Taylor. 

 Hab. Fort Colville, Lyall. 



J. CORDIFOLIA, Hook. 



Hab. Fort Colville and Galton Mountains, Lyall. 



J. riparia, Taylor. 



Hab. On stones in the Colville River, Fort Colville, Lyall. 



J. Schraderi, Mart. 



Hab. About Fort Colville and the Colville River, Lyall. 



