MACOUN.] CATALOGUE OF CANADIAN PLANTS. 61 



VIII. GEIMMIE^. 

 42. CINCLIDOTUS, Beauv. 



(231.) C. fontinaloides, Beauv. ; Lesq. & James, Mosses of N 

 America, 134. 



On rocks in the bed of a creek, Ontario, Canada. (Lesq. & James.} 

 43. SCOULERIA, Hook. 



(232.) S* aquatica, Hook.; Drumm. Muse. Bor.-Am., No. 63. 



Grimmia Scouleria, Lesq. & James, Mosses of North America, 137. 

 Scouleria aquatica, var. virescens, Kindb., Bull. Torr. Bot. Club XVI., 93 

 Canadian Musci, No. 105. 



Upon stones in the Columbia and Portage rivers. (Drummond.} 

 On stones in mountain brooks and in the Fraser Eiver at Yale, B.C. ; 

 fruiting abundantly ; also on rocks in a mountain brook, Lake Mara, 

 near Sicamous, B.C. (Macoun.') 



(233.) S. Nevii, C. Muell., Bull. Torr. Bot. Club XVII., 273. 



S. aquatica, var. nigrescens, Kindb., Bull. Torr. Bot Club, XVI. 94 ; Cana- 

 dian Musci, No. 388. 



Leaves when dry more or less patent, dark green, broader near the 

 middle, very short-acuminate, suboblong-elliptic, obtusely dentate also 

 below the middle, entire in the broad rounded apex, margined by 

 obscure cells ; upper cells dusky, the lower subpellucid, the median of 

 the base linear and not porose. Scouleria aquatica has the leaves when 

 dry appressed and blackish (only the uppermost green), broader at the 

 base, narrow below the middle and acuminate, ovate-lanceolate, 

 sharply serrate from the middle to the contracted apex, very distinctly 

 margined by obscure cells ; the most of the cells dusky and thick- 

 walled except the few median linear not porose ones of the base ; 

 inner perichetial leaves shorter, less dusky ; perigonial leaves short, 

 suboval and very obtuse. 



On rocks in Glacier Creek, Boger's Pass, Selkirk Mountains, 

 B.C. ; in a mountain brook, Lake Mara, near Sicamous, B.C. ; on rocks 

 in the Nanaimo Eiver, below the railway bridge, near Nanaimo, Van- 

 couver Island. (Macoun.) 



