A Or 



A? 



CATALOGUE OF CANADIAN PLANTS. 207 



34. POTTIA, Ehrh. 



154. p. truncatula, LINN. 

 Pottia truncata, Fuern. Cat. Can. Musci. 42. 



On ground in open places at Edmonton, Ont., Nov. th,j892, 

 (Jas. White.) 



157. P. Heimii, FUERN. 



On earth, Farewell Creek, Cypress Hills, Assa ., June 27th, 1895. 

 (Macoun.) 



158. P. latifolia, var. pilifera, (BRID.) MUELL. 



On bare earth of the river bluff just below Dawson, Yukon, 

 1899. (Williams.) 



35. DIDYMODON, Hedw. 



160. D. rubellus, (HOFFM.) BRUCH & SCHIMP. 



On earth and rocks, Half Way Brook, Cape Breton Island 

 N.S., Aug., 1898 ; on rocks, Moose Mountain, Rocky Mountains 

 Alta., June, 1897 ; in a ravine at Woodstock, N.B., July, 1899. 

 (Macoun.) Canon City, Dyea Creek, Alaska ; also common at 

 Dawson, Yukon, 1899. (Williams.) 



161. D. Canadensis, KINDB. 

 Newfoundland. (Waghorne.) 



989. D. SUbruber, KINDB. Revue Bryol. 1896. 



Leaves as in D. rubellus, but often dentate. Perichetial leaves 

 long-subulate, not recurved. Capsule curved ; lid rostrate. Dioe- 

 cious. 



On rocks at Morley, Banff and " Dry Canon," Devil's Lake, 

 Rocky Mountains, Alta., Aug. nth, 1891. (Macoun.) 



162. D. luridus, HORNSCH. 



On damp limestone rocks, Credit Forks, Ont., Sept., 1892. 

 (Jas. White.) 



990. D. trachyneuron, KINDB. BRYOL. N. Am. & Eur. 275. 



Leaves short-attenuate, subacute, brittle ; costa pale, papillose 

 at the back, sometimes excurrent. Tufts low, green. Capsules 

 unknown. 



