CATALOGUE OF CANADIAN PLANTS. 277 



€58. P. intricata, Bruch & Schimp. 



Common on trees at Baddeck and Margaree,Cape Breton Island, 

 N.S., 1898 ; on old fence rails at Brighton, Ont., 1893 ; at Golden 

 Lake, Ont., 1900. {Macoun.) Dr. A. J. Grout, in the Bulletin of 

 Torrey Bota ical Club, Vol. XXIII., pages 223-233, publishes a 

 preliminary Revision of the North American Isotheciaceae. We 

 sent him all our mounted specimens for examination, and the 

 changes made by him on the returned specimens are given below. 



Under Pylaisia polyantha he places P. Ontariensis, as a synonym, 

 while the specimens entered now on another page are placed 

 under P. intricata. 



P. t seudo-platygyrium. and P. fiiari-acuminata, are reduced to one 

 and take the name of Pylaisiella polyantha pseudo-platygy ia. 

 (Kindb.) P. Selwynii, Kindb. becomes a synonym oiP. intricata. 



P. revolutifolia Kindb. is referred to Entodon repens, (Platygyrium 

 refens. Bruch and Schimp.) 



More work is necessary on this genus before our specimens 

 will be satisfactorily arranged. 



no. HOMALOTHECIUM, Bruch & Schimp. 



662. H. sericeoides. C. M. & Kindb. 



On rocks. Moose Mountain, Elbow River, Alta., July 1st, 1897. 

 {Macoun.) 



663. H. sericeum, Linn. 



On earth by the sea near the Indian Village, Comox, Vancou- 

 ver Island, June 20th, 1893. {Macoun.) 



111. ENTODON, C. Muell. 



667. E. Macounii, C. M. & Kindb. 



On an elm log in swampy woods, Rideau Pirk, Ottawa, Ont., 

 April 28th, igoo ; on earth near the Hogsback, Rideau River, 

 near Ottawa, May 2nd, 1897. {Macoun) 



669. E. seductrix, (Hedw.) C. Muell. 



On earth in woods, Niagara-on-the-Lake, Ont., June 26th, 1892 ; 

 on old logs, Camlachie, Lambton Co., Ont., June 1901. {Macoun) 



