I goo] Contributions to Canadian Botany. 137 



AvENA STRIATA, Michx. forma ALBICANS, Fernald, Rhodora, vii: 244. 



A. striata. Cat, Can. PI. 11 : 213 in part. 



Distinguished from the species only by its pale, straw- 

 colored glumes. Collected on Mount Albert, Gasp6, by John 

 Macoun in 1882, No. 30,085. Described from specimens 

 found at the same place and at Bic, Que., by Messrs. Fernald 

 and Collins in 1904 and 1905. 



Bromus Japonicus, Thunb. 



B. patulus, Mert. & Koch. 



Collected at Toronto, Ont., by Mr. W. Scott and called 

 B. squarrosus to which it is very similar. Mr. Scott's speci- 

 mens differ from typical B. Japonicus in their short-rayed 

 panicles. Introduced. New to Canada. 



SCIRPUS VALIDUS, Vahl. 



S. lacustris, Cat. Can. PI., 11 : 99 in part. 



Sable Island, N.S., 22,633. {Macoun.) Campbellton, 

 N.B., 32,359. {R. Chalmers.) Ottawa, Ont., 7,541; Chelsea, 

 Que., 61,187 ; Niagara Falls, Ont., 34,583 ; Algonquin Park, 

 Ont., 21,906; Lake Nipigon, Ont., 32,357. {Macoun.) Ed. 

 monton, Ont., 25,344. (Jas. White.) Grassy Narrows, Lake 

 Winnipeg, 32,356, {/. M. Macoun.) Brandon, Man., 16,407 ; 

 Sage Creek, Sask., 16,410 ; Cardston, Alta., 68,933 5 Cypress 

 Hills, Alta., 16,409. (Macoun.) An abundant and widely dis- 

 tributed species not represented in our herbarium from west of 

 Alberta. 



SciRPUs occiDENTALis, (Watson) Chase, Rhodora, vi : 68. 

 S. lacustris, Cat. Can. PI. 11 : 99 in part. 

 S. lacustris, var. occidentalis, Wat.; Cat. Can. PI. 11 : 100. 



Brackley Point, P.E I., 32,360 ; Annapolis, N.S., 32,358; 

 Grand Narrows, Cape Breton Island, N.S., 20,772 ; Sarnia, 

 Ont., 34,582. {Macoun.) Toronto, Ont. {W. Scott.) Skull 

 Creek, Crane Lake, Sask., 7,540; Prince Albert, Sask., 

 - 16,408 ; South Saskatchewan River, 32,361 ; Kananaskis, 

 Rocky Mountains, 32,362. {Macoun.) Canoe River, head of 

 Columbia River, Rocky Mts., 20,773. {W. Spreadborough.) 

 Widelv distributed in British Columbia but seldom collected. 



