464 Canadian Record of Science. 



49° 05', Eocky Mountains ; Bow Kiver Pass and Kicking 

 Horse Lake, Eocky Mountains ; Sproat and Deer Park, 

 Columbia Eiver, B.C.; Sicamous, B.C.; Spence's Bridge, 

 B.C. (John Macoun.) Eed Deer, Alberta, (H. H. Gaetz.) 



Spiraea arbuscula, Greene, Erythsea, Vol. III., p. 63. 



S. betulifolia, Pall., var. rosea, Gray ; Macoun, Cat. Can. 

 Plants, Vol. L, p. 513. 



In woods and thickets at the summit of the Selkirk 

 Eange, B.C. (John Macoun. Jas. Fletcher.) 



Neillia opulifolia, Wats. 



Banks of West Branch of Nottaway Eiver, K E. Ter., 

 1895. (Dr. R. Bell.) 



POTENTILLA OVINA. 



P. dissecta, var. pinnatisecta, Macoun, Cat. Can. Plants, 

 Vol. I, p. 517. 



Low, tufted, the multicipitous ligneous caudex partly 

 subterranean and clothed with the persistent bases of the 

 leaves ; leaves 1| to 4 inches long of from 4 to 7 pairs of 

 pinnae, these parted into 2 or 3 linear pinnae, villous-pilose 

 at apex and sparingly so on both surfaces. Flowering 

 stems scarcely leafy, 4 to 6 inches high, the flowers on 

 slender pedicels an inch or two long; achenes few, 

 obliquely obovoid, smooth and glabrous. 



High slopes of Castle Mountain, Eocky Mountains, 

 Herb. No. 7,242 ; crevices of rocks at The Mound, Banff, 

 Eocky Mountains, Herb. No. 7,235 ; Sheep Mountain, 

 Waterton Lake, Lat. 49° 05', Eocky Mountains, Herb. Nos. 

 10,488, 10,489. ( John Macoun.) 



Though considered a variety of P. Plattensis by Dr. 

 Watson, Prof. Macoun always believed the Eocky Moun- 

 tain plant to be quite distinct from that species, and more 

 nearly related to P. dissecta. Later he came to the con- 



