Contrihutions to Canadian Botany. 467 



with E. polittis Fr., but E. politus is not only glabrous, but 

 it has none of the viscid-glandulosity which is so charac- 

 teristic of E. jucundus. 



EriCtEROX elatus, Greene, Pittonia, Vol. III., p. 164. 



E. alpinns, var. elatus, Hook. ; Macoun, Cat. Can. Plants 

 in part. 



Collected by Drumniond in the Pocky Mountains, Lat. 

 54°-56°, re-discovered by Prof. Macoun in 1890. Kicking 

 Horse Lake, Eocky Mountains. Herb. No. 18,014 ; Cave 

 Avenue, Banfi", Eocky Mountains. Herb. No. 11,018. 

 {John Macoun.) 



Erigerox alpinus, L. 



The specimens, collected by Dr. Dawson and referred 

 here by Prof. Macoun in Cat. Can. Plants, Vol. L, p. 234, 

 are E. jucundus. Our only specimens of E. alpinus were 

 collected by Prof. Macoun at Kicking Horse Lake, Eocky 

 ^Mountains, in 1885, when they were referred to E. acris. 



Erigerox peregrinus (Pursh), Greene, var. Dawsoni, 

 Greene, Pittonia, Vol. III., p. 166. 

 Differs from the type in having its leaves gradually 

 reduced from the middle of the stem upward almost 

 as much as in E. sahuginosus ; and more notably different 

 in having twice as many and much more slender involucral 

 bracts, and about 50 rather narrow rays. In damp, 

 grassy thickets. Queen Charlotte Islands, B.C. Herb. No. 

 11,205. {Dr. G. M. Dmvson.) Eeferred provisionally to 

 E. salsuginosus, var. Unalaschkcnsis, Less, by Prof. Macoun 

 in Cat. Can. Plants, Vol. I., p. 233, where some of its 

 distiniruishins characters were indicated. 



o 



Iva xaxthifolia, Nutt. 



Along Grand Trunk Eailway near Clifton, Ont. {B. 

 Cameron.) Waste ground, St. Catherines, Ont. {W. C. 

 McCalla.) Introduced from the west along railway. 



