[Reprinted from The Ottawa Naturalist, Vol. XX, without change in 

 paging-. Pubhshed November 6th, 1906.] 



CONTRIBUTIONS TO CANADIAN BOTANY.* 



By James M. Macol'N, Assistant Naturalist, Geological Survey of Canada. 



XVIII. LIBR 



NEW 

 MiTELLA DivERSiFOLiA, Greene. 



Near Trail, Columbia River, B.C., May 19th, 1902. No.-, 

 64,574.1 {IV. Spreadboroi4gh.) New to Canada. 



Heuchera flabellifolia, Rydb., N. A. Fl. xxii : 115. 



H. parvifolia, Cat. Can. Plants i : 158 & 526. 



All the Canadian specimens referred to H. parvifolia in 

 our herbarium prove to be H. flabellifolia. They are from 

 Milk River Ridge, Alta. No. 10,560 ; Cypress Hills, Alta. 

 No. 8,514, and Crow Nest Pass, Rocky Mts. No. 20, 167. 

 (John Macoun.) Milk River Ridge, Alta. No. 8,515. {Dr. 

 G. M. Dawson.) 



Heuchera Columbiana, Rydb., N. A. Fl. xxii : 116. 



H. cylindrica, var, alpina, Cat. Can, Plants, i : 526 in part. 

 H. cylindrica, var. ovalifolia, Contr. Can. Hot. No. 6, p 5, 

 in part. 



Crow Nest Pass, Rocky Mts. No. 8,500. {Dr. G. M. 

 Dawson.) Waterton Lake, Reeky Mts. No. 10,561 ; Eagle 

 Pass, C. P. Ry., B.C. No. 8,503. {John Macoun.) Trail, 

 Columbia River, B.C. No. 64,571. (/. M. Macoun.) Re- 

 ferred to H. glabella by Rosendahl, but apparently a good 

 species. 



Saxifraga rufidula, (Small). 



S. occidentalism Cat. Can. PI.. 11 : 321 in part. 

 Micranthes rufidula^ Small, N. A. Fl., xxii : 140. 



Well characterized by the red-tomentose under-surfaee of 

 the leaves. Described from specimens collected by Prof. 

 John Macoun on Mount Finlayson, Vancouver Island, May 



♦Published by permission of the Director of the Geological Survey of 

 Canada. 



tSpecimens have been distributed from the herbarium of the Geological 

 Survey under these numbers. 



