164 The Ottawa Naturalist. [December 



acute, rather turgid, not contorted, a channel-like depression 

 marking the line of the mid-vein from its base to near the 

 middle. 



This is a plant which by its annual root and large size would 

 be taken for a relation of D. neinorosa, but for its very strict 

 habit, narrow leaves and white flowers. Common everywhere in 

 the Rocky Mountains between 4,500 ft. and 6,000 altitude. Our 

 our herbarium specimens are from Banff, Rocky Mountains, 

 1891 (type locality) ; Kicking Horse Pass, R.ocky Mountains, 

 1885 ; Crow's Nest Pass, Rocky Mountains, 1897. Herb. No. 

 18,136. {Jolm Macoun.) Yellowhead Pass, Rocky Mts., 1898. 

 (W. Spread borough). 

 Lesquerella arctica (DC.) S. Wats. 



Vesicaria arctica, Rich. ; Macoun, Cat. Can. Plants, vol. I, 

 pp. 54, 490. 



Athabasca River near Lac Brule, northern Alberta, July, 

 1898. i^W. SpreadboroHgh.) Specimens collected by Mr. Spread- 

 borough do not differ in any respect from those collected by 

 Drummond in the same latitude and distributed from the British 

 Museum as Physaria didyniocarpa. 

 EuTREMA Edwardsii, R. Br. 



Northern Labrador, 1897. {A. P. Low.) Not before re- 

 corded from Labrador. 

 Diplotaxis tenuifolia, DC. 



Bank of the new Welland Canal north of St. Catherines, 

 Ont. ( IV. C. McCalla) Not recorded west of Nova Scotia. 

 Myagrum perfoli.atum, L. 



On Callow's Hill, Quebec, Que. {Mrs. Brodie.) Introduced 

 from Europe. Not before recorded from Canada. 

 Polygala verticellata, L. 



On the open prairie on the ridge near the Insane Asylum, 

 Brandon, Man., 1896. Herb. No. 12,336. {]ohn Macoun.) Re- 

 corded from but one other locality in Manitoba. 



StELLARIA iR m.nea, L. 



Near Niagara, Ont. {^R. Cameron^ Western limit in 

 Canada. 



