Vol. 4. MAY, 1888. No. 37 



THE WILLOWS OF BRITISH COLUMBIA AND 



ALASKA. 



The Salicacae or Willows are very abundant in the north-west 

 of this continent, and are to be met with as well on the main- 

 land, as on the islands, in the swampy localities and on very great 

 elevations of the Rocky Mountains and their branches. 



The willow which grows in very high localities, in fact the 

 highest growing willow on this continent, is Salix arctica, var. 

 petraca, Anders. It is found in the high parts of the Rocky and 

 Selkirk Mountains at an elevation ol 8,000 feet. In the swamps 

 and valleys of the same mountains between Lat. 49° — 56° is 

 found Salix Barrattiana, Hook. 



Salix Balsamifera, Barratt. , sometimes called Balsam-willow, 

 is found in thickets on the Nechacco River, British Columbia. 



The Hoary Willow (Salix Candida, Willd. ), abundant in the 

 northern part of British Columbia, and in the Cypress Hills and 

 near Pincher Cieek, N. W. Territory, 



The Heart-leaved Willow (Salix cordata, Muhl.), is very com- 

 mon in the Rocky Mountains to the Fraser River, also in thick- 

 ets near Victoria, Vancouver Island. 



The Prairie Willow (Salix desertorum, Rich.), found through 

 the Rocky Mountains to the Columbia Valley, and at Clinton, 

 B. C 



Salix drummondiana, Barratt., clings to the summit of the 

 Selkirk Mountains and also to the valleys of the Rocky Moun- 

 tains between Lat. 52°— 56°. 



Salix flavescens, Nutt., on the banks of the Columbia, at 

 Donald. 



Salix flavescens, var., Scouleriana, Bebb, common on the 

 coast of the province, and in the Fraser, Columbia, Nicola and 

 Cache Creek Valleys, also at Kodiak, Alaska. 



Salix glauca, var., villosa, Anders., in the Rocky Mountains 

 between Lat. 52° — 56°, on the summit of the Selkirks and in 

 the northwestern localities of the province of B. C. 



The Herb-like Willow (Salix herbacea, Linn.), on the sum 

 mits of all the higher Rocky Mountains, from Canmore to the 

 Selkirk Range. 



Sahx lasiandra, Benth. var., typica, Bebb, in thickets at 

 Cache Creek- Var., lancifoli^, Bebb., along the banks of the 



