74 Trees 



or entire, acute at both ends. Flowers: aments expanding before the 

 leaves, cylindric. Fruit: a capsule, ovoid-conic, acute, densely tomen- 

 tose. 



The pointed leaves of the Hoary Willow are extremely 

 white-woolly, especially beneath, and the red style is three 

 times as long as the stigmas. The older twigs of this shrub, 

 which attains a height of five or six feet, are red or purple, 

 and the younger ones are white-woolly like the leaves. 



Salix Barclayi, or Barclay's Willow, has dark brown 

 twigs, and oval leaves, which are a pale green beneath, and 

 darker on the top. Sometimes you will find on this Willow 

 a number of curious rose-like arrangements terminating the 

 branches, these are the result of the work of a species of 

 gall insect and look exactly like reddish-green roses. 



Salix Barrattiana, or Barratt's Willow, is a small tree 

 growing from ten to fifty feet high, with light gray bark, 

 and oblong, dark green leaves, which become rusty beneath 

 when old. The aments are very densely-flowered, the scales 

 being black or red at the apex, and woolly with long white 

 hairs. 



Salix Bebbiana, or Brown Willow, is sometimes a shrub, 

 and sometimes a bushy tree twenty-five feet high. It has 

 elliptical, pointed, gray-green leaves, often tinged with red 

 on the upper surface, and woolly underneath. 



Salix nwalis, or Alpine Willow, is a small species grow- 

 ing very high up on the mountains. 



Salix petrophila, or Dwarf Willow, is a low creeping 

 shrub, with narrow leaves about an inch long, which have 

 even edges, and are green on both sides. It grows at very 

 high altitudes. 



Salix vestita, or Hairy Willow, is a low shrub with four- 

 sided green twigs, and thick, egg-shaped leaves, which have 



