BULLETIN No. 18. 3 



underneath side of the leaves and the new growth, it makes a fine 

 appearance. Has developed no faults yet. 



Balm of Gilead {Populus balsamifera var candicans). Is a 

 rapid growing" tree of spreading habit, but is undesirable except in 

 forestry plantations on account of shedding cotton and sending up 

 sprouts or suckers from the roots. The trees have been standing 

 in their present position for several years. Maximum growth last 

 year 4 ft. i in. ; average 3 ft. 4 in. 



The American Aspen or Quaking Asp {Populus tremuloides). 

 A few trees of this species were brought from the mountains 

 last fall; the growth this season has not been more than 6 in., but 

 the prospect is that they will succeed here in the valley. The 

 aspen is quite a shapely tree, not ver^ spreading, nor is it as 

 straight and tall as the Lombardy poplar. 



P^pulus Siberica. A tree of spreading habit; leaves are long, 

 stiff and leathery ; those on the newer wood are of a yellowish 

 tinge; maximum growth the first year i ft. I in; average 8 in.; 

 second year, maximum 2 ft 3 in.; average i ft. 8 in. 



The poplars, as a class, are most valuable for timber and for- 

 estry plantations, though some admire their tall straight stems for 

 ornamental purposes. Those that sprout or sucker from the roots 

 or shed cotton are undesirable for ornamental purposes or for 

 street trees. 



Willows. Laural-leaved willow (^salix laurifolia} . TJ^ 

 leaves are large and of a bright glossy green; a tree of very strik- 

 ing appearance. Maximum growth the first year 2 ft. 4 in., aver- 

 age 2 ft.; maximum the second year 4 ft.; average 3 ft. 2 in. 



Salixfragilis. Is a vigorous growing tree, branches being 

 long and slender; has a dark green foliage. Maximum growth 

 the first year 2 ft. 4 in. ; average 2 ft. 2 in. ; maximum the second 

 year 4 ft. 3 in. ; average 3 ft. 4 in. 



Yellow Willows {saHx aurea}. Hardy and doing well; 

 growth the first year, maximum 2 ft. 6 in.; average 2 ft. i in.; 

 second year 4 ft. 8 in. ; average 3 ft. 8 in. 



Salix rosmarinifolia. Presents a very striking appearance; 

 has a long linear leaf and slender red branches; makes a very 

 pretty ornamental plant. Maximum growth the first year 2 ft; 

 average 2 ft. 2 in. Maximum growth the second year 2 ft. 8 in.; 

 average 2 ft. 2 in. 



