THE CULTIVATED POPLARS. 



219 



I am inclined to regard this as a distinct species from the balsam 

 poplar. If it should be elevated to specific rank, it would be 

 difficult to determine a correct name for it. Its first specific name 



is evidently L,oddige's, Populus 

 viminalis, but that was only a 

 catalogue name and therefore 

 could not hold under the recent 

 rules of botanical nomenclature. 

 Populus Lindleyana was regu- 

 larly published in 1867, but this 

 name appears to have been used 

 by horticulturists for a form of 

 the cotton wood. The other 

 names which it bears are used only 

 by gardeners and nurserymen. 



4. Populus balsamifera var. viminalis. (}4 nat. size.} 



But however much doubt may attach to the botanical position 

 of this small tree, it is valuable to planters if a tree of willow- 

 like aspect but with more pronounced color effects and greater 

 size and durability is desired. It is very like the native Populus 

 angustifolia, which it represents in Europe, but is readily distin- 

 guished by its angled or furrowed stems, and less tapering and 



