. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Illustrated Canadian Forestry Magacine. December. ig20 575. A "pole forest" of Aspen Poplar on the North Pine River, Peace Kiver, Alberta. duced into the Prairie provinces. These inchide the P. petrovski, P. certinensis and P. wobstiriga. They are difificult to distinguish one from tlie other and com- monly all go under the name of Russian poplar. The silver or white poplar (P. alba) derives its name from the silvery velvet under surface of its ma])le like leaves which is in sharp contrast to the very dark green
. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Illustrated Canadian Forestry Magacine. December. ig20 575. A "pole forest" of Aspen Poplar on the North Pine River, Peace Kiver, Alberta. duced into the Prairie provinces. These inchide the P. petrovski, P. certinensis and P. wobstiriga. They are difificult to distinguish one from tlie other and com- monly all go under the name of Russian poplar. The silver or white poplar (P. alba) derives its name from the silvery velvet under surface of its ma])le like leaves which is in sharp contrast to the very dark green and shining upper sur- face. This downiness is not confined to the leaves alone but covers the buds and twigs and makes the tree roailily distin- guisha])le even in llie winler. The sil- ver i)()plar is a good sized tree fmni 40 to 75 feet high and a dianu'tcr of 2 to 4 feet ami lias been e\lcnsi\ (.'K- plantetl throughout luislcni Canaila and tlir Xew England States. In (â¢(inimon wiili nian\- of our native rotlonw (m ids il lia^ llir had habit of, sfudiiiL; up root Mickrrs and thereby ])ro\iug iisclf a nuisance near a lawn or gardfu. ///(⢠I .oinluudx. 'Idle poplar so iianu-d !)r- causc i( was origiualK- belii'\i'd lo lia\i' conu' from \ is now ^aid lo In- a native of tlu' high iiioinilaiiis of .Xf^haii estan. it has been iiiiu-Ii planted in ibis conntr\- for onianieul bei-aust> of iis \er- tical habit of growth which has given it the name of the exclamation point among trees. The spire like habit makes it distinguishable from all other trees. When young and vigorous it has some value in landscape planting but when older it often becomes unsightly because of the many lower dead and leaf- less branches w liicli it retains. riie three Russian i)oplars are ver\- hardy and in many sections of the ])rairies a])])ear to withstand the winters even l)etter than the native Cottonwood. idieir habit of growth and general re- (|uirenients are \ery s
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