. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Canadian Forestry Journal, June, 1917 1163. NORTH AMERICAN WHITE PINE GROUP DtSTRiBiniON OF F:\LHl: O'SV '" Oork S>W)>«q . R«q«*^ »* Courtesy State Conservation Conimis. MAP OF NORTH AMERICAN WHIT PINE GROUP SHOWING DISTRIBUTION OF FIVE-NEEDLE PINES. Dark shading represents region of best growth, light shading—-e:^trenie range. SAVE THE WHITE PINE Canada's two hundred million dol- lars worth of white pine is menaced by a deadly disease, "Blister ; Every reader of the Canadian For- estry Jour
. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Canadian Forestry Journal, June, 1917 1163. NORTH AMERICAN WHITE PINE GROUP DtSTRiBiniON OF F:\LHl: O'SV '" Oork S>W)>«q . R«q«*^ »* Courtesy State Conservation Conimis. MAP OF NORTH AMERICAN WHIT PINE GROUP SHOWING DISTRIBUTION OF FIVE-NEEDLE PINES. Dark shading represents region of best growth, light shading—-e:^trenie range. SAVE THE WHITE PINE Canada's two hundred million dol- lars worth of white pine is menaced by a deadly disease, "Blister ; Every reader of the Canadian For- estry Journal, residing near white pine areas has a public duty to per- form in 'scouting' for infections of the disease. A special pamphlet, with graphic illustrations, has been issued by the Forestry Association. Learn what the disease is and how it develops on white pine and on the 'host' plants, the currants, and goose- berries. The latter are essential to the transmission of the disease for it will not pass direct from pine to pine. Destruction of the 'host' plants will stop the progress of the Blister Rust. All trees infected should be destroyed by their owner. Send your name to the Association office, 119 Booth Building, and secure a few copies of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Canadian Forestry Association. [Ottawa] : Canadian Forestry Association
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