. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. Fig. 495. Tinder fungus (Poly- porus igniarius) on beech log. The external part of the fungus is shown be- low; the h6art-);ot injury Fig. 496. Red heart disease of Douglas spruce {Trametespini). preservative is undoubtedly coal-tar creosote, which can either be 'painted on the wood or be pressed into it by various mechanical devices. Literature. The following are some of the more important books and papers relating to the diseases of American trees
. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. Fig. 495. Tinder fungus (Poly- porus igniarius) on beech log. The external part of the fungus is shown be- low; the h6art-);ot injury Fig. 496. Red heart disease of Douglas spruce {Trametespini). preservative is undoubtedly coal-tar creosote, which can either be 'painted on the wood or be pressed into it by various mechanical devices. Literature. The following are some of the more important books and papers relating to the diseases of American trees and timber : G. F. Atkinson, Studies of Some Shade Tree and Timber Destroying Fungi, Cornell Agricultural Experiment Station, Bulletin No. 193 (1901); E. M. Freeman, Minnesota Plant Diseases, Chapters on Diseases of Timber Trees (1905); Galloway and Woods, Diseases of Shade and Ornamental Trees, United States Department of Agriculture, Yearbook 1896, p. 237; Robert Hartig, Diseases of Trees (1894); F. D. Heald, A Disease of Cottonwood, Nebraska Agricultural Ex- periment Station, Bul- letin No. 19 (1906); Perley Spaulding, A Disease of Black Oaks, Report Missouri Bo- tanical Garden (1905); the following by Her- mann von Schrenk: A Disease of Taxodium, and of Libocedrus, Re- port Missouri Botan- ical Garden, No. 11 (1899); A Dis- ease of the Black Locust, Report Mis- souri Botan- ical Garden, No. 12 (1901);' The Bluing and Red Rot of the Western Yellow Pine, Bu- reau of Plant In- dustry, Bulletin No. 36 (1903); Dis- eases of New Eng- land Coniferous Trees, Division of Vegetable Physiol- ogy and Pathology, United States De- partment of Agriculture, Bulletin No. 25; Fungous Diseases of Forest Trees, United States Department of Agriculture, Yearbook, 1900; Two Diseases of Red Cedar, Division of Vegetable Physiology and Pathology, United States Department of Agricul- ture, Bulletin No. 21; A Disease of White Ash, Bureau of Plant Industry, Bulletin No. 32 (1903); Decay of Timber, Bur
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