File:Bulletins on forest pathology - from Bulletin U.S.D.A., Washington, D.C., 1913-1925 (1913) (20317406680).jpg

Title: (Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925)
Identifier: bulletinsonfores00unit (find matches)
Year: 1913 (1910s)
Authors: United States. Dept. of Agriculture
Subjects: Trees; Plant diseases
Publisher: (Washington : U. S. Dept. of Agriculture)
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Bui. 1298, U. S. Dept. of Agriculture PLATE I
Text Appearing After Image:
Fig. 1.—Mycelium of a wood-destroying fungus on ground wood after six months' storage in a mill basement Fig. 2.—Mycelium of Trametes pini in southern yellow pine. The small black lines are the fungous threads. The heavy lines are the walls of the wood fibers. Note the numerous small holes where the threads have perforated the walls of the fibers Fig. 3.—Spore print of a mushroom, Lepiota naucina, obtained by placing the cap, gills down, on a piece of black paper. The spores were cast by the billion. (After Atkinson) Fig. 4.—Fruit bodies of Polystictus hirsutus on the end of an aspen pulp log. This fungus is limited to hardwoods Fig. 5.—Fruit bodies of Fomes roseus (the larger) and Polystictus abietinus on the end of spruce pulp logs in the pile of three-year wood shown in PI. VI, fig. 3. These two fungi are the most prevalent species on conifers Fig. 6.—Fruit bodies of Lenzites sepiaria on spruce pulp logs. This fungus is confined almost entirely to conifers and develops readily on the drier exposed timbers

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