. Fin. 19H.^ Maple tar spot. Aftor HeaUI. value of the tree for ornament or shade. The silver maples are especially susceptil^Ie, and their sale has thereby been reduced. The leaf spot was first noted in 1874 and is dis- tributed throughout the United States. The blackish, subcircular spots as they enlarge change to brown and later

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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910