. Fig. 210. — Cronartium ribicola on pine showing general aspect of disease. After CoUey. Leaf-blight, twig-blight (Lophodermium brachysporum Rostr.). — In Maine the leaf-blight has been noted as de- structive to a considerable number of small trees and in-

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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1920, bookyear1921