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. Fig. 4 Stigmatomycosis. Species A A much more definite parasite is Marasmius perniciosus, Stahel, the cause of the witch-broom disease of cacao in Surinam. The black threads of the so-called horse-hair bhght are the mycelial
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplantdi, bookyear1923