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Keywords from Image Description:
A manual of poisonous plants Page . ASCOMYCETES EUASCI PERISPORIALES Fig Powdery Mildew of Bluegrass Brysiphe graminis Oidium stage leaves at the right magnified the one above more highly showing the powdery substance Charlotte King Page Text biodiversitylibrary org title Pammel NameFound Ascomycetes NameConfirmed