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By: Ihrig, Herbert G.Type: ArticleIn: ArnoldiaVolume: 2Series:Issue: 10Date: 1942Page Range: 53--56Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard UniversitySubjects:
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By: Ihrig, Herbert G.Type: ArticleIn: Bulletin of popular information - Arnold Arboretum, Harvard UniversityVolume: 7Series: 4Issue: 2Date: 1939-04-28Page Range: 5--12Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,Subjects: