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By: Douglass, BeamanType: ArticleIn: TorreyaVolume: 17Series:Issue: 10Date: 1917Page Range: 171--175Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Douglass, BeamanType: ArticleIn: TorreyaVolume: 17Series:Issue: 12Date: 1917Page Range: 207--221Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects: