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By: Ferry, Ervin S.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 50Series:Issue: 589Date: 1949-01Page Range: 8--15Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects:
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By: Ferry, Ervin S.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 50Series:Issue: 590Date: 1949-02Page Range: 25--33Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects: