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By: Douglas, MargaretType: ArticleIn: Journal of the New York Botanical GardenVolume: 47Series:Issue: 557Date: 1946-05Page Range: 112--118Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects:
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By: Douglas, MargaretType: ArticleIn: Journal of the New York Botanical GardenVolume: 48Series:Issue: 566Date: 1947-02Page Range: 29--32Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects: