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By: Houghton, Fred F.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 18Series:Issue: 205Date: 1917-01Page Range: 15--18Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects:
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By: Houghton, Fred F.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 18Series:Issue: 206Date: 1917-02Page Range: 35--39Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects:
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By: Houghton, Fred F.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 18Series:Issue: 207Date: 1917-03Page Range: 61--65Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects: