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By: Fretz, C D - Britton, Nathaniel Lord, - Cockerell, Theodore D. A. (Theodore Dru Alison), - Britton, Elizabeth G. (Elizabeth Gertrude),Type: ArticleIn: TorreyaVolume: 1Series:Issue: 7Date: 1901Page Range: 82--84Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects: