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Undescribed Plants from Guatemala. X
Vol 18, Iss 1, Page 1, Date 1893
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A Comparative Study of the Roots of Ranunculaceæ
Vol 18, Iss 1, Page 8, Date 1893
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Method for Obtaining Pure Cultures of Pammel's Fungus of Texas Root Rot of Cotton
Vol 18, Iss 1, Page 16, Date 1893
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A Vacation in the Hawaiian Islands (Concluded)
Vol 18, Iss 1, Page 19, Date 1893
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Botanical Papers Presented at the New Orleans Meeting of the American Association of Agricultural Colleges and Experiment Stations
Vol 18, Iss 1, Page 25, Date 1893
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The Use of Blue-Print Paper in Recording Root Curvatures
Vol 18, Iss 1, Page 28, Date 1893
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A New Order of Schizomycetes
Vol 18, Iss 1, Page 29, Date 1893
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Editorial
Vol 18, Iss 1, Page 30, Date 1893
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Current Literature
Vol 18, Iss 1, Page 31, Date 1893
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The Meeting at Madison in 1893
Vol 18, Iss 1, Page 35, Date 1893
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An International Botanical Congress
Vol 18, Iss 1, Page 36, Date 1893
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Lesquereux's Flora of the Dakota Group: A Reply
Vol 18, Iss 1, Page 37, Date 1893
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News and Notes
Vol 18, Iss 1, Page 39, Date 1893
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A Comparative Study of the Roots of Ranunculaceæ (Continued)
Vol 18, Iss 2, Page 41, Date 1893
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Flowers and Insects. X
Vol 18, Iss 2, Page 47, Date 1893
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Notes on North American Umbelliferæ. III
Vol 18, Iss 2, Page 54, Date 1893
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Influence of Anæsthetics on Plant Transpiration
Vol 18, Iss 2, Page 56, Date 1893
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Notes on a Variety of Ampelopsis quinquefolia
Vol 18, Iss 2, Page 70, Date 1893
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Editorial
Vol 18, Iss 2, Page 72, Date 1893
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Current Literature
Vol 18, Iss 2, Page 73, Date 1893
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Notes and News
Vol 18, Iss 2, Page 78, Date 1893
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On Monilia Fructigena
Vol 18, Iss 3, Page 85, Date 1893
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Non-Parasitic Bacteria in Vegetable Tissue
Vol 18, Iss 3, Page 93, Date 1893
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A Comparative Study of the Roots of Ranunculaceæ (Continued)
Vol 18, Iss 3, Page 97, Date 1893
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The Plant Cell and Its Organs
Vol 18, Iss 3, Page 103, Date 1893
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Nutrition of Insectivorous Plants
Vol 18, Iss 3, Page 105, Date 1893
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The Phylogeny of Ferns
Vol 18, Iss 3, Page 106, Date 1893
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The Flowers of the Horsechestnut
Vol 18, Iss 3, Page 107, Date 1893
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Another Hybrid Oak
Vol 18, Iss 3, Page 110, Date 1893
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A Graft Hybrid
Vol 18, Iss 3, Page 111, Date 1893
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Current Literature
Vol 18, Iss 3, Page 112, Date 1893
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Notes and News
Vol 18, Iss 3, Page 114, Date 1893
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Contributions from the Cryptogamic Laboratory of Harvard University. XIX. Note on Phallogaster saccatus
Vol 18, Iss 4, Page 117, Date 1893
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The Genus Cæsalpinia
Vol 18, Iss 4, Page 121, Date 1893
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The Tendrils of Passiflora caerulea
Vol 18, Iss 4, Page 123, Date 1893
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The Limitation of the Term "Spore"
Vol 18, Iss 4, Page 130, Date 1893
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The Range of Variation in Species of Erythronium
Vol 18, Iss 4, Page 134, Date 1893
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Anatomy of the Tubers of Equisetum
Vol 18, Iss 4, Page 138, Date 1893
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Yeast Fungi
Vol 18, Iss 4, Page 139, Date 1893
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Description of a New Fossil Species of Chara
Vol 18, Iss 4, Page 141, Date 1893
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The Pine Grosbeak's Attack on the Ashes and Spruces of Cambridge, Mass., in January, 1893
Vol 18, Iss 4, Page 143, Date 1893
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Editorial
Vol 18, Iss 4, Page 144, Date 1893
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Current Literature
Vol 18, Iss 4, Page 146, Date 1893
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Notes and News
Vol 18, Iss 4, Page 151, Date 1893
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The Genus Corallorhiza
Vol 18, Iss 5, Page 166, Date 1893
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George Vasey: A Biographical Sketch
Vol 18, Iss 5, Page 170, Date 1893
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Frost Freaks of the Dittany
Vol 18, Iss 5, Page 183, Date 1893
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On Two New or Imperfectly Known Myxomycetes
Vol 18, Iss 5, Page 186, Date 1893
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Habenaria fimbriata, Var
Vol 18, Iss 5, Page 189, Date 1893
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Editorial
Vol 18, Iss 5, Page 190, Date 1893
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Current Literature
Vol 18, Iss 5, Page 191, Date 1893
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Notes and News
Vol 18, Iss 5, Page 193, Date 1893
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On the Development of the Caryopsis
Vol 18, Iss 6, Page 212, Date 1893
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Contribution to the Biology of the Organism Causing Leguminous Tubercles (Continued)
Vol 18, Iss 6, Page 226, Date 1893
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Editorial
Vol 18, Iss 6, Page 238, Date 1893
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Current Literature
Vol 18, Iss 6, Page 239, Date 1893
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A Misunderstanding Corrected
Vol 18, Iss 6, Page 242, Date 1893
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Notes and News
Vol 18, Iss 6, Page 243, Date 1893
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Descriptions of New Species of Uredineæ and Ustilagineæ, with Remarks on Some Other Species. I
Vol 18, Iss 7, Page 253, Date 1893
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Contribution to the Biology of the Organism Causing Leguminous Tubercles (Concluded)
Vol 18, Iss 7, Page 257, Date 1893
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Flowers and Insects. XI
Vol 18, Iss 7, Page 267, Date 1893
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Difference between the Common Salt-Wort and the Russian Thistle
Vol 18, Iss 7, Page 275, Date 1893
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Editorial
Vol 18, Iss 7, Page 276, Date 1893
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Current Literature
Vol 18, Iss 7, Page 277, Date 1893
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The Bibliography of American Botany
Vol 18, Iss 7, Page 279, Date 1893
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Notes and News
Vol 18, Iss 7, Page 280, Date 1893
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Cell Union in Herbaceous Grafting
Vol 18, Iss 8, Page 285, Date 1893
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Observations on the Zoospores of Draparnaldia
Vol 18, Iss 8, Page 294, Date 1893
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New and Noteworthy North American Plants
Vol 18, Iss 8, Page 299, Date 1893
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Some Recent Investigations on the Evaporation of Water from Plants
Vol 18, Iss 8, Page 304, Date 1893
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The Plant and Its Relation to Iron
Vol 18, Iss 8, Page 311, Date 1893
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Latent Irritability
Vol 18, Iss 8, Page 312, Date 1893
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Studies Upon the Xyrideae
Vol 18, Iss 8, Page 313, Date 1893
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Editorial
Vol 18, Iss 8, Page 316, Date 1893
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Current Literature
Vol 18, Iss 8, Page 319, Date 1893
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A Suggestion
Vol 18, Iss 8, Page 324, Date 1893
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Notes and News
Vol 18, Iss 8, Page 325, Date 1893
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Evolution and Classification
Vol 18, Iss 9, Page 329, Date 1893
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Proceedings of Section G, A. A. A. S., Madison Meeting
Vol 18, Iss 9, Page 333, Date 1893
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Proceedings of the Madison Botanical Congress
Vol 18, Iss 9, Page 350, Date 1893
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Botany at the World's Fair
Vol 18, Iss 9, Page 357, Date 1893
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Editorial
Vol 18, Iss 9, Page 364, Date 1893
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Current Literature
Vol 18, Iss 9, Page 366, Date 1893
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Notes and News
Vol 18, Iss 9, Page 368, Date 1893
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The Fructification of Juniperus
Vol 18, Iss 10, Page 369, Date 1893
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Development of the Embryo-Sac in Acer Rubrum
Vol 18, Iss 10, Page 375, Date 1893
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Achenial Hairs of Compositæ
Vol 18, Iss 10, Page 378, Date 1893
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The Bacterial Flora of the Atlantic Ocean in the Vicinity of Woods Holl, Mass. A Contribution to the Morphology and Physiology of Marine Bacteria
Vol 18, Iss 10, Page 383, Date 1893
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Inter-Twining of Tendrils
Vol 18, Iss 10, Page 396, Date 1893
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Current Literature
Vol 18, Iss 10, Page 397, Date 1893
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An American Year-Book of Botany
Vol 18, Iss 10, Page 399, Date 1893
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The Bacterial Flora of the Atlantic Ocean in the Vicinity of Woods Holl, Mass. A Contribution to the Morphology and Physiology of Marine Bacteria (Continued)
Vol 18, Iss 11, Page 411, Date 1893
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Plants Hurt by a Late Freeze
Vol 18, Iss 11, Page 417, Date 1893
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Popular American Plant Names. II
Vol 18, Iss 11, Page 420, Date 1893
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Editorial
Vol 18, Iss 11, Page 428, Date 1893
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Current Literature
Vol 18, Iss 11, Page 430, Date 1893
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A Suggestion in Terminology
Vol 18, Iss 11, Page 435, Date 1893
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Notes and News
Vol 18, Iss 11, Page 436, Date 1893
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The Bacterial Flora of the Atlantic Ocean in the Vicinity of Woods Holl, Mass. A Contribution to the Morphology and Physiology of Marine Bacteria (Concluded)
Vol 18, Iss 12, Page 439, Date 1893
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Studies in the Biology of the Uredineæ. I. Notes on Germination
Vol 18, Iss 12, Page 447, Date 1893
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Botanical Notes from Bainbridge, Georgia. I
Vol 18, Iss 12, Page 457, Date 1893
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Bibliography of American Botany
Vol 18, Iss 12, Page 466, Date 1893
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Editorial
Vol 18, Iss 12, Page 467, Date 1893
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Current Literature
Vol 18, Iss 12, Page 468, Date 1893
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The Botanic Annual
Vol 18, Iss 12, Page 471, Date 1893
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Notes and News
Vol 18, Iss 12, Page 473, Date 1893