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Respiration of Dormant Seeds
Vol 72, Iss 1, Page 1, Date 1921
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Leaves of the Helobieae
Vol 72, Iss 1, Page 31, Date 1921
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Helmut Bruchmann
Vol 72, Iss 1, Page 45, Date 1921
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Origin of Hawaiian Flora
Vol 72, Iss 1, Page 52, Date 1921
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Studies of Cambium
Vol 72, Iss 1, Page 53, Date 1921
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Notes on Conifers
Vol 72, Iss 1, Page 55, Date 1921
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African Veld
Vol 72, Iss 1, Page 56, Date 1921
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Peat Deposits and Their Evidence of Climatic Changes
Vol 72, Iss 2, Page 57, Date 1921
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Life History of Corallina Officinalis var. Mediterranea
Vol 72, Iss 2, Page 90, Date 1921
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Leaves of Certain Amaryllids
Vol 72, Iss 2, Page 102, Date 1921
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A Homosporous American Lepidostrobus
Vol 72, Iss 2, Page 106, Date 1921
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Dictionary of Botanical Equivalents
Vol 72, Iss 2, Page 110, Date 1921
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Plagiotropic Shore Plants
Vol 72, Iss 2, Page 112, Date 1921
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Effect of Direct Current on Cells of Root Tip of Canada Field Pea
Vol 72, Iss 3, Page 113, Date 1921
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Chemistry of After-Ripening, Germination, and Seedling Development of Juniper Seeds
Vol 72, Iss 3, Page 139, Date 1921
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Leaf-Tissue Production and Water Content in a Mutant Race of Phaseolus vulgaris
Vol 72, Iss 3, Page 151, Date 1921
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Technique in Contrasting Mucors
Vol 72, Iss 3, Page 162, Date 1921
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Germination of Aeciospores, Urediniospores, and Teliospores of Puccinia coronata
Vol 72, Iss 3, Page 173, Date 1921
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Mutation
Vol 72, Iss 3, Page 178, Date 1921
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Taxonomic Notes
Vol 72, Iss 3, Page 182, Date 1921
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Physical Properties of Protoplasm
Vol 72, Iss 3, Page 183, Date 1921
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Food Storage in Cotyledons
Vol 72, Iss 3, Page 184, Date 1921
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Sexual Dimorphism in Cunninghamella
Vol 72, Iss 4, Page 185, Date 1921
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Notes on Willows of Sections Pentandrae and Nigrae
Vol 72, Iss 4, Page 220, Date 1921
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Polypodium vulgare as an Epiphyte
Vol 72, Iss 4, Page 237, Date 1921
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Chromosomes of Conocephalum conicum
Vol 72, Iss 4, Page 245, Date 1921
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Peach Yellows and Little Peach
Vol 72, Iss 4, Page 250, Date 1921
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Effect of Location of Seed upon Germination
Vol 72, Iss 4, Page 256, Date 1921
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Flora of Southern Illinois
Vol 72, Iss 4, Page 263, Date 1921
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Ecology of the Gangetic Plain
Vol 72, Iss 4, Page 264, Date 1921
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Decay of Brazil Nuts
Vol 72, Iss 5, Page 265, Date 1921
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Growth Rings in a Monocotyl
Vol 72, Iss 5, Page 293, Date 1921
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Invasion of Virgin Soil in the Tropics
Vol 72, Iss 5, Page 305, Date 1921
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Pectic Material in Root Hairs
Vol 72, Iss 5, Page 313, Date 1921
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Destruction of Mosses by Lichens
Vol 72, Iss 5, Page 321, Date 1921
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Annual Rings of Growth in Carboniferous Wood
Vol 72, Iss 5, Page 326, Date 1921
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Organic Acids and Anthocyanin Formation
Vol 72, Iss 5, Page 332, Date 1921
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Rubus in New England
Vol 72, Iss 5, Page 336, Date 1921
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Subterranean Organs of Bog Plants
Vol 72, Iss 6, Page 359, Date 1921
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Morphological Study of Carya alba and Juglans nigra
Vol 72, Iss 6, Page 375, Date 1921
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Phylogenetic Position of the Bacteria
Vol 72, Iss 6, Page 390, Date 1921
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Ondontopteris genuina in Rhode Island
Vol 72, Iss 6, Page 397, Date 1921
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Root Development of Wheat Seedlings
Vol 72, Iss 6, Page 404, Date 1921
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Principes de Biologie Vegetale.Noel Bernard
Vol 72, Iss 6, Page 407, Date 1921
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Specificity of Chromosomes and Sex-Determination
Vol 72, Iss 6, Page 408, Date 1921
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Taxonomic Notes
Vol 72, Iss 6, Page 410, Date 1921
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Classification of Symbiotic Phenomena
Vol 72, Iss 6, Page 411, Date 1921
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Montane Flora of Burma
Vol 72, Iss 6, Page 412, Date 1921