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Development of Plant Communities of a Sand Ridge Region in Michigan
Vol 74, Iss 1, Page 1
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Sulphur Content of Soils and Its Relation to Plant Nutrition
Vol 74, Iss 1, Page 32
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Effect of Autolized Yeast and Peptone on Growth of Excised Corn Root Tips in the Dark
Vol 74, Iss 1, Page 59
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Leaves of the Farinosae
Vol 74, Iss 1, Page 80
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Inheritance of Fruit Shape in Cucurbita Pepo. I
Vol 74, Iss 1, Page 95
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Biochemistry of Plant Diseases. IV. Proximate Analysis of Plums Rotted by Sclerotinia cinerea
Vol 74, Iss 1, Page 104
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"Magnesia Injury" of Plants Grown in Nutrient Solutions
Vol 74, Iss 1, Page 110
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Lichens. Annie L. Smith
Vol 74, Iss 1, Page 115
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Vegetation of British Guiana
Vol 74, Iss 1, Page 118
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Physicochemical Problems Relating to Soil
Vol 74, Iss 1, Page 119
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Oxalophytes Over Limestone
Vol 74, Iss 1, Page 120
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Heterotheca Grievii the Microsporange of Heterangium Grievii
Vol 74, Iss 2, Page 121
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Early Embryogeny of Reboulia Hemisphaerica
Vol 74, Iss 2, Page 143
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Specific Acidity of Water Extract and Oxalate Content of Foliage of African Sorrel
Vol 74, Iss 2, Page 158
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Microbiology of Flax Retting
Vol 74, Iss 2, Page 174
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Anatomy of a Gall on Populus Trichocarpa
Vol 74, Iss 2, Page 186
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Pollination in Alfalfa
Vol 74, Iss 2, Page 197
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Protective Power Against Salt Injury of Large Root Systems of Wheat Seedlings
Vol 74, Iss 2, Page 204
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A New Fruit Rot of Tomatoes
Vol 74, Iss 2, Page 210
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Effect of Seeds upon Hydrogen-Ion Concentration of Solutions
Vol 74, Iss 2, Page 215
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Taxonomic Notes
Vol 74, Iss 2, Page 224
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Origin of Variations
Vol 74, Iss 2, Page 226
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Influence of Host on Parasite
Vol 74, Iss 2, Page 228
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Calamites
Vol 74, Iss 2, Page 229
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Cycadofilicales
Vol 74, Iss 2, Page 230
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New Method of Vegetative Multiplication
Vol 74, Iss 2, Page 231
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Sexual Evolution
Vol 74, Iss 2, Page 232
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Physiological Studies of Effects of Formaldehyde on Wheat
Vol 74, Iss 3, Page 233
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Development of the Geoglossaceae
Vol 74, Iss 3, Page 264
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A Morphological Study of the Umbelliferae
Vol 74, Iss 3, Page 292
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Determination of Moisture Content of Expressed Plant Tissue Fluids
Vol 74, Iss 3, Page 308
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Moisture Content of Peach Buds in Relation to Temperature Evaluations
Vol 74, Iss 3, Page 314
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Alternaria from California
Vol 74, Iss 3, Page 320
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Basisporium gallarum Moll., A Parasite of the Tomato
Vol 74, Iss 3, Page 325
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Sagenopteris, a Mesozoic Representative of the Hydropteraceae
Vol 74, Iss 3, Page 329
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A Bisporangiate sporophyll of Lycopodium lucidulum
Vol 74, Iss 3, Page 331
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A Simple Apparatus for Controlling Temperatures
Vol 74, Iss 3, Page 333
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Electrons in Photosynthesis
Vol 74, Iss 3, Page 336
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The Mycoplasm Theory
Vol 74, Iss 3, Page 337
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White Pine Blister Rust
Vol 74, Iss 3, Page 339
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Ozark Forests
Vol 74, Iss 3, Page 341
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Mosaic Disease of Tobacco
Vol 74, Iss 3, Page 342
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Effect of Age on Plant Structure
Vol 74, Iss 3, Page 343
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Fungus in Pellia
Vol 74, Iss 3, Page 344
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Ecological Factors in Region of Starved Rock, Illinois
Vol 74, Iss 4, Page 345
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Notes on Neotropical Ant-Plants. I. Cecropia angulata, sp. nov
Vol 74, Iss 4, Page 369
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Prothallia of Lycopodium in American II. L. lucidulum and L. Obscurum Var. Dendroideum
Vol 74, Iss 4, Page 392
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New South American Asteraceae Collected by E. W. D. Holway
Vol 74, Iss 4, Page 414
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Recent Studies of Phaeophyceae and Their Bearing on Classification
Vol 74, Iss 4, Page 431
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A Method for Estimating Hydrophilic Colloid Content of Expressed Plant Tissue Fluids
Vol 74, Iss 4, Page 442
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Growth of Plants in Artificial Light
Vol 74, Iss 4, Page 447
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North American Slime Moulds
Vol 74, Iss 4, Page 452