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Experimental Investigations on the Genus Razoumofskya
Vol 66, Iss 1, Page 1
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Chemical Changes Accompanying Abscission in Coleus Blumei
Vol 66, Iss 1, Page 32
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Interrelationships of the Taxineae
Vol 66, Iss 1, Page 54
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Significance of Resinous Tracheids
Vol 66, Iss 1, Page 61
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Bisporangiate Cones of Pinus montana
Vol 66, Iss 1, Page 68
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Hybrid Vigor
Vol 66, Iss 1, Page 70
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Taxonomic Notes
Vol 66, Iss 1, Page 72
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Abscission
Vol 66, Iss 1, Page 75
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Nitrates in Forest Soils and Forest Regeneration
Vol 66, Iss 1, Page 76
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Mechanics of Movement in Insectivorous Plants
Vol 66, Iss 1, Page 77
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Soil Moisture Studies
Vol 66, Iss 1, Page 78
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Embryo of Aucuba
Vol 66, Iss 1, Page 79
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Desiccation
Vol 66, Iss 1, Page 80
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Determination of Wilting
Vol 66, Iss 2, Page 81
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Notes on American Willows. I. The Species Related to Salix arctica Pall
Vol 66, Iss 2, Page 117
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Fecundation and Formation of the Primary Endosperm Nucleus in Certain Liliaceae
Vol 66, Iss 2, Page 143
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Factors Determining Character and Distribution of Food Reserve in Woody Plants
Vol 66, Iss 2, Page 162
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Modified Safety-Razor Blade Holder for Temperature Control
Vol 66, Iss 2, Page 176
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Pollination of Asclepias cryptoceras
Vol 66, Iss 2, Page 177
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Estimation of Plant Carbohydrates
Vol 66, Iss 2, Page 178
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Taxonomic Notes
Vol 66, Iss 2, Page 182
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Atmometry
Vol 66, Iss 2, Page 183
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Embryo Sac of Oenothera
Vol 66, Iss 2, Page 184
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Notes on North American Trees. II. Carya
Vol 66, Iss 3, Page 229
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Abnormal Conjugation in Spirogyra
Vol 66, Iss 3, Page 269
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Cross-Conjugation in Spirogyra weberi
Vol 66, Iss 3, Page 272
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An Endemic Begonia of Hawaii
Vol 66, Iss 3, Page 273
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Secondary Parasitism in Phoradendron
Vol 66, Iss 3, Page 275
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Formation and Translocation of Carbohydrates in Plants
Vol 66, Iss 3, Page 277
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The Oenothera Situation
Vol 66, Iss 3, Page 284
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Edible and Poisonous Mushrooms
Vol 66, Iss 3, Page 285
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Economic Importance of Diatoms
Vol 66, Iss 3, Page 287
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Seed Position and Growth
Vol 66, Iss 3, Page 288
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A Contribution to the Life History of Impatiens sultani
Vol 66, Iss 4, Page 289
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Notes on American Willows. II. The Species Related to Salix glauca L
Vol 66, Iss 4, Page 318
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The Sporangia of Thismia americana
Vol 66, Iss 4, Page 354
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Root Variations Induced by Carbon Dioxide Gas Additions to Soil
Vol 66, Iss 4, Page 364
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Absorption of Sodium and Calcium by Wheat Seedlings
Vol 66, Iss 4, Page 374
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Method of Replacing Paraffin Solvent with Paraffin
Vol 66, Iss 4, Page 381
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Adaptation and Natural Selection
Vol 66, Iss 4, Page 382
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Mitochondria
Vol 66, Iss 4, Page 383
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Units of Vegetation and Their Classification
Vol 66, Iss 4, Page 385
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Permeability
Vol 66, Iss 4, Page 388
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Desiccation
Vol 66, Iss 4, Page 390
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Fairy Rings and Their Effect on Vegetation
Vol 66, Iss 4, Page 391
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Foreign Pollen on Cycas
Vol 66, Iss 4, Page 392
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Morphology of Rumex Crispus
Vol 66, Iss 5, Page 393
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Notes on North American Trees. III. Tilia. I
Vol 66, Iss 5, Page 421
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Pine Needles, Their Significance and History
Vol 66, Iss 5, Page 439
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Joseph Young Bergen
Vol 66, Iss 5, Page 455
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Development in Gymnocarpous Agaricaceae
Vol 66, Iss 5, Page 459
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Self-Sterility
Vol 66, Iss 5, Page 461
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Mutationists and Selectionists
Vol 66, Iss 5, Page 463
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Limiting Factors in Relation to Specific Ranges of Tolerance of Forest Trees
Vol 66, Iss 6, Page 465
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Notes on North American Trees. III. Tilia. II
Vol 66, Iss 6, Page 494
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The Purple Hyacinth Bean
Vol 66, Iss 6, Page 512
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A Morphological Study of Pallavicinia lyellii
Vol 66, Iss 6, Page 524
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Modification of Hand Microtome
Vol 66, Iss 6, Page 534
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Fungous Diseases and Insect Pests
Vol 66, Iss 6, Page 537
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Phenomena of Parasitism
Vol 66, Iss 6, Page 538
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Phytogeography of South Africa
Vol 66, Iss 6, Page 539
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Continuous Variation
Vol 66, Iss 6, Page 540
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New-Place Effect
Vol 66, Iss 6, Page 541
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Lichen Growth
Vol 66, Iss 6, Page 542
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Inheritance of Height in Peas
Vol 66, Iss 6, Page 543
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Rusts of Oregon
Vol 66, Iss 6, Page 544