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Undescribed Plants from Guatemala and Other Central American Republics. XIV
Vol 20, Iss 1, Page 1
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Notes from my Herbarium. I
Vol 20, Iss 1, Page 12
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The Crystallization of Cellulose
Vol 20, Iss 1, Page 16
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The Periodic Reduction of Chromosomes in Living Organisms
Vol 20, Iss 1, Page 23
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Anatomy of the Genus Carex
Vol 20, Iss 1, Page 26
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Synchytrium on Geranium Carolinianum
Vol 20, Iss 1, Page 29
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Formulae for Life Histories
Vol 20, Iss 1, Page 31
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Isoetes saccharata
Vol 20, Iss 1, Page 32
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Editorial
Vol 20, Iss 1, Page 33
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Current Literature
Vol 20, Iss 1, Page 34
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The Term Phytobiology
Vol 20, Iss 1, Page 38
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Notes and News
Vol 20, Iss 1, Page 39
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New or Noteworthy Compositæ from Guatemala
Vol 20, Iss 2, Page 41
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A Preliminary Paper on Costaria with Description of a New Species
Vol 20, Iss 2, Page 54
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Notes on Our Hepaticæ. III. The Distribution of the North American Marchantiaceæ
Vol 20, Iss 2, Page 59
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The Flora of Mt. Mansfield
Vol 20, Iss 2, Page 72
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The Origin of the Sexual Organs of the Pteridophyta
Vol 20, Iss 2, Page 76
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Botanical Notes
Vol 20, Iss 2, Page 78
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Leucoplasts
Vol 20, Iss 2, Page 81
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Editorial
Vol 20, Iss 2, Page 82
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Current Literature
Vol 20, Iss 2, Page 83
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The Editorial Committee of "Science"
Vol 20, Iss 2, Page 86
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Notes and News
Vol 20, Iss 2, Page 87
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Apparatus for Physiological Botany
Vol 20, Iss 3, Page 89
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On the "List of Pteridophyta and Spermatophyta of Northeastern America," Prepared by the Nomenclature Committee of the Botanical Club
Vol 20, Iss 3, Page 97
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Flowers and Insects. XIII
Vol 20, Iss 3, Page 104
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Noteworthy Anatomical and Physiological Researches Anatomy of Vellozieae
Vol 20, Iss 3, Page 111
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Relationship of Cæoma nitens and Puccinia peckiana
Vol 20, Iss 3, Page 116
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Some Field Notes
Vol 20, Iss 3, Page 117
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Editorial
Vol 20, Iss 3, Page 119
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Current Literature
Vol 20, Iss 3, Page 120
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Notes and News
Vol 20, Iss 3, Page 123
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Present Problems in the Anatomy, Morphology, and Biology of the Cactaceæ
Vol 20, Iss 4, Page 129
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Flowers and Insects. XIV
Vol 20, Iss 4, Page 139
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Notes from My Herbarium. II
Vol 20, Iss 4, Page 150
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Synopsis of North American Amaranthaceæ. II
Vol 20, Iss 4, Page 155
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A Reply to Dr. Robinson's Criticism of the "List of Pteridophyta and Spermatophyta of Northeastern America"
Vol 20, Iss 4, Page 162
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Observations on the Spider Flower
Vol 20, Iss 4, Page 168
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Observations on Enslenia albida
Vol 20, Iss 4, Page 170
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On the Development of the Bulb of the Adder's-Tongue
Vol 20, Iss 4, Page 172
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John H. Redfield
Vol 20, Iss 4, Page 175
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George Hunt
Vol 20, Iss 4, Page 176
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The Systematic Botany of North America
Vol 20, Iss 4, Page 177
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Editorial
Vol 20, Iss 4, Page 180
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Current Literature
Vol 20, Iss 4, Page 182
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Notes and News
Vol 20, Iss 4, Page 187
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The Development of Botany in Germany During the Nineteenth Century
Vol 20, Iss 5, Page 193
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The Embryo-Sac of Aster Novæ-Angliæ
Vol 20, Iss 5, Page 205
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Present Problems in the Anatomy, Morphology, and Biology of the Cactaceæ (Concluded)
Vol 20, Iss 5, Page 213
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Some Recent Cell Literature
Vol 20, Iss 5, Page 222
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Aspidium simulatum
Vol 20, Iss 5, Page 229
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Collinsia bicolor
Vol 20, Iss 5, Page 232
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Editorial
Vol 20, Iss 5, Page 233
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Current Literature
Vol 20, Iss 5, Page 234
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Notes and News
Vol 20, Iss 5, Page 237
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Contributions to the Embryology of the Ranunculaceæ
Vol 20, Iss 6, Page 241
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On the Application of "Once a Synonym Always a Synonym" to Binomials
Vol 20, Iss 6, Page 261
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Recommendations Regarding the Nomenclature of Systematic Botany
Vol 20, Iss 6, Page 263
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The Botanical Work of the Government
Vol 20, Iss 6, Page 264
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Abnormal Fruiting of Vaucheria
Vol 20, Iss 6, Page 269
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Astragalus Blakei n. sp
Vol 20, Iss 6, Page 271
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Editorial
Vol 20, Iss 6, Page 272
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Current Literature
Vol 20, Iss 6, Page 273
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Astragalus lanocarpus and A. bajaensis
Vol 20, Iss 6, Page 277
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Notes and News
Vol 20, Iss 6, Page 278
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Undescribed Plants from Guatemala and Other Central American Republics. XV
Vol 20, Iss 7, Page 281
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Some Observations on the Development of Colletotrichum lindemuthianum in Artificial Cultures
Vol 20, Iss 7, Page 305
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On the Validity of Some Fossil Species of Liriodendron
Vol 20, Iss 7, Page 312
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Botanical Nomenclature and Non-Systematists
Vol 20, Iss 7, Page 317
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Dr. Robinson and Homonyms
Vol 20, Iss 7, Page 320
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A Red-Seeded Dandelion in New England
Vol 20, Iss 7, Page 323
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Viola sagittata Hicksii, Var. Nov
Vol 20, Iss 7, Page 326
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Current Literature
Vol 20, Iss 7, Page 327
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Identification of Fossil Leaves
Vol 20, Iss 7, Page 332
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Notes and News
Vol 20, Iss 7, Page 333
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Notes from my Herbarium. III
Vol 20, Iss 8, Page 345
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Some Euphorbiaceæ from Guatemala
Vol 20, Iss 8, Page 349
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Vegetal Dissemination in the Genus Opuntia
Vol 20, Iss 8, Page 356
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A Study of Some Anatomical Characters of North American Gramineæ. V
Vol 20, Iss 8, Page 362
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Daniel Cady Eaton
Vol 20, Iss 8, Page 366
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Deanea, a New Genus of Umbelliferæ from Mexico
Vol 20, Iss 8, Page 372
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Current Literature
Vol 20, Iss 8, Page 375
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Notes and News
Vol 20, Iss 8, Page 379
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Botanical Society of America
Vol 20, Iss 9, Page 403
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Section G, A. A. A. S
Vol 20, Iss 9, Page 406
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Abstract of Papers Read Before Section G. of A. A. A. S
Vol 20, Iss 9, Page 408
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The Botanical Club of the A. A. A. S
Vol 20, Iss 9, Page 414
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The Rhizoids of Filamentous Algæ
Vol 20, Iss 9, Page 417
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Investigations on Bacteria
Vol 20, Iss 9, Page 419
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Laphamia ciliata, Sp. Nov
Vol 20, Iss 9, Page 425
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The Nomenclature Question: Theoretical Objections to a Stable Nomenclature
Vol 20, Iss 9, Page 428
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Decapitalization
Vol 20, Iss 9, Page 429
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Notes and News
Vol 20, Iss 9, Page 430
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Contributions from the Cryptogamic Laboratory of Harvard University. XXVII. New or Peculiar Aquatic Fungi. I. Monoblepharis
Vol 20, Iss 10, Page 433
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The Regulatory Formation of Mechanical Tissue
Vol 20, Iss 10, Page 441
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Synopsis of North American Amaranthaceæ. IV
Vol 20, Iss 10, Page 449
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Arctic and Alpine Plants
Vol 20, Iss 10, Page 459
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On the Derivation of Linnæan Specific Names
Vol 20, Iss 10, Page 461
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A Day-Blooming Cereus Grandiflorus
Vol 20, Iss 10, Page 462
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Note on Buffalo Grass
Vol 20, Iss 10, Page 464
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Editorial
Vol 20, Iss 10, Page 465
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Current Literature
Vol 20, Iss 10, Page 467
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The Nomenclature Question: Some Points to be Emphasized in the Discussion
Vol 20, Iss 10, Page 468
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Notes and News
Vol 20, Iss 10, Page 470
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Recording Apparatus for the Study of Transpiration of Plants
Vol 20, Iss 11, Page 473
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Contributions from the Cryptogamic Laboratory of Harvard University. XXVIII. New or Peculiar Aquatic Fungi. 2. Gonapodya Fischer and Myrioblepharis, Nov. Gen
Vol 20, Iss 11, Page 477
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Observations on the Development of Uncinula spiralis
Vol 20, Iss 11, Page 486
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Notes from my Herbarium. IV
Vol 20, Iss 11, Page 492
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Root-Tubercles on Ailanthus
Vol 20, Iss 11, Page 496
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Studies Upon Galls
Vol 20, Iss 11, Page 497
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The Combined Effects of Geotropism and Heliotropism
Vol 20, Iss 11, Page 499
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Distribution of the Russian Thistle in North America
Vol 20, Iss 11, Page 501
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Observations Upon the Dissemination of Seeds
Vol 20, Iss 11, Page 502
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Some Western Weeds, and Alien Weeds in the West
Vol 20, Iss 11, Page 503
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Current Literature
Vol 20, Iss 11, Page 505
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The Nomenclature Question: Concerning Homonyms
Vol 20, Iss 11, Page 510
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Decapitalization
Vol 20, Iss 11, Page 511
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Notes and News
Vol 20, Iss 11, Page 512
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New or Peculiar American Zygomycetes. I. Dispira
Vol 20, Iss 12, Page 513
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The Botanical Explorations of Thomas Coulter in Mexico and California
Vol 20, Iss 12, Page 519
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Undescribed Plants from Western Mexico
Vol 20, Iss 12, Page 532
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Undescribed Plants from Guatemala and Other Central American Republics. XVI
Vol 20, Iss 12, Page 538
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Mimicry of Fungi in Insects
Vol 20, Iss 12, Page 547
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Notes on the Sumacs
Vol 20, Iss 12, Page 548
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Note on Aster
Vol 20, Iss 12, Page 549
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Editorial
Vol 20, Iss 12, Page 550
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Current Literature
Vol 20, Iss 12, Page 552
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Botany at the A. A. A. S
Vol 20, Iss 12, Page 554
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Notes and News
Vol 20, Iss 12, Page 555