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Comparisons of sexual and apogamous races in the fern genus Pellaea
Vol 70, Page 1
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ON THE NAMES IN FRASER'S 1813 CATALOGUE
Vol 70, Page 25
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A CYTO TAXONOMIC STUDY OF THE HERBACEOUS SPECIES OF SMILAX-M SECTION COPROSMANTHUS
Vol 70, Page 55
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Variation in cone morphology of balsam fir, Abies balsamea
Vol 70, Page 83
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A CYTOTAXONOMIC STUDY IN VERBESINA (COMPOSITAE)
Vol 70, Page 95
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New records of disjunct arctic-alpine plants in Montana
Vol 70, Page 103
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DE PLANTIS TOXICARIIS E MUNDO NOVO TROPICALE COMMENTATIONES II: The vegetal ingredients of the myristicaceous snuffs of the northwest amazon
Vol 70, Page 113
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Najas minor All in North America
Vol 70, Page 161
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Contributions to the flora of Nova Scotia. IX. Habitat studies of Arctic-alpine and boreal disjunct species
Vol 70, Page 176
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Studies of the Byron Bog in southwestern Ontario. XXX. Distribution of orchids in the bog
Vol 70, Page 193
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Contributions to the flora of boreal Saskatchewan
Vol 70, Page 200
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A floristic comparison of lower Cape Cod, Massachusetts and the North Carolina Outer Banks
Vol 70, Page 215
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CHROMOSOME NUMBERS IN SOME BRAZILIAN COMPOSITAE-D
Vol 70, Page 228
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Status of the genus Cymophora (Compositae) [Tridax oligantha]
Vol 70, Page 241
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A cytotaxonomic study of the herbaceous species of Smilax: Section Coprosmanthus. [Smilax illinoensis sp. nov.]
Vol 70, Page 247
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New England salt marsh Vaucheriae
Vol 70, Page 274
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Developmental variability of Cornus canadensis in northern New England
Vol 70, Page 278
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MAUD H PURDY 1874-1965 BOTANICAL ILLUSTRATOR USA
Vol 70, Page 283
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ANOTHER NOTE ON SAGEBRUSH TAXONOMY
Vol 70, Page 286
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Solidago gymnospermoides in Illinois
Vol 70, Page 287
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The diagnostic value of fresh mature drupes of Viburnum recognitum and V. dentatum
Vol 70, Page 288
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A range extension for Hudsonia ericoides in the southeastern United States
Vol 70, Page 289
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2 NATURALLY OCCURRING ABNORMALITIES OF THE DIATOM PODOCYSTIS-ADRIATICA
Vol 70, Page 292
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A case of albinism and of presumptive self-compatibility in Ulmus L
Vol 70, Page 294
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Note on Corydalis bulbosa [nomenclature]
Vol 70, Page 296
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Alyssum (Cruciferae) introduced in North America
Vol 70, Page 298
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APPLICATION OF THE NAME, HETEROTHECA VISCIDA
Vol 70, Page 301
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Allium ampeloprasum L. in Alabama
Vol 70, Page 303
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Chaff on the receptacle of Solidago juncea
Vol 70, Page 304
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The status of Hedyotis procumbens var. Hirsuta (Rubia-ceae)
Vol 70, Page 306
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SOME IMPACTS OF SPRUCES AMAZON EXPLORATIONS ON MODERN PHYTOCHEMICAL RESEARCH
Vol 70, Page 313
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THE SPORES OF 4 SPECIES OF SPINULOSE WOOD FERNS-P DRYOPTERIS-P IN EASTERN NORTH AMERICA
Vol 70, Page 340
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A MONOGRAPH OF THE GENUS RATIBIDA-D KEY
Vol 70, Page 348
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PLANT SPECIATION ASSOCIATED WITH GRANITE OUTCROP COMMUNITIES OF THE SOUTHEASTERN PIEDMONT
Vol 70, Page 394
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A NEW SPECIES OF PHYSALIS-GALAPAGOENSIS-D FROM THE GALAPAGOS ISLANDS
Vol 70, Page 408
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A FREEZE DRY TECHNIQUE FOR THE PLANT COLLECTOR
Vol 70, Page 410
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Notes on Rocky Mountain carices
Vol 70, Page 419
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BOOK REVIEW
Vol 70, Page 422
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BIOGRAPHY OF THOMAS NUTTALL A REVIEW WITH BIBLIOGRAPHY PLANT NATURALIST
Vol 70, Page 429
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THE LINUM BAHAMENSE COMPLEX
Vol 70, Page 439
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SEASONAL OCCURRENCE AND ECOLOGY OF SALT MARSH PHANEROGAMS AT IPSWICH MASSACHUSETTS USA
Vol 70, Page 442
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SPOROBOLUS TEXANUS VASEY IN LINCOLN, NEBRASKA
Vol 70, Page 450
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RANGE EXTENSION OF MUHLENBERGIA SOBOLIFERA IN NEW HAMPSHIRE
Vol 70, Page 452
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A NEW FORM OF MYRICA-PENSYLVANICA-D
Vol 70, Page 453
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A YELLOW-CENTERED FORM OF HELENIUM NUDIFLORUM
Vol 70, Page 454
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TWO EUPATORIUM SPECIES NEW TO CONNECTICUT
Vol 70, Page 455
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JOHN GOLDIE AND THE RE PUBLICATION OF HIS DIARY BOTANIST
Vol 70, Page 457
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A CASE OF MISTAKEN IDENTITY, OR THE MYSTERIOUS C. E. LLOYD
Vol 70, Page 462
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HYBRIDIZATION WITHIN THE TRITTICEAE-M OF ALASKA USA A NEW X ELYHORDEUM-M AND COMMENTS
Vol 70, Page 467
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GENERIC CONSIDERATIONS CONCERNING CARPHEPHORUS AND TRILISA (COMPOSITAE)
Vol 70, Page 474
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SPIRANTHES OVALIS. NEW FOR KANSAS
Vol 70, Page 485
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AN EXAMPLE OF A VERNONIA-D HYBRID IN A DISTURBED HABITAT
Vol 70, Page 486
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WOLFFIA IN NEW HAMPSHIRE
Vol 70, Page 491
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Leguminosae of Mexico-Faboideae I. Sophoreae and Podalyrieae
Vol 70, Page 492
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EVIDENCE FOR THE HYBRID ORIGIN OF PETASITES-WARRENII-D AND PETASITES-VITIFOLIUS-D
Vol 70, Page 533
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BIOMETRIC AND PLANT TAXONOMIC USES OF CELLULOSE ACETATE PLASTIC
Vol 70, Page 552
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A REVERSION IN POLYMNIA-CANADENSIS-D COMPOSITAE-D AND NOTES ON THE PEDICELLATE DISC FLORETS IN THE GENUS
Vol 70, Page 559
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A 'PILLAR'-TYPE BLACK SPRUCE
Vol 70, Page 562
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Notes on Festuca arundinacea and Festuca pratensis in the Unitesd States
Vol 70, Page 564
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OCCURRENCE OF MURDANNIA SPIRATA IN FLORIDA
Vol 70, Page 571
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EMENDATIONS IN UNITED STATES PHYSALIS
Vol 70, Page 574
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ALISMA GRAMINEUM IN VERMONT
Vol 70, Page 577
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VOLUME 70 1968 Errata for RHODORA
Vol 70, Page 580