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Kalmiopsis, a New Genus of Ericaceae from Northwest America
Volume 13, Page 30
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DIAXYLARY LATICIFEROUS CELLS OF BEAUMONTIA GRANDIFLORA
Volume 13, Page 35
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CHROMOSOME NUMBERS AND THE ANATOMY OF THE SECONDARY XYLEM IN THE OLEACEAE
Volume 13, Page 37
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CHROMOSOME NUMBERS IN THE GENUS TILIA
Volume 13, Page 49
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STUDIES ON THE PRECIPITIN REACTION IN PLANTS: I. THE SPECIFICITY OF THE NORMAL PRECIPITIN REACTION
Volume 13, Page 52
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THE OCCURRENCE IN THE UNITED STATES OF CRYPTOCOCCUS FAGI (BAER) DOUGL., THE INSECT FACTOR IN A MENACING DISEASE OF BEECH
Volume 13, Page 75
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CONTRIBUTION TO THE FLORA OF THE NEW HEBRIDES: PLANTS COLLECTED BY S. F. KAJEWSKI IN 1928 AND 1929
Volume 13, Page 81
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CONTRIBUTION TO THE FLORA OF THE NEW HEBRIDES AND SANTA CRUZ ISLANDS: ORCHIDS COLLECTED BY S. F. KAJEWSKI IN 1928 AND 1929
Volume 13, Page 127
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A NEW GENUS OF THE ORCHIDACEAE FROM THE NEW HEBRIDES
Volume 13, Page 142
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SYNOPSIS OF THE CHINESE SPECIES OF JASMINUM
Volume 13, Page 145
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THE CYTOLOGICAL MECHANISM OF CROSSING OVER
Volume 13, Page 180
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CONTRIBUTIONS TO THE TRADESCANTIA PROBLEM
Volume 13, Page 213
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A COMPARATIVE STUDY OF THREE PHYTOPHTHORA DISEASES OF LILAC AND OF THEIR PATHOGENS
Volume 13, Page 232
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PARASITISM OF MYXOMYCETE PLASMODIA ON THE SPOROPHORES OF HYMENOMYCETES
Volume 13, Page 270
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STUDIES ON THE PRECIPITIN REACTION IN PLANTS: II. PRELIMINARY REPORT ON THE NATURE OF THE "NORMAL PRECIPITIN REACTION"
Volume 13, Page 285
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NOTES ON SOME CHINESE PLANTS
Volume 13, Page 297
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A PREVIOUSLY UNDESCRIBED VARIETY OF LORANTHUS VITELLINUS F. v. MUELL. FROM NORTH QUEENSLAND
Volume 13, Page 298
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NOTES ON THE LIGNEOUS PLANTS DESCRIBED BY LÉVEILLÉ FROM EASTERN ASIA
Volume 13, Page 299
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NOTULAE SYSTEMATICAE AD FLORAM SINENSEM IV
Volume 13, Page 333
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NEW SPECIES, VARIETIES AND COMBINATIONS FROM THE HERBARIUM AND THE COLLECTIONS OF THE ARNOLD ARBORETUM
Volume 13, Page 337
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THE CRATAEGUS PROBLEM
Volume 13, Page 342
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CHROMOSOME RELATIONSHIPS IN THE POMOIDEAE
Volume 13, Page 363
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CHROMOSOME PAIRING IN LARIX SPECIES
Volume 13, Page 368
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MEIOSIS AND CHIASMA FORMATION IN PÆONIA SUFFRUTICOSA
Volume 13, Page 375
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ENUMERATION OF THE LIGNEOUS PLANTS COLLECTED BY J. F. ROCK ON THE ARNOLD ARBORETUM EXPEDITION TO NORTHWESTERN CHINA AND NORTHEASTERN TIBET (Additions and Continuation)
Volume 13, Page 385
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CYTOLOGICAL STUDIES OF CORNUS
Volume 13, Page 410
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LEAVES FROM A COLLECTOR'S NOTE BOOK
Volume 13, Page 417
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PARASITISM OF MYXOMYCETE PLASMODIA ON FUNGOUS MYCELIA
Volume 13, Page 438
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The Arnold Arboretum during the Fiscal year ended June 30, 1932
Volume 13, Page 447
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INDEX
Volume 13, Page 465
