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Review of the Juglandaceae in the U. S. S. R
Vol 11, Iss 1, Page 1
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Chromosome Number and Behavior in the Genus Syringa
Vol 11, Iss 1, Page 7
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Chromosome Number in the Genus Forsythia
Vol 11, Iss 1, Page 14
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The woody plants of Siguatepeque, Honduras
Vol 11, Iss 1, Page 15
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Three new plants from Yucatan
Vol 11, Iss 1, Page 47
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Notulae Systematicae Ad Floram Sinensem
Vol 11, Iss 1, Page 48
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New Species and a New Genus from East Africa
Vol 11, Iss 1, Page 50
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Notes on Forest Diseases in Nova Scotia
Vol 11, Iss 1, Page 55
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Notes
Vol 11, Iss 1, Page 59
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The Spontaneous Flora of the Arnold Arboretum
Vol 11, Iss 2, Page 63
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A second supplement to the flora of Barro Colorado Island, Panama
Vol 11, Iss 2, Page 119
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Rhadinopus, a Presumed New Genus of Rubiaceae from New Guinea
Vol 11, Iss 2, Page 129
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Notes
Vol 11, Iss 2, Page 131
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Thuja orientalis and Juniperus chinensis
Vol 11, Iss 3, Page 135
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The Spread and the Control of Phacidium Blight in Spruce Plantations
Vol 11, Iss 3, Page 136
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Chromosomes and Phylogeny in Caprifoliaceae
Vol 11, Iss 3, Page 147
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New Species, Varieties and Combinations from the Herbarium and the Collections of the Arnold Arboretum
Vol 11, Iss 3, Page 153
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The Phytophthora Disease of the Calla in America
Vol 11, Iss 3, Page 169
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A Plant Collector's Notes on the New Hebrides and Santa Cruz Islands
Vol 11, Iss 3, Page 172
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Ernest Henry Wilson
Vol 11, Iss 4, Page 181
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A new Arundinaria from China
Vol 11, Iss 4, Page 192
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Chromosome Structure and the Mechanism of Crossing Over
Vol 11, Iss 4, Page 193
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Chromosome Numbers in Quercus
Vol 11, Iss 4, Page 220
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Notulae Systematicae Ad Floram Sinensem, II
Vol 11, Iss 4, Page 224
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A Supplement to J. T. P. Byhouwer, "An Enumeration of the Roses of Yunnan"
Vol 11, Iss 4, Page 228
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Note on Darlingia spectatissima F. V. Muell. With Description of a New Variety
Vol 11, Iss 4, Page 231
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Graft-Blight of Lilac
Vol 11, Iss 4, Page 232
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Notes
Vol 11, Iss 4, Page 233
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Index [Vol. 11]
Vol 11, Iss 4, Page 245
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Errata [vol. 11]
Vol 11, Iss 4, Page 256
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Rhus verniciflua and Japanese Damascene Ware
Vol 12, Iss 1, Page 1
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The Origin and Relationships of the Pomoideae
Vol 12, Iss 1, Page 3
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Cytomyxis
Vol 12, Iss 1, Page 23
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Studies in Ganoderma
Vol 12, Iss 1, Page 25
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Pteridophytes Collected For the Arnold Arboretum on Vanikoro, Santa Cruz Islands, By S. F. Kajewski
Vol 12, Iss 1, Page 46
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A synopsis of Robinsonella
Vol 12, Iss 1, Page 49
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New Species, Varieties and Combinations from the Herbarium and the Collections of the Arnold Arboretum
Vol 12, Iss 1, Page 59
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Graft-Blight: a Disease of Lilac Related to the Employment of Certain Understocks in Propagation
Vol 12, Iss 2, Page 79
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Notes
Vol 12, Iss 2, Page 146
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A Previously Undescribed Pandorea from Northeast Queensland, Australia
Vol 12, Iss 3, Page 149
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Notulae Systematicae Ad Floram Sinensem, III
Vol 12, Iss 3, Page 151
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Conspectus of the Genus Amorpha
Vol 12, Iss 3, Page 157
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On the Occurrence of Casuarina nodiflora Forst. in Australia
Vol 12, Iss 3, Page 197
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Chromosome Numbers in the Ligneous Saxifragaceae
Vol 12, Iss 3, Page 198
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Polyploidy in the Betulaceae
Vol 12, Iss 3, Page 206
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Milesina Rusts on Aspidium Braunii Spenner
Vol 12, Iss 3, Page 218
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Notes
Vol 12, Iss 3, Page 219
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Contribution to the Flora of the New Hebrides: Plants Collected By S. F. Kajewski in 1928 and 1929
Vol 12, Iss 4, Page 221
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Four New Palms Collected in the Territory of Papua (British New Guinea) By L. J. Brass
Vol 12, Iss 4, Page 264
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Two Pandanaceae from the New Hebrides Collected By S. F. Kajewski
Vol 12, Iss 4, Page 269
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Notes on Chinese Plants
Vol 12, Iss 4, Page 270
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Notes on the Ligneous Plants Described By H. Léveillé from Eastern Asia
Vol 12, Iss 4, Page 275
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A Study of Chromosome Number in Two Genera of Berberidaceae: Mahonia and Berberis
Vol 12, Iss 4, Page 281
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Chromosomes of Some Hevea Species
Vol 12, Iss 4, Page 287
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Three Species of Botryodiplodia (Sacc.) on Elm Trees in the United States
Vol 12, Iss 4, Page 289
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Notes
Vol 12, Iss 4, Page 296
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Errata and Addenda [vol. 12]
Vol 12, Iss 4, Page 309
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Index [Vol. 12]
Vol 12, Iss 4, Page 311