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Review of the Juglandaceae in the U. S. S. R
Vol 11, Iss 1, Page 1, Date 1930
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Chromosome Number and Behavior in the Genus Syringa
Vol 11, Iss 1, Page 7, Date 1930
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Chromosome Number in the Genus Forsythia
Vol 11, Iss 1, Page 14, Date 1930
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The woody plants of Siguatepeque, Honduras
Vol 11, Iss 1, Page 15, Date 1930
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Three new plants from Yucatan
Vol 11, Iss 1, Page 47, Date 1930
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Notulae Systematicae Ad Floram Sinensem
Vol 11, Iss 1, Page 48, Date 1930
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New Species and a New Genus from East Africa
Vol 11, Iss 1, Page 50, Date 1930
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Notes on Forest Diseases in Nova Scotia
Vol 11, Iss 1, Page 55, Date 1930
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Notes
Vol 11, Iss 1, Page 59, Date 1930
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The Spontaneous Flora of the Arnold Arboretum
Vol 11, Iss 2, Page 63, Date 1930
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A second supplement to the flora of Barro Colorado Island, Panama
Vol 11, Iss 2, Page 119, Date 1930
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Rhadinopus, a Presumed New Genus of Rubiaceae from New Guinea
Vol 11, Iss 2, Page 129, Date 1930
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Notes
Vol 11, Iss 2, Page 131, Date 1930
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Thuja orientalis and Juniperus chinensis
Vol 11, Iss 3, Page 135, Date 1930
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The Spread and the Control of Phacidium Blight in Spruce Plantations
Vol 11, Iss 3, Page 136, Date 1930
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Chromosomes and Phylogeny in Caprifoliaceae
Vol 11, Iss 3, Page 147, Date 1930
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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, Date 1930
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The Phytophthora Disease of the Calla in America
Vol 11, Iss 3, Page 169, Date 1930
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A Plant Collector's Notes on the New Hebrides and Santa Cruz Islands
Vol 11, Iss 3, Page 172, Date 1930
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Ernest Henry Wilson
Vol 11, Iss 4, Page 181, Date 1930
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A new Arundinaria from China
Vol 11, Iss 4, Page 192, Date 1930
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Chromosome Structure and the Mechanism of Crossing Over
Vol 11, Iss 4, Page 193, Date 1930
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Chromosome Numbers in Quercus
Vol 11, Iss 4, Page 220, Date 1930
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Notulae Systematicae Ad Floram Sinensem, II
Vol 11, Iss 4, Page 224, Date 1930
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A Supplement to J. T. P. Byhouwer, "An Enumeration of the Roses of Yunnan"
Vol 11, Iss 4, Page 228, Date 1930
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Note on Darlingia spectatissima F. V. Muell. With Description of a New Variety
Vol 11, Iss 4, Page 231, Date 1930
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Graft-Blight of Lilac
Vol 11, Iss 4, Page 232, Date 1930
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Notes
Vol 11, Iss 4, Page 233, Date 1930
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Index [Vol. 11]
Vol 11, Iss 4, Page 245, Date 1930
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Errata [vol. 11]
Vol 11, Iss 4, Page 256, Date 1930
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Rhus verniciflua and Japanese Damascene Ware
Vol 12, Iss 1, Page 1, Date 1931
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The Origin and Relationships of the Pomoideae
Vol 12, Iss 1, Page 3, Date 1931
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Cytomyxis
Vol 12, Iss 1, Page 23, Date 1931
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Studies in Ganoderma
Vol 12, Iss 1, Page 25, Date 1931
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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, Date 1931
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A synopsis of Robinsonella
Vol 12, Iss 1, Page 49, Date 1931
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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, Date 1931
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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, Date 1931
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Notes
Vol 12, Iss 2, Page 146, Date 1931
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A Previously Undescribed Pandorea from Northeast Queensland, Australia
Vol 12, Iss 3, Page 149, Date 1931
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Notulae Systematicae Ad Floram Sinensem, III
Vol 12, Iss 3, Page 151, Date 1931
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Conspectus of the Genus Amorpha
Vol 12, Iss 3, Page 157, Date 1931
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On the Occurrence of Casuarina nodiflora Forst. in Australia
Vol 12, Iss 3, Page 197, Date 1931
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Chromosome Numbers in the Ligneous Saxifragaceae
Vol 12, Iss 3, Page 198, Date 1931
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Polyploidy in the Betulaceae
Vol 12, Iss 3, Page 206, Date 1931
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Milesina Rusts on Aspidium Braunii Spenner
Vol 12, Iss 3, Page 218, Date 1931
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Notes
Vol 12, Iss 3, Page 219, Date 1931
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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, Date 1931
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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, Date 1931
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Two Pandanaceae from the New Hebrides Collected By S. F. Kajewski
Vol 12, Iss 4, Page 269, Date 1931
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Notes on Chinese Plants
Vol 12, Iss 4, Page 270, Date 1931
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Notes on the Ligneous Plants Described By H. Léveillé from Eastern Asia
Vol 12, Iss 4, Page 275, Date 1931
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A Study of Chromosome Number in Two Genera of Berberidaceae: Mahonia and Berberis
Vol 12, Iss 4, Page 281, Date 1931
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Chromosomes of Some Hevea Species
Vol 12, Iss 4, Page 287, Date 1931
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Three Species of Botryodiplodia (Sacc.) on Elm Trees in the United States
Vol 12, Iss 4, Page 289, Date 1931
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Notes
Vol 12, Iss 4, Page 296, Date 1931
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Errata and Addenda [vol. 12]
Vol 12, Iss 4, Page 309, Date 1931
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Index [Vol. 12]
Vol 12, Iss 4, Page 311, Date 1931