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Studies in the Boraginaceae, XII
Vol 18, Iss 1, Page 1
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Notes on the Ligneous Plants Described By H. Leveille from Eastern Asia
Vol 18, Iss 1, Page 26
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The Chinese species described in Meyen's "Observationes Botanicae" (Beitärge zur Botanik)
Vol 18, Iss 1, Page 54
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Recent Changes of Climate and Vegetation in Southern New England and Adjacent New York
Vol 18, Iss 2, Page 79
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Studies in Theaceae. II Cleyera
Vol 18, Iss 2, Page 118
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New Names in Timonius
Vol 18, Iss 2, Page 130
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Notes on North American Trees and Shrubs
Vol 18, Iss 2, Page 133
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Chrysomyxa empetri -- a Spruce-Infecting Rust
Vol 18, Iss 2, Page 141
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Control of the Gymnosporangium Rusts By Means of Sulphur Sprays
Vol 18, Iss 2, Page 149
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Stomata Size and Distribution in Diploid and Polyploid Plants
Vol 18, Iss 2, Page 164
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On the Technique of Inserting Published Data in the Herbarium
Vol 18, Iss 2, Page 173
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Bibliographical Notes
Vol 18, Iss 2, Page 183
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The Orientation of Cellulose in the Secondary Wall of Tracheary Cells
Vol 18, Iss 3, Page 185
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The Significance of Certain Wood-Destroying Fungi in the Study of the Enzymatic Hydrolysis of Cellulose
Vol 18, Iss 3, Page 196
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Notes on the Ligneous Plants Described By H. Leveille from Eastern Asia
Vol 18, Iss 3, Page 206
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Bibliographical Notes
Vol 18, Iss 3, Page 258
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The Structural Variability of the Secondary Wall as Revealed by "Lignin" Residues
Vol 18, Iss 4, Page 261
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Notes on the Ligneous Plants Described By H. Leveille from Eastern Asia
Vol 18, Iss 4, Page 273
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Reinstatement and Revision of Cleistocalyx blume (Including Acicalyptus A. Gray), a Valid Genus of the Myrtaceae
Vol 18, Iss 4, Page 322
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Phytophthora Crown Rot of Dogwood
Vol 18, Iss 4, Page 344
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The Arnold Arboretum During the Fiscal Year Ended June 30, 1937
Vol 18, Iss 4, Page 349
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Corrections
Vol 18, Iss 4, Page 361
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Index [Vol. 18]
Vol 18, Iss 4, Page 363