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A New Genus of the Acanthaceae
Vol 15, Page 1
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A Monograph of the American Species of the Genus Dyschoriste
Vol 15, Page 9
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Studies in the Umbelliferae. I
Vol 15, Page 91
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Concerning the Status of the Genus Laternea
Vol 15, Page 109
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Sources of Energy for Azotobacter, with Special Reference to Fatty Acids
Vol 15, Page 113
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The Effect of Ultra-Violet Radiation Upon Higher Plants
Vol 15, Page 169
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A New Variety of Vernonia Lindheimeri
Vol 15, Page 333
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Dysosma: A New Genus of Berberidaceae
Vol 15, Page 335
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Studies in the Apocynaceae. II. A Revision of the Genus Stemmadenia
Vol 15, Page 341
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Studies in the Apocynaceae. III. A Monograph of the Genus Amsonia
Vol 15, Page 379