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Chimó: an Unusual Form of Tobacco in Venezuela
Vol 23, Iss 1, Page 1
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Latua Pubiflora: Magic Plant from Southern Chile
Vol 23, Iss 2, Page 61
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Charles Schweinfurth 1890-1970. An Appreciation
Vol 23, Iss 2, Page 93
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The Death of Claudius Or Mushrooms For Murderers
Vol 23, Iss 3, Page 101
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De Plantis Toxicariis E Mundo Novo Tropicale Commentationes IX: A New Species of Ichthyotoxic Plant from the Amazon
Vol 23, Iss 3, Page 129
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De Plantis Toxicariis E Mundo Novo Tropicale Commentationes X: New Data on the Malpighiaceous Narcotics of South America
Vol 23, Iss 3, Page 137
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On the Systematics of the Monopodial Orchids I
Vol 23, Iss 4, Page 149
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The Claudius Case
Vol 23, Iss 5, Page 213
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Four New Brunfelsias from Northwestern South America
Vol 23, Iss 6, Page 245
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Generic Recognition of Brugmansia
Vol 23, Iss 6, Page 273
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A New Spiranthes from the Grasslands of Central North America
Vol 23, Iss 7, Page 285
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Studies in American Orchids IX
Vol 23, Iss 7, Page 299
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The Role of 'Flowers' in Nahuatl Culture: a Suggested Interpretation
Vol 23, Iss 8, Page 305
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Typification of Cannabis sativa L
Vol 23, Iss 9, Page 325
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Cannabis: an Example of Taxonomic Neglect
Vol 23, Iss 9, Page 337
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On the Systematics of the Monopodial Orchids II
Vol 23, Iss 10, Page 369
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Swartz Flora Indiae Occidentalis Volume III
Vol 23, Iss 10, Page 375