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PREHISTORIC BEAN REMAINS FROM CAVES IN THE OCAMPO REGION OF TAMAULIPAS, MEXICO
Volume 19, Page 33
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CYTOLOGICAL OBSERVATIONS ON TWO TROPICAL FORMS OF TRIPSACUM
Volume 19, Page 97
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PRESTONIA: AN AMAZON NARCOTIC OR NOT?
Volume 19, Page 109
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A REPUTEDLY TOXIC MALOUETIA FROM THE AMAZON
Volume 19, Page 123
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HOW WERE THE GLASS FLOWERS MADE?
Volume 19, Page 125
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THE HALLUCINOGENIC FUNGI OF MEXICO: An Inquiry into the Origins of the Religious Idea among Primitive Peoples
Volume 19, Page 137
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FURTHER ARCHAEOLOGICAL EVIDENCE ON THE EFFECTS OF TEOSINTE INTROGRESSION IN THE EVOLUTION OF MODERN MAIZE
Volume 19, Page 163
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NEONELSONIA—A COLOMBIAN FOLK MEDICINE
Volume 19, Page 191
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NOVELTIES IN THE ORCHID FLORA OF THE GUAYANA HIGHLANDS
Volume 19, Page 195
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EDIBLE FRUITS OF SOLANUM IN SOUTH AMERICAN HISTORIC AND GEOGRAPHIC REFERENCES
Volume 19, Page 215
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EDIBLE FRUITS OF SOLANUM IN COLOMBIA
Volume 19, Page 235
