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Comparative Morphological Studies in Dilleniaceae, I. Wood Anatomy
Vol 48, Iss 1, Page 1
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A synopsis of African species of Delphinium and Consolida
Vol 48, Iss 1, Page 30
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Floral biology and systematics of Eucnide (Loasaceae)
Vol 48, Iss 1, Page 56
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The Genus Duabanga
Vol 48, Iss 1, Page 89
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Studies in Swietenia (Meliaceae): Observations on the Sexuality of the Flowers
Vol 48, Iss 1, Page 101
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Some Problems of Tropical Plant Ecology
Vol 48, Iss 2, Page 105
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Anatomy of the Palm Rhapis excelsa, IV. Vascular Development in Apex of Vegetative Aerial Axis and Rhizome
Vol 48, Iss 2, Page 122
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Two New American Palms
Vol 48, Iss 2, Page 143
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Nomenclatural Notes on Gossypium (Malvaceae)
Vol 48, Iss 2, Page 152
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A synopsis of the Asian species of Consolida (Ranunculaceae)
Vol 48, Iss 2, Page 159
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Preliminary Investigations of Hymenaea courbaril as a Resin Producer
Vol 48, Iss 3, Page 203
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Comparative Morphological Studies in Dilleniaceae, II. the Pollen
Vol 48, Iss 3, Page 231
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The Chromosomes of Austrobaileya
Vol 48, Iss 3, Page 241
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Coronanthera grandis (Gesneriaceae) a new species from the Solomon Islands
Vol 48, Iss 3, Page 245
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A Synopsis of the Asian Species of Delphinium, Sensu stricto
Vol 48, Iss 3, Page 249
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The genera of Euphorbiaceae in the southeastern United States [prim.]
Vol 48, Iss 3, Page 303
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The Genera of Euphorbiaceae in the Southeastern United States [concl.]
Vol 48, Iss 4, Page 363
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Freeman and Custis' Account of the Red River Expedition of 1806, an Overlooked Publication of Botanical Interest
Vol 48, Iss 4, Page 431
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A Revision of the Genus Lunasia (Rutaceae)
Vol 48, Iss 4, Page 460
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A Synopsis of the Asian Species of Delphinium, Sensu stricto
Vol 48, Iss 4, Page 476
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The Directors's Report: The Arnold Arboretum During the Fiscal Year Ended June 30, 1967
Vol 48, Iss 4, Page 546
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Index [Vol. 48]
Vol 48, Iss 4, Page 570