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Irving Widmer Bailey, 1884-1967
Vol 49, Iss 1, Page 1
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Inflorescence in Nannorrhops ritchiana (Palmae)
Vol 49, Iss 1, Page 16
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Harperocallis a new genus of the Liliaceae from Florida
Vol 49, Iss 1, Page 35
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Cytotaxonomy of Illicium floridanum and I. parviflorum (Illiciaceae)
Vol 49, Iss 1, Page 41
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Further Morphological Studies on Anastomoses in the Dichotomous Venation of Circaeaster
Vol 49, Iss 1, Page 52
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A Synopsis of the Asian Species of Delphinium, Sensu stricto
Vol 49, Iss 1, Page 73
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Flowers, Fruits, and Phylogeny of Alangiaceae
Vol 49, Iss 2, Page 167
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Diverse Nodal Types in Rhododendron
Vol 49, Iss 2, Page 193
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A New Hydrangea from Mexico
Vol 49, Iss 2, Page 225
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A Synopsis of the Asian Species of Delphinium, Sensu stricto
Vol 49, Iss 2, Page 233
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Morphology and Anatomy of Croomia pauciflora (Stemonaceae)
Vol 49, Iss 2, Page 260
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Herissantia, Bogenhardia, and Gayoides (Malvaceae)
Vol 49, Iss 2, Page 278
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Jamaican and Other Species of Bumelia (Sapotaceae)
Vol 49, Iss 2, Page 280
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Anatomy of the Palm Rhapis excelsa V. Inflorescence
Vol 49, Iss 3, Page 291
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Anatomy of the Palm Rhapis excelsa VI. Root and Branch Insertion
Vol 49, Iss 3, Page 307
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Comparative Morphological Studies in Dilleniaceae, III. the Carpels
Vol 49, Iss 3, Page 317
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Revision of the Genus Notelaea (Oleaceae)
Vol 49, Iss 3, Page 333
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Comparative Anatomy of the Leaf-Bearing Cactaceae, XVII. Preliminary Observations on the Problem of Transitions from Broad to Terete Leaves
Vol 49, Iss 3, Page 370
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Botanical Name of the Tea Sageretia of China
Vol 49, Iss 3, Page 377
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The Ecology of an Elfin Forest in Puerto Rico, 1. Introduction and Composition Studies
Vol 49, Iss 4, Page 381
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The Ecology of an Elfin Forest in Puerto Rico, 2. the Microclimate of Pico Del Oeste
Vol 49, Iss 4, Page 419
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Studies of Pacific Island Plants, XIX. the Araliaceae of the New Hebrides, Fiji, Samoa, and Tonga
Vol 49, Iss 4, Page 431
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Sorbus and the Problem of Generic Typification
Vol 49, Iss 4, Page 502
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Embryology of Drimys winteri
Vol 49, Iss 4, Page 509
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The Director's Report: the Arnold Arboretum During the Fiscal Year Ended June 30, 1968
Vol 49, Iss 4, Page 525
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Index [Vol. 49]
Vol 49, Iss 4, Page 545