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Introduction
Vol 51, Iss 4, Page 3, Date 1991
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Asa Gray and His Quest for Shortia galacifolia
Vol 51, Iss 4, Page 4, Date 1991
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Metasequoia, Another 'Living Fossil'
Vol 51, Iss 4, Page 12, Date 1991
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Reminiscences of Collecting the Type Specimens of Metasequoia glyptostroboides
Vol 51, Iss 4, Page 17, Date 1991
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On the History of the Introduction of Woody Plants into North America
Vol 51, Iss 4, Page 22, Date 1991
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Hamamelis 'Arnold Promise'
Vol 51, Iss 4, Page 30, Date 1991
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The Forsythia Story
Vol 51, Iss 4, Page 34, Date 1991
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Buckleya- The Oldest Cultivated Plant in the Arnold Arboretum
Vol 51, Iss 4, Page 38, Date 1991
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The Allegheny Pachysandra
Vol 51, Iss 4, Page 43, Date 1991
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Notes on Persimmons, Kakis, Date Plums, and Chapotes
Vol 51, Iss 4, Page 47, Date 1991
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In Praise of the American Smoke Tree
Vol 51, Iss 4, Page 55, Date 1991
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Elliottia racemosa and Its Propagation
Vol 51, Iss 4, Page 59, Date 1991
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Propagating Leatherwood: A Lesson in Humility
Vol 51, Iss 4, Page 63, Date 1991
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Index to Volume 51
Vol 51, Iss 4, Page 67, Date 1991