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Contributions to the Study of the Trypetheliaceae
Vol 27, Page 1, Date 1940
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On the Stelar Anatomy of the Pteridosperms with Particular Reference to the Secondary Wood
Vol 27, Page 51, Date 1940
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A Monograph of the Genus Baptisia
Vol 27, Page 119, Date 1940
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A Revision of the North American Species of the Genus thermopsis
Vol 27, Page 245, Date 1940
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Supplementary Notes on Salvia: Audibertia
Vol 27, Page 259, Date 1940
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Mertensia Drummondii (Lehm.) G. Don
Vol 27, Page 263, Date 1940
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Contributions Toward a Flora of Panama. IV. Miscellaneous Collections, Chiefly by Paul H. Allen
Vol 27, Page 265, Date 1940
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An Attempt to Record Internal Tree-Trunk Pressures
Vol 27, Page 365, Date 1940
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A Monograph of the Genus Calochortus
Vol 27, Page 371, Date 1940