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The Structure of the Wood in the Pineae
Vol 48, Iss 1, Page 47, Date 1909
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Chemotaxis of Lycopodium Sperms
Vol 48, Iss 1, Page 76, Date 1909
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Light Perception
Vol 48, Iss 1, Page 79, Date 1909
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Some Hitherto Undescribed Plants from Oregon
Vol 48, Iss 2, Page 146, Date 1909
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Preliminary Account of the Ovule, Gametophytes, and Embryo of Widdringtonia cupressoides
Vol 48, Iss 3, Page 161, Date 1909
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On the Demonstration of the Formation of Starch in Leaves
Vol 48, Iss 3, Page 224, Date 1909
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Mycorhiza
Vol 48, Iss 3, Page 237, Date 1909
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The Modifiability of Transpiration in Young Seedlings
Vol 48, Iss 4, Page 275, Date 1909
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A Remarkable Amanita
Vol 48, Iss 4, Page 283, Date 1909
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Undescribed Plants from Guatemala and Other Central American Republics. XXXII
Vol 48, Iss 4, Page 294, Date 1909
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New Normal Appliances for Use in Plant Physiology. V
Vol 48, Iss 4, Page 301, Date 1909
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Ovule of Julianiaceae
Vol 48, Iss 4, Page 320, Date 1909
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Some Fungus Parasites of Algae
Vol 48, Iss 5, Page 321, Date 1909
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Cytology of Cutleria and Aglaozonia. A Preliminary Paper
Vol 48, Iss 5, Page 380, Date 1909
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Oxygen Pressure and the Germination of Xanthium Seeds. A Preliminary Report
Vol 48, Iss 5, Page 387, Date 1909
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Current Taxonomic Literature
Vol 48, Iss 5, Page 395, Date 1909
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Corn Breeding
Vol 48, Iss 5, Page 396, Date 1909
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Roezl and the Type of Washingtonia
Vol 48, Iss 6, Page 462, Date 1909
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Longevity of Seeds
Vol 48, Iss 6, Page 463, Date 1909
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Anatomy of Zamia
Vol 48, Iss 6, Page 475, Date 1909
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Graft Hybrids
Vol 48, Iss 6, Page 478, Date 1909