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A New Gilia
Vol 38, Iss 1, Page 71
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Carl Schumann
Vol 38, Iss 2, Page 143
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The Development and Relationship of Monoclea
Vol 38, Iss 3, Page 185
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On the Spores of Certain Coniferae
Vol 38, Iss 3, Page 206
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A Lichen Society of a Sandstone Riprap
Vol 38, Iss 4, Page 265
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Oogenesis and Fertilization in Albugo Ipomoeae-panduranae
Vol 38, Iss 4, Page 300
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Place-Constants for Aster Prenanthodies
Vol 38, Iss 5, Page 333
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A New Sheep-Poison from Mexico
Vol 38, Iss 5, Page 376
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Some Western Species of Agropyron
Vol 38, Iss 5, Page 378
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The Variation of Some California Plants
Vol 38, Iss 6, Page 401
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Klinostats and Centrifuges for Physiological Research
Vol 38, Iss 6, Page 427
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New or Unreported Plants from Southern California
Vol 38, Iss 6, Page 459