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Studies in the Boraginaceae,--II
Iss 70, Page 3, Date 1924
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Taxonomic records concerning American Spermatophytes
Iss 70, Page 61, Date 1924
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Notes on North American Scutellarias
Iss 71, Page 61, Date 1924
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Polystichum mohrioides and some other Subantarctic or Andean plants in the Northern Hemisphere
Iss 72, Page 89, Date 1924
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The dwarf Antennarias of northeastern America
Iss 72, Page 95, Date 1924
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The eastern American representatives of Arnica alpina
Iss 72, Page 103, Date 1924
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Some Senecios of eastern Quebec and Newfoundland
Iss 72, Page 113, Date 1924
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New or recently restudied plants of eastern America
Iss 72, Page 122, Date 1924
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Records preliminary to a general treatment of the Eupatorieae,--IV
Iss 73, Page 3, Date 1924
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New plants of Portuguese West Africa collected by Mrs. Richard C. Curtis
Iss 73, Page 31, Date 1924
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On some South American Proteaceae
Iss 73, Page 41, Date 1924
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Studies in the Boraginaceae.--III
Iss 73, Page 42, Date 1924
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Studies in the Boraginaceae. --IV. The North American species of Cryptantha
Iss 74, Page 3, Date 1925
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Records preliminary to a general treatment of the Eupatorieae,--V
Iss 75, Page 3, Date 1925
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The Oenotheras of northwestern South America
Iss 75, Page 15, Date 1925
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Further new plants collected by Mrs. Richard C. Curtis in tropical Africa
Iss 75, Page 23, Date 1925
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Some undescribed American Spermatophytes
Iss 75, Page 27, Date 1925
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Studies in the Boraginaceae.--V
Iss 75, Page 40, Date 1925
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Two summers of Botanizing in Newfoundland
Iss 76, Page 49, Date 1926
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Records preliminary to a general treatment of the Eupatorieae,-- vi
Iss 77, Page 1, Date 1926
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Studies in the Boraginaceae. --VI. a revision of the South American Boraginoideae
Iss 78, Page 3, Date 1927
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Geocaulon, a new genus of the Santalaceae
Iss 79, Page 21, Date 1928
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The American and eastern Asiatic Beckmannia
Iss 79, Page 24, Date 1928
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The eastern American variety of Polystichum braunii
Iss 79, Page 28, Date 1928
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The American representatives of Asplenium ruta-muraria
Iss 79, Page 37, Date 1928
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The eastern American occurrence of Athyrium alpestre
Iss 79, Page 44, Date 1928
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Primula and Farinosae in America
Iss 79, Page 59, Date 1928
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Records preliminary to a general treatment of the Eupatorieae--vii
Iss 80, Page 1, Date 1928