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Errata [no. 26-49]
Iss 25, Page 8, Date 1903
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A revision of the genus Flaveria
Iss 26, Page 279, Date 1903
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Diagnoses and synonymy of some Mexican and Central American Eupatoriums
Iss 27, Page 247, Date 1904
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Synopsis of the Mikanias of Costa Rica
Iss 27, Page 254, Date 1904
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Notes on the genus Mimosa in Mexico and Central America
Iss 27, Page 257, Date 1904
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Notes on some Polygonums of western North America
Iss 27, Page 261, Date 1904
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New Spermatophytes of Mexico and Central America
Iss 27, Page 265, Date 1904
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Revision of the genus Sabazia
Iss 28, Page 3, Date 1904
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Revision of the Mexican and Central American species of Trixis
Iss 28, Page 6, Date 1904
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Revision of the Mexican and Central American species of Hieracium
Iss 28, Page 14, Date 1904
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Synopsis of the Mexican and Central American species of Alnus
Iss 28, Page 24, Date 1904
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Diagnoses and synonymy of Mexican and Central American Spermatophytes
Iss 28, Page 28, Date 1904
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Some new species of Mexican and Nicaraguan Dicotyledons
Iss 28, Page 52, Date 1904
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New plants from the islands of Margarita and Coche, Venezuela
Iss 29, Page 683, Date 1905
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A revision of the genus Zexmenia
Iss 30, Page 143, Date 1905
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Descriptions of Spermatophytes from the southwestern United States, Mexico, and Central America
Iss 31, Page 235, Date 1905
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Diagnoses and notes relating to American Eupatorieae
Iss 31, Page 271, Date 1905
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Studies in the Eupatorieae
Iss 32, Page 3, Date 1906
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Revision of the genus Spilanthes
Iss 33, Page 521, Date 1907
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New species of Senecio and Schoenocaulon from Mexico
Iss 34, Page 19, Date 1907
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New or otherwise noteworthy Spermatophytes, chiefly from Mexico
Iss 34, Page 21, Date 1907
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New plants from Guatemala and Mexico, collected chiefly by C. C. Deam
Iss 34, Page 48, Date 1907
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Diagnoses of new Spermatophytes from Mexico
Iss 34, Page 61, Date 1907
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The soil preferences of certain alpine and subalpine plants
Iss 35, Page 149, Date 1907
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Synopsis of the Mexican and Central American species of Castilleja
Iss 36, Page 563, Date 1909
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A revision of the genus Rumfordia
Iss 36, Page 592, Date 1909
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A synopsis of the American species of Litsea
Iss 36, Page 597, Date 1909
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Some undescribed species of Mexican Phanerogams
Iss 36, Page 603, Date 1909
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Notes on Mexican and Central American Alders
Iss 36, Page 609, Date 1909
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Diagnoses and transfers of tropical American Phanerogams
Iss 36, Page 613, Date 1909
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The purple-flowered Androcerae of Mexico and the southern United States
Iss 36, Page 627, Date 1909
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Descriptions of Mexican Phanerogams
Iss 36, Page 630, Date 1909
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Flora of the islands of Margarita and Coche, Venezuela
Iss 37, Page 163, Date 1909
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A preliminary synopsis of the genus Echeandia
Iss 38, Page 387, Date 1910
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Spermatophytes, new or reclassified, chiefly Rubiaceae and Gentianaceae
Iss 38, Page 394, Date 1910
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American forms of Lycopodium complanatum
Iss 38, Page 412, Date 1910
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New and little known Mexican plants, chiefly Labiatae
Iss 38, Page 415, Date 1910
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Mexican Phanerogams -- notes and new species
Iss 38, Page 422, Date 1910
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On the classification of certain Eupatorieae
Iss 39, Page 191, Date 1911
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Revision of the genus Barroetea
Iss 39, Page 202, Date 1911
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On some hitherto undescribed or misplaced Compositae
Iss 39, Page 206, Date 1911