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CYANEA-CARTSONII-D AND THE UNNATURAL DISTRIBUTION OF SPHAGNUM-PALUSTRE
Vol 19, Page 1, Date 1969
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M PART 24
Vol 19, Page 5, Date 1969
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STUDIES IN THE EQUITANT ONCIDIUMS-M PART 4
Vol 19, Page 52, Date 1969
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Studies in the equitant Oncidiums. V
Vol 19, Iss 1, Page 54, Date 1969
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Quercus shumardii var. stenocarpa Laughlin, stenocarp shumard oak
Vol 19, Iss 2, Page 57, Date 1969
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Additional notes on the Eriocaulaceae. XXV
Vol 19, Page 65, Date 1969
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Supplementary notes on the American species of Erythrina. III
Vol 19, Iss 3, Page 113, Date 1969
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Supplementary notes on the American species of Strychnos - X
Vol 19, Page 176, Date 1969
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Two varietal transfers in Carya (Hickory)
Vol 19, Page 186, Date 1969
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Certamen Melastomataceis XIV
Vol 19, Page 191, Date 1969
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A NEW SPECIES OF LANTANA-D FROM VENEZUELA
Vol 19, Page 199, Date 1969
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Studies in the Eupatorieae (Compositae)---XVIII. New combinations in Fleischmannia
Vol 19, Page 201, Date 1970
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Studies in the Eupatorieae (Compositae) XIX. New combinations in Ageratina
Vol 19, Page 208, Date 1970
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M PART 26
Vol 19, Page 230, Date 1970
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New tree species from Esmeraldas, Ecuador
Vol 19, Page 251, Date 1970
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PRELIMINARY STUDIES OF PITCAIRNIA-M IN THE EASTERN CARIBBEAN
Vol 19, Page 270, Date 1970
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Notes on Bromeliaceae, XXX
Vol 19, Page 281, Date 1970
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Talauma colombiana sp. nov
Vol 19, Iss 4, Page 291, Date 1970
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Studies in the Eupatorieae (Compositae). XII. A new genus, Shinnersia
Vol 19, Page 297, Date 1970
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Studies in the Eupatorieae (Compositae) XIII. The genus Conoclinium
Vol 19, Page 299, Date 1970
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Studies in the Eupatoricae (Compositae). XIV. Another example of dimorphic pollen!
Vol 19, Iss 5, Page 301, Date 1970
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Studies in the Eupatoricae (Compositae). XX. New combinations in Spaniopappus
Vol 19, Iss 5, Page 303, Date 1970
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Studies in the Eupatoricae (Compositae). XXI. A new genus, Neomirandea
Vol 19, Iss 5, Page 305, Date 1970
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Dentella repens and Hidyolis corymbosa
Vol 19, Iss 5, Page 311, Date 1970
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A NEW COMBINATION IN DIOSTEA-D AND A NEW VARIETY OF LIPPIA-D
Vol 19, Page 319, Date 1970
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M PART 27
Vol 19, Page 320, Date 1970
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NEW TAXA AND NOTES ON THE SCROPHULARIACEAE-D OF PERU
Vol 19, Page 361, Date 1970
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M PART 28
Vol 19, Page 407, Date 1970
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Studies in the Eupatoricae (Compositae). XXII. The genus Piptothris
Vol 19, Iss 7, Page 425, Date 1970
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Studies in the Eupatoricae (Compositae). XXIII. New combinations in Jaliscoa
Vol 19, Iss 7, Page 427, Date 1970
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Studies in the Eupatoricae (Compositae). XXIV. A new genus, Stomatanthen
Vol 19, Iss 7, Page 429, Date 1970
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Studies in the Eupatoricae (Compositae). XXV. A new genus, Eupatoriodelphus
Vol 19, Iss 7, Page 431, Date 1970
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Studies in the Eupatorieae (Compositae)---XXVI. A new genus Austroeupatorium
Vol 19, Page 433, Date 1970
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FURTHER NEW COMBINATION AND VARIETIES OF VERBENACEAE-D
Vol 19, Page 435, Date 1970
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M PART 29
Vol 19, Page 440, Date 1970
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Studies in the Eupatoricae (Compositae). XXVII. A monograph of the genus, Trichocoronis
Vol 19, Iss 7, Page 497, Date 1970
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CONTINUING STUDIES IN THE GUTTIFERAE-D
Vol 19, Page 501, Date 1970