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Studies in the Heliantheae (Asteraceae). VII. Notes on the genus Monactis
Volume 34, Page 33
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Studies in the Liabeae (Asteraceae). IV. Additions to the genus, Philoglossa
Volume 34, Page 53
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A new species of Taxilejeunea from Venezuela
Volume 34, Page 67
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A new Fissidens from Micronesia
Volume 34, Page 149
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New taxa and new combinations of Thelypteris from Guatemala
Volume 34, Page 231
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Notes on new and noteworthy plants---XCI
Volume 34, Page 245
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Studies in the Liabeae (Asteraceae)---V. New Andean species of Liabum
Volume 34, Page 285
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Notes on Guatemalan Sapindaceae
Volume 34, Page 369
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Haplopappus enormideus (Compositae), a new species from Baja California, Mexico
Volume 34, Page 371
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Studies in the Liabeae (Asteraceae)---VI. Notes on the genus Erato
Volume 34, Page 378
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Studies in the Liabeae (Asteraceae)---VII. Additions to the genus Munnozia
Volume 34, Page 380
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Eriogonum (Polygonaceae) of Arizona and New Mexico
Volume 34, Page 409