Seven papers describing various aspects of this new family of plants. Also contains A Century of Botany: 1889-1989. The Thirty-sixth Annual Systematics Symposium, 1989. Annals of the Missouri Botanical Garden Symposium Issue 78 (1).
A Century of Botany: 1889-1989. The Thirty-Sixth Annual Systematics Symposium.
One Hundred Years of the Missouri Botanical Garden, pp. 1-18, Emanuel D. Rudolph.
One Hundred Years of Plant Taxonomy, 1889-1989, pp. 19-32, Barbara G. Briggs.
A History of Botanical Nomenclature, pp. 33-56, Dan H. Nicolson.
Who Conquered the New World? Or Four Centuries of Exploration in an Indehiscent Capsule, pp. 57-64, Joseph Ewan.
Botanical Explorations in the American West-1889-1989: An Essay on the Last Century of a Floristic Frontier, pp. 65-80, James L. Reveal.
The Niger and the Nile: Botanical Exploration Around Two African Rivers, pp. 81-86, F. Nigel Hepper.
A New Family of Flowering Plants. , pp. 87-88, Jorge Gomez-Laurito and Luis D. Gomez P.
Neither Oak Nor Alder, But Nearly: The History of Ticodendraceae, pp. 89-95, Barry Hammel and W. G. Burger.
Wood and Bark Anatomy of Ticodendron: Comments on Relationships, pp. 96-104, Sherwin Carlquist.
The Leaf Architecture of Ticodendron and the Application of Foliar Characters in Discerning its Relationships, pp. 105-130, Leo J. Hickey and David Winship Taylor.
Sieve-Element Characters of Ticodendron , pp. 131-134, H.-Dietmar Behnke.
Reproductive Morphology, Anatomy, and Relationships of Ticodendron, pp. 135-142, Hiroshi Tobe.
Pollen Morphology and the Systematic Relationships of Ticodendron, pp. 143-151, Sylvia Feuer.
New Species of Panicum subgenus Dichanthelium (Poaceae: Paniceae) from South America, pp. 152-163, Fernando Zuloaga and Osvaldo Morrone.
New Species of Chusquea (Poaceae: Bambusoideae) from Costa Rica, pp. 164-171, Yvonne Widmer and Lynn G. Clark.
Panamanthus, a New Monotypic Genus of Neotropical Loranthaceae, pp. 172-176, Job Kuijt.
Notes on Swartzia (Leguminosae: Swartzieae) Preliminary to the Flora of the Venezuelan Guayana, pp. 177-183, Rupert C. Barneby.
Cyrtocarpa Kunth (Anacardiaceae) in South America, pp. 184-189, John D. Mitchell and Douglas C. Daly.
Studies in Neotropical Paleobotany. VIII. The Pliocene Communities of Panama-Introduction and Ferns, Gymnosperms, Angiosperms (Monocots), pp. 190-200, Alan Graham.
Studies in Neotropical Paleobotany. IX. The Pliocene Communities of Panama-Angiosperms (Dicots) , pp. 201-223, Alan Graham.
New Taxa of Solanum (Solanaceae) from Brazil, Colombia, Central America, and Venezuela, pp. 224-244, L. d A. Freire Carvalho.
Especies Nuevas y Colecciones Notables de Dioscorea (Dioscoreaceae) en Mesoamerica, pp. 245-253, Oswaldo Tellez Valdes and Bernice G. Schubert.
NOTES:
New Combinations and a New Variety in the Cyperaceae of Mesoamerica, p. 254, C. Dennis Adams.
A New Brazilian Species of Dalechampia subset. Triphyllae (Euphorbiaceae), pp. 255-258, Grady L. Webster.
Four New Species of Elaphoglossum (Elaphoglossaceae) from Venezuela, pp. 259-261, John T. Mickel.
A New Species of Aristolochia (Aristolochiaceae) from Venezuela, pp. 262-263, Kerry Barringer.
On the Typification of Bignonia crucigera L. (Bignoniaceae), pp. 264-265, Fred R. Barrie, James L. Reveal, Charles E. Jarvis and Alwyn H. Gentry.
Studies in Middle American Bromeliaceae I, pp. 266-269, John F. Utley and Kathleen Burt-Utley.
Studies in Middle American Bromeliaceae II, p. 270, John F. Utley and Harry Luther.
Erratum for Xyris (Xyridaceae) from the Planalto of Brazil, p. 271, R. Kral.