The Annals of the Missouri Botanical Garden, published quarterly since 1914, contains peer-reviewed papers primarily devoted to systematic botany and evolution. The Annals reflect the global mission of the Garden, with contributing authors from the Americas, Africa, Europe, Asia, and Australasia.

CONTENTS OF THE ANNALS OF THE MISSOURI BOTANICAL GARDEN, VOL. 98 NUMBER 2

A Taxonomic Revision of Gouania (Rhamnaceae) in Madagascar and the Other Islands of the Western Indian Ocean (the Comoro and Mascarene Islands, and the Seychelles). Sven Buerki, Peter B. Phillipson & Martin W. Callmander

Phylogenetic Influence on Twining Chirality in Lianas from Amazonian Peru. Robyn J. Burnham & Caissa Revilla-Minaya

Developmental Anatomy and Morphology of the Flowers and Fruits of Species from Galium and Relbunium (Rubieae, Rubiaceae). Karen L. G. De Toni & Jorge E. A. Mariath

The Index to Plant Chromosome Numbers (IPCN): Three Decades of Publication by the Missouri Botanical Garden Come to an End. Peter Goldblatt & Porter P. Lowry II

Contribución al Conocimiento de las Especies del Género Axonopus (Poaceae, Panicoideae, Paniceae) para Sudamérica Austral. Diego L. Salariato, Fernando O. Zuloaga & Osvaldo Morrone

African Herbaria Support Transformation on the Continent. Gideon F. Smith, Jacobus P. (Koos) Roux, Peter Raven & Estrela Figueiredo

Embryological Evidence Supports the Transfer of Leitneria floridana to the family Simaroubaceae. Hiroshi Tobe

Erratum for Hondurodendron, a New Monotypic Genus of Aptandraceae from Honduras. Carmen Ulloa Ulloa, Daniel L. Nickrent, Caroline Whitefoord & Daniel L. Kelly