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. 87, NUMBER 2

Reproductive Biology of Erythrina crista-galli (Fabaceae). Leonardo Galetto, Gabriel Bernardello, Irene C. Isele, José Vesprini, Gabriela Speroni, and Alfredo Berduc

The Long-Proboscid Fly Pollination System in Southern Africa. Peter Goldblatt and John C. Manning

Wood Anatomy of Mackinlaya and Apiopetalum (Araliaceae) and its Systematic Implications. Alexei A. Oskolski and Porter P. Lowry II

Carlos Spegazzini (1858–1926): Travels and Botanical Work on Vascular Plants. Liliana Katinas, Diego G. Gutiérrez, and Silvia S. Torres Robles

Phenetic Similarity Patterns of Dioecious Species of Poa from Argentina and Neighboring Countries. Liliana Mónica Giussani

Studies in Annonaceae XXXVI. The Duguetia Alliance: Where the Ways Part. Lars W. Chatrou, Jifke Koek-Noorman, and Paul J. M. Maas

Molecular Systematics of the Chinese Yinshania (Brassicaceae): Evidence from Plastid and Nuclear ITS DNA Sequence Data. Marcus Koch and Ihsan A. Al-Shehbaz

Molecular Confirmation of Unidirectional Hybridization in Begonia × taipeiensis Peng (Begoniaceae) from Taiwan. Ching-I Peng and Tzen-Yuh Chiang

Vegetation of Limestone and Dolomite Glades in the Ozarks and Midwest Regions of the United States. Jerry M. Baskin and Carol C. Baskin

Statistical Summary of Some of the Activities in the Missouri Botanical Garden Herbarium. Marshall R. Crosby