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. 94, NUMBER 4

Floral Biology of Babiana (Iridaceae: Crocoideae): Adaptive Floral Radiation and Pollination. Peter Goldblatt and John C. Manning

A Revision of Bourreria (Boraginales, Ehretiaceae) in South America. Marc Gottschling and James S. Miller

Eragrostis (Poaceae: Chloridoideae: Eragrostideae: Eragrostidinae) of Peru. Paul M. Peterson and Isidoro Sánchez Vega

A Review of the Genus Distictis (Bignoniaceae). Amy Pool

Nicoraepoa (Poaceae, Poeae), a New South American Genus Based on Poa Subg. Andinae, and Emendation of Poa Sect. Parodiochloa of the Sub-Antarctic Islands. Robert J. Soreng and Lynn J. Gillespie

Erratum for Phylogeny of Apocynoideae and the APSA Clade (Apocynaceae s.l.). Tatyana Livshultz, David J. Middleton, Mary E. Endress and Justin K. Williams