ANNALS OF THE MISSOURI BOTANICAL GARDEN, VOL. 100, NUMBER 4

CONTENTS

Evolutionary Trends and Specialization in the Euglossine Bee--Pollinated Orchid Genus Gongora Molly C. Hetherington-Rauth & Santiago R. Ramirez.

Avian Diversification Patterns Across the K-Pg Boundary: Influence of Calibrations, Datasets, and Model Misspecification Daniel T. Ksepka & Matthew J. Phillips.

Assessing the Fossil Record of Asterids in the Context of Our Current Phylogenetic Framework Steven R. Manchester, Friageir Grímsson & Reinhard Zetter.

Taxonomic Revision Of The Moss Genus Lepidopilidium (Pilotrichaceae)John J. Atwood.

The Evolution of Violaceae from an Anatomical and Morphological Perspective Saúl E. Hoyos-Gómez.

Botany of the 1841 Frémont--Geyer Expedition to the Des Moines River Thomas G. Lammers.

A Multivariate Morphometric Analysis of the Solidago Chilensis Group in South America and Related Taxa in North America (Asteraceae, Astereae) Rita M. Lopez Laphitz & John C. Semple.

Author Index

Subject Index