AMERICAN JOURNAL OF BOTANY

Volume 91, Number 4, April 2004


Book Review

        B. C. Husband
        Chromosomal variation in plant evolution                                                                                 621

Bryology and Lichenology

        William B. Sanders, Richard L. Moe, and Carmen Ascaso
        The intertidal marine lichen formed by the pyrenomycete fungus Verrucaria
        tavaresiae (Ascomycotina) and the brown alga Petroderma maculiforme
        (Phaeophyceae): thallus organization and symbiont interaction                                                   511

Ecology

        Humberto Fabio Causin, David C. Tremmel, Thomas W. Rufty, and James F. Reynolds
        Growth, nitrogen uptake, and metabolism in two semiarid shrubs grown
        at ambient and elevated atmospheric CO2 concentrations: effects of
        nitrogen supply and source                                                                                                  565

        Arielle M. Cooley, Alexandra Reich, and Philip Rundel
        Leaf support biomechanics of neotropical understory herbs                                                        573

Genetics and Molecular Biology

        Zeng-Yu Wang, Yaxin Ge, Megann Scott, and German Spangenberg
        Viability and longevity of pollen from transgenic and nontransgenic tall fescue
        (Festuca arundinacea) (Poaceae) plants                                                                                 523

Population Biology

        Kristina A. Stinson
        Natural selection favors rapid reproductive phenology in Potentilla pulcherrima
        (Rosaceae) at opposite ends of a subalpine snowmelt gradient                                                   531

        Jennifer M. Cruse-Sanders and J. L. Hamrick
        Genetic diversity in harvested and protected populations of wild American ginseng,
        Panax quinquefolius L. (Araliaceae)                                                                                        540

        Rosemarie Walter and Bryan K. Epperson
        Microsatellite analysis of spatial structure among seedlings in populations of
        Pinus strobus (pinaceae)                                                                                                     549

Reproductive Biology

        A. Hedhly, J. I. Hormaza, and M. Herrero
        Effect of temperature on pollen tube kinetics and dynamics in sweet cherry,
        Prunus avium (Rosaceae)                                                                                                     558

Systematics

        Johan B. Mols, Barbara Gravendeel, Lars W. Chatrou, Michael D. Pirie,
        Paul C. Bygrave, Mark W. Chase, and Paul J. A. Keßler
        Identifying clades in Asian Annonaceae: monophyletic genera in the
        polyphyletic Miliuseae                                                                                                          590

        Paul E. Berry, William J. Hahn, Kenneth J. Sytsma, Jocelyn C. Hall, and Austin Mast
        Phylogenetic relationships and biogeography of Fuchsia (Onagraceae)
        based on noncoding nuclear and chloroplast DNA data                                                               601

        Sangtae Kim, Douglas E. Soltis, Pamela S. Soltis, and Youngbae Suh
        DNA sequences from Miocene fossils: an ndhF sequence of Magnolia latahensis
        (Magnoliaceae) and an rbcL sequence of Persea pseudocarolinensis (Lauraceae)                            615

Tropical Biology

        Alexandra Reich, N. Michele Holbrook, and John J. Ewel
        Developmental and physiological correlates of leaf size in Hyeronima
        alchorneoides (Euphorbiaceae)                                                                                              582