AMERICAN JOURNAL OF BOTANY

Volume 91, Number 8, August 2004


Genetics and Molecular Biology

        Genetic variation of introduced Hawaiian and native Costa
        Rican populations of an invasive tropical shrub,
        Clidemia hirta (Melastomataceae)
        Saara J. DeWalt and J. L. Hamrick                                                                       1155

Bryology and Lichenology

        Cushion size, surface roughness, and the control of water balance
        and carbon flux in the cushion moss Leucobryum
        glaucum (Leucobryaceae)
        Steven K. Rice and Nicole Schneider                                                                   1164

        Bryophyte dispersal inferred from colonization of an introduced
        substratum on Whiteface Mountain, New York
        Norton G. Miller and Stuart F. McDaniel                                                            1173

Reproductive Biology

        Evaluation of the extent of among-family variation in inbreeding
        depression in the perennial herb Scabiosa columbaria (Dipsacaceae)
        F. Xavier Picó, N. Joop Ouborg, and Jan M. Van Groenendael                                1183

        Localization of production and emission of pollinator attractant
        on whole leaves of Chamaerops humilis (Arecaceae)
        Jean-Claude Caissard, Aroonrat Meekijjironenroj,
        Sylvie Baudino, and Marie-Charlotte Anstett                                                   1190


        Variation in sex allocation and male–female trade-offs in six
        populations of Collinsia parviflora (Scrophulariaceae s.l.)
        Amy L. Parachnowitsch and Elizabeth Elle                                                         1200

Systematics

        Systematics of Ipomoea subgenus Quamoclit (Convolvulaceae)
        based on ITS sequence data and a Bayesian phylogenetic analysis
        Richard E. Miller, J. Andrew McDonald, and Paul S. Manos                                  1208

        Phylogeny of Amorpheae (Fabaceae: Papilionoideae)
        Michelle McMahon and Larry Hufford                                                                1219

        Origin of the disjunct tetraploid Cardamine amporitana (Brassicaceae)
        assessed with nuclear and chloroplast DNA sequence data
        Judita Lihová, Javier Fuertes Aguilar, Karol Marhold, and
        Gonzalo Nieto Feliner                                                                                       1231


Ecology

        Atmospheric invasion of non-native pollen in the Mediterranean region
        Jordina Belmonte and Montserrat Vilà                                                              1243

        Variation in wetland seed banks across a tidal freshwater landscape
        Jessica E. Peterson and Andrew H. Baldwin                                                        1251

        Herbarium specimens demonstrate earlier flowering times in response
        to warming in Boston
        Daniel Primack, Carolyn Imbres, Richard B. Primack,
        Abraham J. Miller-Rushing, and Peter Del Tredici                                                         1260

Paleobotany

        Anatomically preserved seeds of Nuphar (Nymphaeaceae) from the
        Early Eocene of Wutu, Shandong Province, China
        Iju Chen, Steven R. Manchester, and Zhiduan Chen                                              1265

Brief Communication

        Molecular evidence for limited dispersal of vegetative propagules in
        the epiphytic lichen Lobaria pulmonaria
        Jean-Claude Walser                                                                                           1273