In this issue:

Am. J. Bot. 2004 91: 0. [Full Text]  

Anatomy and Morphology:

Louise B. Pedersen and Bo Johansen

Anatomy of the unusual stigma in Orchidantha (Lowiaceae)
Am. J. Bot. 2004 91: 299-305. [Abstract] [Full Text]  

Development and Morphogenesis:

Stefan Gleissberg

Comparative analysis of leaf shape development in Eschscholzia californica and other Papaveraceae-Eschscholzioideae
Am. J. Bot. 2004 91: 306-312. [Abstract] [Full Text]  

Ecology:

Emily J. Benson, David C. Hartnett, and Kale H. Mann

Belowground bud banks and meristem limitation in tallgrass prairieplant populations
Am. J. Bot. 2004 91: 416-421. [Abstract] [Full Text]  

Stéphane Boudreau and Serge Payette

Caribou-induced changes in species dominance of lichen woodlands: an analysis ofplant remains
Am. J. Bot. 2004 91: 422-429. [Abstract] [Full Text]  

Viviane Paquin and Lonnie W. Aarssen

Allometric gender allocation in Ambrosia Artemisiifolia (Asteraceae) has adaptive plasticity
Am. J. Bot. 2004 91: 430-438. [Abstract] [Full Text]  

Paleobotany:

Kathleen B. Pigg, Stefanie M. Ickert-Bond, and Jun Wen

Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington state, USA, and its biogeographic implications
Am. J. Bot. 2004 91: 499-509. [Abstract] [Full Text]  

Physiology and Development:

John S. Sperry and Uwe G. Hacke

Analysis of circular bordered pit function I. Angiosperm vessels with homogenous pit membranes
Am. J. Bot. 2004 91: 369-385. [Abstract] [Full Text]  

Uwe G. Hacke, John S. Sperry, and Jarmila Pittermann

Analysis of circular bordered pit function II. Gymnosperm tracheids with torus-margo pit membranes
Am. J. Bot. 2004 91: 386-400. [Abstract] [Full Text]  

Population Biology:

Antonio González-Rodríguez, Dulce M. Arias, Susana Valencia, and Ken Oyama

Morphological and RAPD analysis of hybridization between Quercus affinis and Q. laurina (fagaceae), two Mexican red oaks
Am. J. Bot. 2004 91: 401-409. [Abstract] [Full Text]  

Reproductive Biology:

Atsushi Kawakita and Makoto Kato

Evolution of obligate pollination mutualism in New Caledonian Phyllanthus (Euphorbiaceae)
Am. J. Bot. 2004 91: 410-415. [Abstract] [Full Text]  

Structure and Development:

Martha E. Cook

Cytokinesis in Coleochaete orbicularis (Charophyceae): an ancestral mechanism inherited by plants
Am. J. Bot. 2004 91: 313-320. [Abstract] [Full Text]  

Andrew N. Doust and Andrew N. Drinnan

Floral development and molecular phylogeny support the generic status of Tasmannia (Winteraceae)
Am. J. Bot. 2004 91: 321-331. [Abstract] [Full Text] [Supplemental Data]  

Joseph H. Williams and William E. Friedman

The four-celled female gametophyte of Illicium (Illiciaceae; Austrobaileyales): implications for understanding the origin and early evolution of monocots, eumagnoliids,and eudicots
Am. J. Bot. 2004 91: 332-351. [Abstract] [Full Text]  

Antonio J. Matas, Edward D. Cobb, James A. Bartsch, Dominick J. Paolillo, Jr., and Karl J. Niklas

Biomechanics and anatomy of Lycopersicon esculentum fruit peels and enzyme-treated samples
Am. J. Bot. 2004 91: 352-360. [Abstract] [Full Text]  

Yong Yang

Ontogeny of triovulate cones of Ephedra intermedia and origin of the outer envelope ofovules of Ephedraceae
Am. J. Bot. 2004 91: 361-368. [Abstract] [Full Text]  

Systematics:

Gerald M. Schneeweiss, Teresa Palomeque, Alison E. Colwell, and Hanna Weiss-Schneeweiss

Chromosome numbers and karyotype evolution in holoparasitic Orobanche (Orobanchaceae) and related genera
Am. J. Bot. 2004 91: 439-448. [Abstract] [Full Text] [Supplemental Data]  

Jolanta Miadlikowska and François Lutzoni

Phylogenetic classification of peltigeralean fungi (Peltigerales, Ascomycota) based on ribosomal RNA small and large subunits
Am. J. Bot. 2004 91: 449-464. [Abstract] [Full Text] [Supplemental Data]  

Steven R. Griffin and Spencer C. H. Barrett

Post-glacial history of Trillium grandiflorum (Melanthiaceae) in eastern North America: inferences from phylogeography
Am. J. Bot. 2004 91: 465-473. [Abstract] [Full Text] [Supplemental Data]  

Paul M. Beardsley, Steve E. Schoenig, Justen B. Whittall, and Richard G. Olmstead

Patterns of evolution in western North American Mimulus (Phrymaceae)
Am. J. Bot. 2004 91: 474-489. [Abstract] [Full Text] [Supplemental Data]  

Sheh-May Tam, Peter C. Boyce, Tim M. Upson, Denis Barabé, Anne Bruneau, Felix Forest, and John S. Parker

Intergeneric and infrafamilial phylogeny of subfamily Monsteroideae (Araceae) revealed by chloroplast <011>trnL-F sequences
Am. J. Bot. 2004 91: 490-498. [Abstract] [Full Text] [Supplemental Data][HTML Page - index.htslp]  

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