In this issue:

Am. J. Bot. 1999 86: 0. [Full Text]  

Ecology:

Peter Lesica

Effects of fire on the demography of the endangered, geophytic herb Silene spaldingii (Caryophyllaceae)
Am. J. Bot. 1999 86: 996-1002. [Abstract] [Full Text]  

Genetics and Molecular Biology:

Linghe Zeng and Wm. Vance Baird

Inheritance of resistance to anti-microtubule dinitroaniline herbicides in an "intermediate" resistant biotype of Eleusine indica (Poaceae)
Am. J. Bot. 1999 86: 940-947. [Abstract] [Full Text]  

Population Biology:

Kathleen H. Keeler and Geoffrey A. Davis

Comparison of common cytotypesof Andropogon gerardii(Andropogoneae, Poaceae)
Am. J. Bot. 1999 86: 974-979. [Abstract] [Full Text]  

Theresa M. Culley, Stephen G. Weller, Ann K. Sakai, and Anne E. Rankin

Inbreeding depression and selfing rates in a self-compatible, hermaphroditic species, Schiedea membranacea (Caryophyllaceae)
Am. J. Bot. 1999 86: 980-987. [Abstract] [Full Text]  

Stephanie A. Foré and Sheldon I. Guttman

Genetic structure of Helianthus occidentalis (Asteraceae) in a preserve withfragmented habitat
Am. J. Bot. 1999 86: 988-995. [Abstract] [Full Text]  

Reproductive Biology:

Jordan Golubov, Luis E. Eguiarte, María C. Mandujano, Jorge López-Portillo, and Carlos Montaña

Why be a honeyless honey mesquite? Reproduction and mating system of nectarful and nectarless individuals
Am. J. Bot. 1999 86: 955-963. [Abstract] [Full Text]  

Santiago Pajarón, Emilia Pangua, and Lorena García-Álvarez

Sexual expression and genetic diversity in populations of Cryptogramma crispa (Pteridaceae)
Am. J. Bot. 1999 86: 964-973. [Abstract] [Full Text]  

Structure and Development:

Rolf Rutishauser and Meinhard Grubert

The architecture of Mourera fluviatilis (Podostemaceae): developmental morphology of inflorescences, flowers, and seedlings
Am. J. Bot. 1999 86: 907-922. [Abstract] [Full Text]  

Thomas C. Pesacreta and Karl H. Hasenstein

The internal cuticle of Cirsium horridulum (Asteraceae) leaves
Am. J. Bot. 1999 86: 923-928. [Abstract] [Full Text]  

Liming Zhao and Fred D. Sack

Ultrastructure of stomatal development in Arabidopsis (Brassicaceae) leaves
Am. J. Bot. 1999 86: 929-939. [Abstract] [Full Text]  

Systematics:

Gerald D. Carr, Robert M. King, A. Michael Powell, and Harold Robinson

Chromosome numbers in Compositae. XVIII.
Am. J. Bot. 1999 86: 1003-1013. [Abstract] [Full Text]  

Gregory M. Plunkett and Stephen R. Downie

Major lineages within Apiaceae subfamily Apioideae: a comparison of chloroplast restriction site and DNA sequence data
Am. J. Bot. 1999 86: 1014-1026. [Abstract] [Full Text]  

Jianhua Li, A. Linn Bogle, and Anita S. Klein

Phylogenetic relationships of the Hamamelidaceae inferred from sequences of internal transcribed spacers (ITS) of nuclear ribosomal DNA
Am. J. Bot. 1999 86: 1027-1037. [Abstract] [Full Text]  

Gay E. McKinnon, Dorothy A. Steane, Bradley M. Potts, and René E. Vaillancourt

Incongruence between chloroplast and species phylogenies in Eucalyptus subgenus Monocalyptus (Myrtaceae)
Am. J. Bot. 1999 86: 1038-1046. [Abstract] [Full Text]  

Judith X. Becerra and D. Lawrence Venable

Nuclear ribosomal DNA phylogeny and its implications for evolutionary trends in Mexican Bursera (Burseraceae)
Am. J. Bot. 1999 86: 1047-1057. [Abstract] [Full Text]  

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