In this issue:

Am. J. Bot. 1999 86: 0. [Full Text]  

Anatomy and Morphology:

Sherwin Carlquist and Edward L. Schneider

Sem studies on vessels in ferns. 12. Marattiaceae, with comments on vessel patterns in eusporangiate ferns
Am. J. Bot. 1999 86: 457-464. [Abstract] [Full Text]  

Ecology:

R. Michael Miller, Christopher I. Smith, Julie D. Jastrow, and James D. Bever

Mycorrhizal status of the genus Carex (Cyperaceae)
Am. J. Bot. 1999 86: 547-553. [Abstract] [Full Text]  

Physiology and Development:

Magnus Nordborg and Joy Bergelson

The effect of seed and rosette cold treatment on germination and flowering time in some Arabidopsis thaliana (Brassicaceae) ecotypes
Am. J. Bot. 1999 86: 470-475. [Abstract] [Full Text]  

Population Biology:

Jonathan Shaw and Samuel C. Beer

Life history variation in gametophyte populations of the moss Ceratodon purpureus (Ditrichaceae)
Am. J. Bot. 1999 86: 512-521. [Abstract] [Full Text]  

Alejandro Casas, Javier Caballero, Alfonso Valiente-Banuet, Jose Antonio Soriano, and Patricia Dávila

Morphological variation and the process of domestication of Stenocereus stellatus (Cactaceae) in Central Mexico
Am. J. Bot. 1999 86: 522-533. [Abstract] [Full Text]  

Alejandro Casas, Alfonso Valiente-Banuet, Alberto Rojas-Martínez, and Patricia Dávila

Reproductive biology and the process of domestication of the columnar cactus Stenocereus Stellatus in Central Mexico
Am. J. Bot. 1999 86: 534-542. [Abstract] [Full Text]  

Curtis C. Daehler, Carina K. Anttila, Debra R. Ayres, Donald R. Strong, and John P. Bailey

Evolution of a new ecotype of Spartina alterniflora (Poaceae) in San Francisco Bay, California, USA
Am. J. Bot. 1999 86: 543-546. [Abstract] [Full Text]  

Reproductive Biology:

Heike Vibrans

Epianthropochory in Mexican weed communities
Am. J. Bot. 1999 86: 476-481. [Abstract] [Full Text]  

Donna W. Vogler, Shani Peretz, and Andrew G. Stephenson

Floral plasticity in an iteroparous plant: the interactive effects of genotype, environment, and ontogeny in Campanula rapunculoides (Campanulaceae)
Am. J. Bot. 1999 86: 482-494. [Abstract] [Full Text]  

Etsushi Kato and Tsutom Hiura

Fruit set in Styrax obassia (Styracaceae): the effect of light availability, display size, and local floral density
Am. J. Bot. 1999 86: 495-501. [Abstract] [Full Text]  

Brendon M. H. Larson and Spencer C. H. Barrett

The pollination ecology of buzz-pollinated Rhexia virginica (Melastomataceae)
Am. J. Bot. 1999 86: 502-511. [Abstract] [Full Text]  

Structure and Development:

Karl J. Niklas

The mechanical role of bark
Am. J. Bot. 1999 86: 465-469. [Abstract] [Full Text]  

Systematics:

Nikolai Friesen, Sven Pollner, Konrad Bachmann, and Frank R. Blattner

RAPDs and noncoding chloroplast DNA reveal a single origin of the cultivated Allium fistulosum from A. altaicum (Alliaceae)
Am. J. Bot. 1999 86: 554-562. [Abstract] [Full Text]  

Julian R. Starr, Randall J. Bayer, and Bruce A. Ford

The phylogenetic position of Carex section Phyllostachys and its implications for phylogeny and subgeneric circumscription in Carex (Cyperaceae)
Am. J. Bot. 1999 86: 563-577. [Abstract] [Full Text]  

Lisa M. Schultheis and Bruce G. Baldwin

Molecular phylogenetics of Fouquieriaceae: evidence from nuclear rDNA ITS studies
Am. J. Bot. 1999 86: 578-589. [Abstract] [Full Text]  

Abdel-Kader Ainouche and Randall J. Bayer

Phylogenetic relationships in Lupinus (Fabaceae: Papilionoideae) based on internal transcribed spacer sequences (ITS) of nuclear ribosomal DNA
Am. J. Bot. 1999 86: 590-607. [Abstract] [Full Text]  

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