In this issue:

In this issue
Am. J. Bot. 1998 85: 0. [Full Text]

Ecology:

JohnB. Pascarella

Resiliency and response to hurricane disturbance in atropical shrub, Ardisia escallonioides (Myrsinaceae), in southFlorida
Am. J. Bot. 1998 85: 1207-1215. [Abstract] [Full Text]

Jeannine M. Cavender-Bares, Paul B. Voss, and Fakhri A. Bazzaz

Consequences of incongruency in diurnally varying resources for seedlings of Rumex crispus (Polygonaceae)
Am. J. Bot. 1998 85: 1216-1223. [Abstract] [Full Text]

Graham C. Boorse, Frank W. Ewers, and Stephen D. Davis

Response of chaparral shrubs to below-freezing temperatures: acclimation, ecotypes, seedlings vs. adults
Am. J. Bot. 1998 85: 1224-1230. [Abstract] [Full Text]

Paleobotany:

William L. Crepet and Kevin C. Nixon

Two new fossil flowers of magnoliid affinity from the Late Cretaceous of New Jersey
Am. J. Bot. 1998 85: 1273-1288. [Abstract] [Full Text]

Xuanli Yao, Zhiyan Zhou, and Bole Zhang

Reconstruction of the Jurassic conifer Sewardiodendron laxum (Taxodiaceae)
Am. J. Bot. 1998 85: 1289-1300. [Abstract] [Full Text]

Population Biology:

Loreen Allphin, Michael D. Windham, and Kimball T. Harper

Genetic diversity and gene flow in the endangered dwarf bear poppy, Arctomecon humilis (Papaveraceae)
Am. J. Bot. 1998 85: 1251-1261. [Abstract] [Full Text]

Jeffry B. Mitton, Michael C. Grant, and Ayako Murayama Yoshino

Variation in allozymes and stomatal size in pinyon (Pinus edulis, Pinaceae), associated with soil moisture
Am. J. Bot. 1998 85: 1262-1265. [Abstract] [Full Text]

Steven E. Smith

Variation in response to defoliation between populations of Bouteloua curtipendula var. caespitosa (Poaceae) with different livestock grazing histories
Am. J. Bot. 1998 85: 1266-1272. [Abstract] [Full Text]

Reproductive Biology:

Martin T. Morgan

Female fertility per flower and trade-offs between size and number in Claytonia virginica (Portulacaceae)
Am. J. Bot. 1998 85: 1231-1236. [Abstract] [Full Text]

C. L. Dewald and B. K. Kindiger

Cytological and molecular evaluation of the reproductive behavior of Tripsacum andersonii and a female fertile derivative (Poaceae)
Am. J. Bot. 1998 85: 1237-1242. [Abstract] [Full Text]

Holly L. Williams and Charles B. Fenster

Ecological and genetic factors contributing to the low frequency of male sterility in Chamaecrista Fasciculata (Fabaceae)
Am. J. Bot. 1998 85: 1243-1250. [Abstract] [Full Text]

Structure and Development:

Christopher H. Briand, Amy D. Daniel, Kerri A. Wilson, and Helen E. Woods

Allometry of axis length, diameter, and taper in the devil's walking stick (Aralia spinosa; Araliaceae)
Am. J. Bot. 1998 85: 1201-1206. [Abstract] [Full Text]

Systematics:

Randall L. Small, Julie A. Ryburn, Richard C. Cronn, Tosak Seelanan, and Jonathan F. Wendel

The tortoise and the hare: choosing between noncoding plastome and nuclear Adh sequences for phylogeny reconstruction in a recently diverged plant group
Am. J. Bot. 1998 85: 1301-1315. [Abstract] [Full Text]

Samuel A. Johnson, Leo P. Bruederle, and Diana F. Tomback

A mating system conundrum: hybridization in Apocynum (Apocynaceae)
Am. J. Bot. 1998 85: 1316-1323. [Abstract] [Full Text]

Bernard Goffinet, Randall J. Bayer, and Dale H. Vitt

Circumscription and phylogeny of the Orthotrichales (Bryopsida) inferred from RBCL sequence analyses
Am. J. Bot. 1998 85: 1324-1337. [Abstract] [Full Text]

Systematics and Phytogeography:

Ki-Joong Kim and Robert K. Jansen

A chloroplast DNA phylogeny of lilacs (Syringa, Oleaceae): plastome groups show a strong correlation with crossing groups
Am. J. Bot. 1998 85: 1338-1351. [Abstract] [Full Text]

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