On Ö. Winge and a Prayer: The origins of polyploidy Jack R. HarlanJ. M. J. deWet OriginalPaper Pages: 361 - 390
Primary, preventive and permissive roles of hormones in plant systems Anwar A. Khan OriginalPaper Pages: 391 - 420
Environmental influences on cuticle development and resultant foliar penetration H. M. HullH. L. MortonJ. R. Wharrie OriginalPaper Pages: 421 - 452
The succession of Australian pre-tertiary megafossil floras R. E. Gould OriginalPaper Pages: 453 - 483
The New York Botanical Garden Announces A Symposium in Commemoration of the Bicentennial of the United States Announcement Pages: N1 - N1