1. A new organelle related to osmoregulation in ultrarapidly frozenPelvetia embryos

   • John C. Gilkey
   • L. Andrew Staehelin

   OriginalPaper Pages: 425 - 435

2. Partial purification and initial characterization of phytochrome from the mossAtrichum undulatum P. Beauv. grown in the light

   • P. Lindemann
   • S. E. Braslavsky
   • K. Schaffner

   OriginalPaper Pages: 436 - 442

3. Measurement of internal pH in the coccolithophoreEmiliania huxleyi using 2′,7′-bis-(2-carboxyethyl)-5(and-6)carboxyfluorescein acetoxymethylester and digital imaging microscopy

   • G. K. Dixon
   • C. Brownlee
   • M. J. Merrett

   OriginalPaper Pages: 443 - 449

4. Inorganic-carbon transport in some marine eukaryotic microalgae

   • J. Munoz
   • M. J. Merrett

   OriginalPaper Pages: 450 - 455

5. Effects of light and acetate on the liberation of zoospores by a mutant strain ofChlamydomonas reinhardtii

   • Jürgen Voigt
   • Dieter Mergenhagen
   • Klaus Nagel

   OriginalPaper Pages: 456 - 462

6. A model of photosynthetic CO₂ assimilation and carbon-isotope discrimination in leaves of certain C₃−C₄ intermediates

   • Susanne von Caemmerer

   OriginalPaper Pages: 463 - 474

7. Short-term carbon-isotope discrimination in C₃−C₄ intermediate species

   • Susanne von Caemmerer
   • Kerry T. Hubick

   OriginalPaper Pages: 475 - 481

8. Correlation of spermine levels with ovary senescence and with fruit set and development inPisum sativum L.

   • Juan Carbonell
   • José L. Navarro

   OriginalPaper Pages: 482 - 487

9. Radial transport of water across cortical sleeves of excised roots ofZea mays L.

   • Fred Schambil
   • Dietrich Woermann

   OriginalPaper Pages: 488 - 494

10. Mechanisms of fusicoccin action: evidence for concerted modulations of secondary K⁺ transport in a higher plant cell

    • Gill M. Clint
    • Michael R. Blatt

    OriginalPaper Pages: 495 - 508

11. Mechanisms of fusicoccin action: kinetic modification and inactivation of K⁺ channels in guard cells

    • Michael R. Blatt
    • Gill M. Clint

    OriginalPaper Pages: 509 - 523

12. Nuclear-magnetic-resonance imaging of leaves ofMesembryanthemum crystallinum L. plants grown at high salinity

    • L. Walter
    • A. Balling
    • W. Kuhn

    OriginalPaper Pages: 524 - 530

13. Organization of the actin cytoskeleton during pollen development inGasteria verrucosa (Mill.) H. Duval visualized with rhodamine-phalloidin

    • A. A. M. Van Lammeren
    • J. Bednara
    • M. T. M. Willemse

    OriginalPaper Pages: 531 - 539

14. Revision of the theory of phototropism in plants: a new interpretation of a classical experiment

    • Koji Hasegawa
    • Masako Sakoda
    • Johan Bruinsma

    OriginalPaper Pages: 540 - 544

15. Inhibition of photosynthesis by chilling in moderate light: a comparison of plants sensitive and insensitive to chilling

    • Richard A. J. Hodgson
    • John K. Raison

    OriginalPaper Pages: 545 - 552

16. Relationship between the octanol-water partition coefficient of tertiary amines and their effect of ‘selective’ uncoupling of photophosphorylation

    • Henrik Laasch

    OriginalPaper Pages: 553 - 560