1. Transient growth responses of the primary roots of Zea mays

   • Albert List Jr.

   OriginalPaper Pages: 1 - 19

2. A note on the precision of estimates of gibberellin concentration from regression lines calculated from bioassay data

   • T. A. Hill
   • R. H. Wimble

   OriginalPaper Pages: 20 - 25

3. Control of deoxyisoflavone synthesis in soybean tissue

   • Carlos O. Miller

   OriginalPaper Pages: 26 - 35

4. Stomatal responses to changes in atmospheric humidity and water supply: Experiments with leaf sections of Zea mays in CO₂-free air

   • K. Raschke
   • U. Kühl

   OriginalPaper Pages: 36 - 48

5. Effect of auxins on the auxin transport system in coleoptiles

   • D. L. Rayle
   • R. Ouitrakul
   • R. Hertel

   OriginalPaper Pages: 49 - 53

6. Changes in phenylalanine ammonia-lyase activity during xylem differentiation in Coleus and soybean

   • P. H. Rubery
   • D. E. Fosket

   OriginalPaper Pages: 54 - 62

7. Free and membrane-bound ribosomes of the cotyledons of Vicia faba (L.)

   • P. I. Payne
   • D. Boulter

   OriginalPaper Pages: 63 - 68

8. Elektronenoptische Untersuchungen an Flechten

   • Elisabeth Peveling

   OriginalPaper Pages: 69 - 85

9. Fine structure of polysaccharide microcrystals

   • Bruce C. Parker
   • George F. Leeper

   OriginalPaper Pages: 86 - 94

10. Die Aminosäurenzusammensetzung der Proteine von Sonnen- und Schattenblättern der Blutbuche (Fagus sylvatica L. cv. Atropunicea)

    • Walter Haas

    OriginalPaper Pages: 95 - 101

11. Der Diffusionswiderstand der Spaltöffnungen; ein Vergleich des CO₂-Gaswechsels von Blättern mit und ohne Epidermis

    • Andreas Bertsch

    OriginalPaper Pages: 102 - 109

12. Sexual hormones in yeast

    • Naohiko Yanagishima

    OriginalPaper Pages: 110 - 118

13. Gibberellic acid and the fine structure of barley aleurone cells

    • Russell L. Jones

    OriginalPaper Pages: 119 - 133

14. Effects of “skeleton” photoperiods and high frequency light-dark cycles on the rhythm of cell division in synchronized cultures of Euglena

    • Leland N. Edmunds Jr.
    • Roy Funch

    OriginalPaper Pages: 134 - 163

15. Activity of gibberellins A₂₄ and A₂₅ in five bioassay systems

    • G. V. Hoad

    OriginalPaper Pages: 164 - 169

16. Responses of moss protonemata to red and far-red polarized light: evidence for disc-shaped phytochrome photoreceptors

    • Bernard J. Nebel

    OriginalPaper Pages: 170 - 179

17. Isolation of gibberellins A₂₆ and A₂₇ and their glucosides from immature seeds of Pharbitis nil

    • Takao Yokota
    • Nobutaka Takahashi
    • Saburo Tamura

    Short Communication Pages: 180 - 184

18. Detached leaves: Renewed potential for growth

    • John B. Brölmann
    • Sherlie H. West

    Short Communication Pages: 185 - 187

19. Stimulation of germination ofimmature bean embryos by gibberellic acid

    • K. G. M. Skene

    Short Communication Pages: 188 - 192