1. The influence of inorganic phosphate on photosynthesis in intact chloroplasts from Mesembryanthemum crystallinum L. plants exhibiting C₃ photosynthesis or crassulacean acid metabolism

   • Russell K. Monson
   • Mary E. Rumpho
   • Gerald E. Edwards

   OriginalPaper Pages: 97 - 104

2. Occurrence and immunological relationships of lectins in gramineous species

   • Hetty M. Stinissen
   • Willy J. Peumans
   • Albert R. Carlier

   OriginalPaper Pages: 105 - 111

3. Tolerances of wild potato species from different altitudes to cold and heat

   • Robert M. Smillie
   • Suzan E. Hetherington
   • P. Malagamba

   OriginalPaper Pages: 112 - 118

4. Heat tolerance and cold tolerance of cultivated potatoes measured by the chlorophyll-fluorescence method

   • Suzan E. Hetherington
   • Robert M. Smillie
   • Z. Huamán

   OriginalPaper Pages: 119 - 124

5. The regulation of synthesis of mitochondrial enzymes in regreening and division-synchronized Euglena cultures

   • Andrew Cannons
   • Michael J. Merrett

   OriginalPaper Pages: 125 - 129

6. Nucleotide effects on glucan-synthesis activities of particulate enzymes from Saprolegnia

   • Michel Fèvre

   OriginalPaper Pages: 130 - 135

7. Coaction of light and cytokinin in photomorphogenesis

   • Zhe Tong
   • Helga Kasemir
   • Hans Mohr

   OriginalPaper Pages: 136 - 142

8. Photoperiodic control of tetrasporangium formation in the red alga Rhodochorton purpureum

   • M. J. Dring
   • J. A. West

   OriginalPaper Pages: 143 - 150

9. Thylakoid protein kinase activity and associated control of excitation energy distribution during chloroplast biogenesis in wheat

   • Neil R. Baker
   • John P. Markwell
   • J. Philip Thornber

   OriginalPaper Pages: 151 - 158

10. Soluble uridine diphospho-D-glucose: mycosporin glucosyltransferase from spores of Ascochyta fabae Speg.

    • Jean-Louis Pittet
    • Robert Létoublon
    • Noël Arpin

    OriginalPaper Pages: 159 - 164

11. Changes in membrane potential and resistance caused by transient increase of potassium conductance in the unicellular green alga Eremosphaera viridis

    • K. Köhler
    • H. -J. Geisweid
    • W. Urbach

    OriginalPaper Pages: 165 - 171

12. In-vitro transcription in tobacco chromatin

    • Roger E. Calza
    • Paul F. Lurquin

    OriginalPaper Pages: 172 - 177

13. Cytokinins in transfer RNA of normal and crown-gall tissue of Vinca rosea

    • L. M. S. Palni
    • R. Horgan

    OriginalPaper Pages: 178 - 181

14. Long-term storage of dormant Grand Rapids lettuce seeds in the imbibed state: physiological and metabolic changes

    • Andrew D. Powell
    • David W. M. Leung
    • J. Derek Bewley

    OriginalPaper Pages: 182 - 188

15. Accumulation of amyloplasts on the bottom of normal and inverted rhizome tips of Caulerpa prolifera (Forsskål) Lamouroux

    • Michael B. Matilsky
    • William P. Jacobs

    Short Communication Pages: 189 - 192

16. Erratum

    Erratum Pages: 192 - 192