1. Leaf microbodies (peroxisomes) and catalase localization in plants differing in their photosynthetic carbon pathways

   • Joe H. Hilliard
   • V. E. Gracen
   • S. H. West

   OriginalPaper Pages: 93 - 105

2. Action potentials resulting from mechanical stimulation of pea epicotyls

   • Barbara Gillespie Pickard

   OriginalPaper Pages: 106 - 115

3. Indole-3-methanol—a metabolite of indole-3-acetic acid in pea seedlings

   • Volker Magnus
   • Sonja Iskrić
   • Sergije Kveder

   OriginalPaper Pages: 116 - 125

4. Photoreduction of acetylene by heterocysts

   • C. Peter Wolk
   • Elizabeth Wojciuch

   OriginalPaper Pages: 126 - 134

5. Tryptophan-dependent indoleacetic-acid biosynthesis from indole, demonstrated by double-labelling experiments

   • N. Erdmann
   • U. Schiewer

   OriginalPaper Pages: 135 - 141

6. Characterization of gibberellins from dark-grown Phaseolus coccineus seedlings by gas-liquid chromatography and combined gas chromatography-mass spectrometry

   • A. Crozier
   • D. H. Bowen
   • B. H. Most

   OriginalPaper Pages: 142 - 154

7. Essai d'interprétation des cinétiques d'échange isotopique entre C¹⁸O₂ et eau d'une feuille: Expériences à l'obscurité

   • R. Gerster

   OriginalPaper Pages: 155 - 172

8. Evaluation of evidence for the presence of indole-3-acetic acid in marine algae

   • R. G. Buggeln
   • J. S. Craigie

   Short Communication Pages: 173 - 178

9. The effect of a prolonged 2,4-dichlorophenoxyacetic-acid treatment on transpiration and stomatal distribution in tomato leaves

   • Moshe Tal
   • Dorot Imber

   Short Communication Pages: 179 - 182