1. The effect of heat hardening on the heat resistance of some enzymes from plant leaves

   • N. L. Feldman

   OriginalPaper Pages: 213 - 225

2. Spermatogenesis in Polytrichum juniperinum

   • Dominick J. Paolillo Jr.
   • Gerald L. Kreitner
   • Judith A. Reighard

   OriginalPaper Pages: 226 - 247

3. Spermatogenesis in Polytrichum juniperinum

   • Dominick J. Paolillo Jr.
   • Gerald L. Kreitner
   • Judith A. Reighard

   OriginalPaper Pages: 248 - 261

4. Interactions between ethylene-bis-nitrourethane and Gibberellic acid during the germination of lettuce seed

   • D. G. Morgan

   OriginalPaper Pages: 262 - 265

5. Studies in seed dormancy

   • J. W. Bradbeer

   OriginalPaper Pages: 266 - 276

6. Studies on the hormonal relationships of algae in pure culture

   • Mirza Rashid Ahmad
   • Alan Winter

   OriginalPaper Pages: 277 - 286

7. Die Verschiedenartigkeit von Haftorganen einiger Flechten

   • H. Reznik
   • E. Peveling
   • J. Vahl

   OriginalPaper Pages: 287 - 292

8. The role of ethylene in 2.4-D-induced growth inhibition

   • R. E. Holm
   • F. B. Abeles

   OriginalPaper Pages: 293 - 304

9. Identification of (+)-abscisic acid in strawberry leaves

   • Olfat M. K. Gabr
   • C. G. Guttridge

   OriginalPaper Pages: 305 - 309

10. Die Kinetik der Ionenaufnahme durch junge und alte Sprosse von Mnium cuspidatum

    • Ulrich Lüttge
    • Katharina Bauer

    OriginalPaper Pages: 310 - 320