1. Plant microbodies

   • Sue Ellen Frederick
   • Peter J. Gruber
   • Eldon H. Newcomb

   ReviewPaper Pages: 1 - 29

2. Subcellular changes during isolation and culture of tobacco mesophyll protoplasts

   • Claude Gigot
   • Marguerite Kopp
   • Robert G. Milne

   OriginalPaper Pages: 31 - 41

3. Organization of quadrifid and bifid hairs in the trap ofUtricularia monanthos

   • B. A. Fineran
   • May S. L. Lee

   OriginalPaper Pages: 43 - 70

4. On the magnesium content of the egg of the Medaka,Oryzias latipes, and its changes accompanying fertilization

   • Reiji Hori

   OriginalPaper Pages: 71 - 73

5. On the presence of plastids and the eyespot apparatus in a porfiromycin-bleached strain ofEuglena gracilis

   • Eva Kronestedt
   • Björn Walles

   OriginalPaper Pages: 75 - 82

6. Ultrastructural changes accompanying mitosporogenesis inEctocarpus parvus

   • Paul F. Lofthouse
   • Brian Capon

   OriginalPaper Pages: 83 - 99

7. Plastidenveränderungen in virus-infizierten Zellen in der Attraktionszone vonSarracenia purpurea L.

   • Rudolf H. Barckhaus
   • H. Weinert

   OriginalPaper Pages: 101 - 108

8. Structure and development of sieve areas in the hypocotyl ofPinus resinosa

   • Damian S. Neuberger
   • Ray F. Evert

   OriginalPaper Pages: 109 - 125

9. Untersuchungen zur Aufnahme von Xanthin durchSchizosaccharomyces pombe aus der stationären Wachstumsphase

   • Sigrun Seipel
   • Uwe Reichert

   OriginalPaper Pages: 127 - 135

10. Germination of Cysts inAcetabularia mediterranea

    • H. -U. Koop

    OriginalPaper Pages: 137 - 146

11. Microfibril synthesis at the surfaces of isolated tobacco mesophyll protoplasts, a freeze-etch study

    • J. H. M. Willison
    • E. C. Cocking

    OriginalPaper Pages: 147 - 159

12. Observations on mechanisms of attachment in the green algaUlva mutabilis Føyn

    • Trond Bråten

    OriginalPaper Pages: 161 - 173

13. Changes in chloroplast structure during autospore formation inScenedesmus obtusiusculus

    • Gaurangakumar Das

    Brief Report Pages: 175 - 180

14. Absolute dormancy of pollen induced by soaking in organic solvents

    • Yozo Iwanami

    Brief Report Pages: 181 - 184

15. Chlorophyll content and plastid ultrastructure in leaflets ofMetasequoia glyptostroboides

    • Giannino Laudi
    • Maria Luisa Manzini

    Brief Report Pages: 185 - 190

16. Induction of haploid tobacco plants from isolated pollen

    • J. Reinert
    • Y. P. S. Bajaj
    • E. Heberle

    Brief Report Pages: 191 - 196

17. Membranassoziierte Tubuli während der Chloroplastengenese vonHordeum vulgare L.

    • B. Sprey

    Kurze Mitteilung Pages: 197 - 203