1. Molecular probes for the plant cell surface

   • J. P. Knox

   Review Article Pages: 1 - 9

2. Localization of mannose- and galactose-binding lectins in an effective peanut nodule

   • I. J. Law
   • H. J. van Tonder

   Original Papers Pages: 10 - 18

3. Scale biogenesis in the green alga,Mesostigma viride

   • D. S. Domozych
   • B. Wells
   • P. J. Shaw

   Original Papers Pages: 19 - 32

4. Plant cell wall architecture is revealed by rapid-freezing and deep-etching

   • B. Satiat-Jeunemaifre
   • B. Martin
   • C. Hawes

   Original Papers Pages: 33 - 42

5. Determination of the replication time of nucleolar organizer DNA after 5-azacytidine treatment for restricted parts of the S period

   • D. Mergudich
   • C. Leyton
   • C. De la Torre

   Original Papers Pages: 43 - 48

6. Mesophyll protoplasts ofAvena sativa: Characterization of the first cell cycles

   • Bettina Hahne
   • Jacqueline Fleck
   • G. Hahne

   Original Papers Pages: 49 - 54

7. Ultrastructure of root cortical cells parasitized by the ring nematodeCriconemella xenoplax

   • R. S. Hussey
   • C. W. Mims
   • S. W. Westcott III

   Original Papers Pages: 55 - 65

8. Immunocytolocalization of glutamine synthetase in mesophyll and phloem of leaves ofSolanum tuberosum L.

   • Susana Pereira
   • Helena Carvalho
   • R. Salema

   Original Papers Pages: 66 - 73

9. Spatio-temporal reorganization of intracytoplasmic microtubules is associated with nuclear selection and differentiation during the developmental process in the ciliateTetrahymena thermophila

   • J. Gaertig
   • Anne Fleury

   Original Papers Pages: 74 - 87

10. Involvement of actin filaments in chloroplast division of the algaClosterium ehrenbergii

    • H. Hashimoto

    Original Papers Pages: 88 - 96

11. Photoinduction of formation of circular structures by microfilaments on chloroplasts during intracellular orientation in protonemal cells of the fernAdiantum capillus-veneris

    • A. Kadota
    • M. Wada

    Original Papers Pages: 97 - 107

12. The fine structure of aleurone cells in the soybean seed coat

    • R. W. Yaklich
    • E. L. Vigil
    • W. P. Wergin

    Original Papers Pages: 108 - 119

13. Errata

    Erratum Pages: 121 - 121