1. Characterization of a sperm lysin of Volvox carteri

   • Sabine Waffenschmidt
   • Michael Knittler
   • Lothar Jaenicke

   Original Articles Pages: 1 - 6

2. Relationships of pollen size, pistil length and pollen tube growth rates in Rhododendron and their influence on hybridization

   • E. G. Williams
   • J. L. Rouse

   Original Articles Pages: 7 - 17

3. Release of proteins from the pollen wall of Linum grandiflorum

   • R. Dulberger

   Original Articles Pages: 18 - 22

4. Sexual differentiation in Asparagus officinalis L.

   • M. Bracale
   • M. G. Galli
   • C. Soave

   Original Articles Pages: 23 - 30

5. The genetics of two homothallic species of the Mucoraceae

   • W. L. Gauger

   Original Articles Pages: 31 - 34

6. Lectin activity in pollen from plants representative of thirty orders of spermatophyta

   • G. Carratú
   • M. Giannattasio

   Original Articles Pages: 35 - 40

7. Pollen ontogenesis in Oenothera: a comparison of genotypically normal anthers with the male-sterile mutant sterilis

   • Ines Noher de Halac
   • Ines Adriana Cismondi
   • Cornelia Harte

   Original Articles Pages: 41 - 53

8. Identification of pistil-specific proteins associated with three self-incompatibility alleles in Solanum chacoense

   • B. Xu
   • P. Grun
   • T. -H. Kao

   Original Articles Pages: 54 - 60

9. Fine structure of the wet, detached cell stigma of the orchid Dendrobium speciosum Sm.

   • A. T. Slater
   • D. M. Calder

   Original Articles Pages: 61 - 69

10. Early post-pollination events in hexaploid wheat × maize crosses

    • D. A. Laurie
    • M. D. Bennett

    Original Articles Pages: 70 - 76