1. Proline- and hydroxyproline-rich gene products in the sexual tissues of flowers

   • Jens Sommer-Knudsen
   • Adrienne E. Clarke
   • A. Bacic

   MINI-REVIEW Pages: 253 - 260

2. Production of anisogametes and gamete motility dimorphism in Monostroma angicava

   • T. Togashi
   • Taizo Motomura
   • Terunobu Ichimura

   ORIGINAL PAPER Pages: 261 - 268

3. Allergenic and antigenic proteins released in the apertural sporoderm during the activation process in grass pollen grains

   • Jesús Márquez
   • Juan A. Seoane-Camba
   • María Suárez-Cervera

   ORIGINAL PAPER Pages: 269 - 278

4. Dosage effects in the endosperm of diplosporous apomictic Tripsacum (Poaceae)

   • D. Grimanelli
   • Martha Hernández
   • Yves Savidan

   ORIGINAL PAPER Pages: 279 - 282

5. Profilin revealed in pollen nuclei: immuno-electron microscopy of high-pressure frozen Ledebouria socialis Roth (Hyacinthaceae)

   • M. W. Hess
   • Rudolf Valenta

   ORIGINAL PAPER Pages: 283 - 287

6. Effect of genome-plastome interaction on meiosis and pollen development in Oenothera species and hybrids

   • M. J. Chapman
   • David L. Mulcahy

   ORIGINAL PAPER Pages: 288 - 292

7. Stamens are not essential as an attractant for pollinators in females of cryptically dioecious Thalictrum pubescens Pursch. (Ranunculaceae)

   • Sandra L. Davis

   ORIGINAL PAPER Pages: 293 - 299

8. A tobacco mutant with a reduced cell number in embryo sacs

   • N. Enaleeva

   ORIGINAL PAPER Pages: 300 - 304

9. Selection on pollen donors by Echium vulgare (Boraginaceae)

   • C. Melser
   • Mariëlle C. J. Rademaker
   • Peter G. L. Klinkhamer

   ORIGINAL PAPER Pages: 305 - 312