1. In memoriam Knut Norstog 1921–2003

   • Dennis Wm. Stevenson

   Announcement Pages: 1 - 4

2. Comparative development of the spermatozoids of cycads andGinkgo biloba

   • Knut J. Norstog
   • Ernest M. Gifford
   • Dennis Wm. Stevenson

   OriginalPaper Pages: 5 - 15

3. Mycorrhizae are present in cycad roots

   • Jack B. Fisher
   • Andrew P. Vovides

   OriginalPaper Pages: 16 - 23

   

4. Seed coat anatomy ofCeratozamia mexicana (Cycadales)

   • María Ydelia SÁnchez-Tinoco
   • E. Mark Engleman

   OriginalPaper Pages: 24 - 38

5. A biotechnology strategy for medium- and long-term conservation of cycads

   • Richard E. Litz
   • P. A. Moon
   • Victor M. Chavez

   OriginalPaper Pages: 39 - 46

6. Effect of gelling agent on growth and development ofCeratozamia hildae somatic embryos

   • P. A. Moon
   • Richard E. Litz
   • Victor M. Chávez

   OriginalPaper Pages: 47 - 53

7. Biochemical characterization of developmental stages of cycad somatic embryos

   • I. Vargas-Luna
   • G. Ortiz-Montiel
   • P. A. Moon

   OriginalPaper Pages: 54 - 62

8. Leaf physiology of shade-grownCycas micronesica leaves following removal of shade

   • Thomas E. Marler

   OriginalPaper Pages: 63 - 71

9. The response of ultrastructure and function of chloroplasts from cycads to doubled CO₂ concentration

   • Bao-Yu Zuo
   • Quan Zhang
   • Chia-Jui Chen

   OriginalPaper Pages: 72 - 78

10. Effects of varying shade and fertilizer on the growth ofZamia floridana A. DC

    • B. Dehgan
    • F. C. Almira
    • B. Schutzman

    OriginalPaper Pages: 79 - 85

11. Patterns of genetic variation and demography ofCycas taitungensis in Taiwan

    • Shong Huang
    • Hui-Ting Hsieh
    • Yu-Chung Chiang

    OriginalPaper Pages: 86 - 92

12. New discoveries of cycads and advancement of conservation of cycads in China

    • Chia Jui Chen
    • Nian Liu

    OriginalPaper Pages: 93 - 100