Gymnosperms

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Across
  1. 3. common name of gymnosperms with pinnate leaves
  2. 7. protective layer outside the ovule
  3. 8. largest family of cycads in Australia
  4. 9. gymnosperm family with circinate vernation
  5. 11. modified leaves in male cones that bear the pollen sacs
  6. 15. _ _ _ _xylic wood of cycads
  7. 18. common family name of ramified gymnosperms
  8. 20. product of the generative cell in pollen grains
  9. 22. suffix designating a family in plants
  10. 23. common name for the Podocarpaceae, _ _ _ _ pines
  11. 24. suffix referring to secondary wood of conifers
  12. 26. Latin for a leaf
Down
  1. 1. subtends the ovuliferous scales of conifers
  2. 2. nutritive tissue in the ovule, from the sporophyte
  3. 4. male and female cones separate but borne on one tree
  4. 5. reproductive structure absent in female Cycadaceae
  5. 6. separate male and female plants eg in cycads and plum pines
  6. 10. distinguishing character of Cycadaceae leaflet
  7. 11. seed bearing modified leaves of cycads
  8. 12. uncurling young leaves of cycads
  9. 13. contains the endosporic male gametophyte of seed plants
  10. 14. unlike cycads the leaves of conifers are _ _ _ _ _ _
  11. 16. recently discovered araucaria from NSW
  12. 17. compound leaves of cycads
  13. 19. Latin for large
  14. 21. Latin for small
  15. 25. organ equivalent to the megasporangium of spore plants