1. CHAPTER 30 PLANT DIVERSITY II: THE EVOLUTION OF SEED PLANTS Seed

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3. Moss leaf cross section

4. Change in Dominance of Generations

5. Ovule to Seed

6. Winged seed of a White Pine

8. Division Ginkgophyta Ginkgo Tree a “living fossil” only surviving species of a once large Division

9. Division Ginkgophyta Ginkgo Tree

11. Division Ginkgophyta Ginkgo Tree Male

12. Division Ginkgophyta Ginkgo Tree Female

13. Division Ginkgophyta Ginkgo Tree Sperm

14. Division Cycadophyta- Cycads

15. Division Cycadophyta- Cycads Cone

16. Welsitschia

17. Gnetum

18. Ephedra

19. Division Coniferophyta Douglas Fir

20. Division Coniferophyta Sequoia

22. Division Coniferophyta Cypress

23. Division Coniferophyta Pacific Yew

24. Division Coniferophyta Juniper

25. Division Coniferophyta Pine farm

26. Division Coniferophyta Wollemia pine

27. Division Coniferophyta Bristle cone pine Oldest living organism

28. Pollen Cones

29. Pollen Cone

30. Pollen grains

31. Immature seed cones

32. Seed Cones

33. Seed cones

34. Megasporangium

35. Pollen sacs - Microsoprangium

36. Pollen grain

37. Life cycle of a pine tree

38. Life cycle of a pine tree

40. Pine seed and embryo

41. Division Anthophyta angiosperms

42. Division Anthophyta angiosperms-water lily

43. Division Anthophyta angiosperms-Star anise

44. Division Anthophyta angiosperms- Orchid

45. Division Anthophyta angiosperms California Poppy

46. Tracheids are more primitive than vessel elements; ferns only have tracheids; gymnosperms have both but angiosperms have the most vessel elements.

48. Division Anthophyta Angiosperms