1. VASCULAR PLANTS: TRACHEOPHYTES FERNS AND FERN ALLIES Club mosses and whisk tails

2. Figure 29.23x7 Life cycle of a fern: archegonia The antheridia and archegonia are found on the underside of the gametophyte.

3.  FERN GAMETOPHYTES  Haploid or diploid?  What generation is dominant in ferns?

4. Notice the young sporophyte growing from the gametophyte

5. Ground Pine LYCOPODIUM

6. VASCULAR PLANTS: FERNS AND FERN ALLIES Scouring Rushes Ferns (Horse Tails)

7. Figure 29.21x2 Horsetail

8. Figure 29.23x6 Life cycle of a fern: gametophyte

9. Figure 29.24a Fern sporophyll, a leaf specialized for spore production

10. Figure 29.0 Ferns

11. Figure 29.25 Artist’s conception of a Carboniferous forest based on fossil evidence

13. Figure 29.23 The life cycle of a fern

14. 11 structure 10 9 8 5 3 2 cell 4 1 process 7 6 process

16. Figure 29.23x8 Life cycle of a fern: sporophytes

17. Figure 29.23x1 Life cycle of a fern: mature fern

18. Figure 29.24b Fern sporophyll, a leaf specialized for spore production These are SORI. (singular = sorus) Each contains many SPORANGIA (spore cases)

19. Figure 29.23x2 Life cycle of a fern: sorus Notice the individual sporangia

20. Figure 29.23x4 Life cycle of a fern: mature sporangium

21. Figure 29.23x3 Life cycle of a fern: sporangium

22. Figure 29.23x5 Life cycle of a fern: germinating