1. Brown Algae Anatomy Revisited:
Cortex and Medulla
Figs in Lee 1999
Medulla
Cortex

2. Cell Wall 2 1

3. Commercial Use 13 12 11

4. Cell Wall Components I
Mg2+ K+ 4
Ca2+
Na+

5. Cell Wall Components II3

6. Cell Wall Components III

7. PLASTIDS
Fig in Graham et al. 2008

8. Pigments
Chlorophyll a 6
Fucoxanthin
B Carotene
Violaxanthin 27

9. Pigment Absorption Spectrum7

10. Chloroplast Origin 34

11. Storage Product 3 : 1

12. (Chrysolaminarin) 11 : 1

13. Pyrenoid 8

14. Cell Division

15. Semi-Closed Mitosis

16. Cytokinesis

17. Isomorphic Alternation of Generations
(Ectocarpus)
Sporophyte (2n)
Gametophyte (n)
Spore (n)
Ectocarpus
Ectocarpus
Zygote (2n)
Gametes (n)
Fig in Graham et al. 2008

18. Gametophyte Sporophyte Unilocular Sporangium 11
Pleurilocular Gametangium 12

19. Male Gametangium Female Gametangium (e.g., Ectocarpene) Pheremone
(= Sex Hormone)
(e.g., Ectocarpene)

20. Mixture of Sexual, Asexual Reproduction: Pleurilocular Sporangia
Ectocarpus

21. Ectocarpus Summary
Gametophyte (n)
Sporophyte (2n)

22. Heteromorphic Alternation of Generations
(Laminaria)
Sporophyte (2n)
Gametophyte (n) 14 13
Zygote (2n)
Gametes (n)

23. Unilocular Sporangium
Gametophyte (n)
Sporophyte (2n)
Gametangia

24. (Air Bladders, Receptacles)
Fucus
(Air Bladders, Receptacles) 15

25. Diplontic (2n)
Gametes (n)
Zygote (2n)

26. Conceptacles, Ostiole, Female Gametangia, Male Gametangia16 17 18
Male Gametangia
Female Gametangia
Gametes (n)

27. Sporophyte (2n)
Gametophyte (n) X

28. Stramenopiles: Phaeophyceae18 19

29. 1 http://www.botany.ubc.ca/Biol320/ultra/x7.jpg2
web_000.jpg 3 4 5 6 7
chlorophyll-a_01.gif 8 9 10 11 12

30. 13 http://www.dkimages.com/discover/previews/889/85001718.JPG14 15
closeup.jpg 16
Fucus_Images/Conceptacle_receptacle_MC.low.jpg 17
Protista/images/Oogonia.jpg 18
Nupyxdt73eX6CpKCTnrU3WH5-0i1SFxfWQwdcA4KgW2-8xnnpLsU9hHP
wX*jz/kelpfish.jpg 27