1. Designed by Pyeongsug Kim ©2010 sibio@att.netsibio@att.net SI Session Topic 15 Bryophytes Spring 2010 For Dr. Hughey’s Bio 3 Class Picture from http://rbg-web2.rbge.org.uk/bbs/Resources/galleryold2.htmhttp://rbg-web2.rbge.org.uk/bbs/Resources/galleryold2.htm Sphagnum

2. Designed by Pyeongsug Kim, ©2009C

3. Phylum ______________ Genus ______________ Hepatophyta Marchantia (Female/Male) gammetophytes(n) Designed by Pyeongsug Kim, ©2009C Gamma cups What do Gamma cups contain?Gammae

4. Designed by Pyeongsug Kim, ©2009C Archegoniophore Sporophytes(2n) Female? Male? Antheridiophore Female? Male? Gemma cups Archegonial head

5. Designed by Pyeongsug Kim, ©2009 Phylum ______________ Genus ______________ Hepatophyta Marchantia Gamma cups (containing gemmae) Function of gemmae? Asexual reproduction

6. Designed by Pyeongsug Kim, ©2009C Antheridia Antheridiophore Phylum ______________ Genus ______________ Marchantia Archegoniophore Archegonia with eggs(n) Hepatophyta

7. Designed by Pyeongsug Kim, ©2009C Phylum ______________ Genus ______________ Marchantia Sporophytes(2n) with spores(n) Hepatophyta seta Foot

8. Phylum ______________ Genus ______________ Anthoceros Anthocerophyta Designed by Pyeongsug Kim, ©2009C Gametophyte Sporophyte Gametophyte thallus Hornworts

9. Phylum Bryophyta Mnium Designed by Pyeongsug Kim, ©2009C “True moss” Class Sphagnidae Class Adreaeidae Class Bryidae Sphagnum “Peat mosses”“Granite mosses” Polytrichum Andreaea

10. ___________ ~ gammetophytes are erect and little branched, bearing terminal sporophytes ____________ ~ creeping, highly branched; the sporophytes are borne laterally Designed by Pyeongsug Kim, ©2009 Growth form in true moss (Class Brydae) Cushiony Feathery

11. What type of Growth form? Feathery? Cushiony? Designed by Pyeongsug Kim, ©2009 Feathery? Cushiony?

13. Phylum ______________ Class ______________ Genus ______________ Mnium Bryophyta Designed by Pyeongsug Kim, ©2009C Sporophyte(2n) Sporangium Female gametophytes(n) Bryidae Feathery? Cushiony? Calsule in Mnium (Sporangium)

14. Phylum ______________ Class ______________ Genus ______________ Mnium Bryophyta Antheridia What happens in these structure? Produce sperms(n) Archegonia Egg Stalk Neck Paraphyses Antheridia Spermatogenus tissue Sterile jacket layer Designed by Pyeongsug Kim, ©2009C Bryidae

15. Designed by Pyeongsug Kim, ©2009C Bud Protonemata The green filamentous growth that arises from spore germination in liverworts and mosses and eventually gives rise to a mature gametophyte. Phylum ______________ Class ______________ Bryophyta Bryidae These filamentous structures grew from spores.

16. Designed by Pyeongsug Kim, ©2010 Phylum ____________ Class ____________ Genus ____________ Bryophyta Polytrichum Bridae What type of growth form? Feathery? Cushiony?

17. Phylum ____________ Class ____________ Genus ____________ Bryophyta Polytrichum Bridae Designed by Pyeongsug Kim, ©2010 Cushiony? Feathery? Calsule in Polytrichum (Sporangium) Calsule in Mnium (Sporangium) Male gammetophytes(n) Female gammetophytes(n) Antheridium

18. Do you remember? The dried moss you saw in Bio3 Lab. It was … Phylum ______________ Class ____________ Genus __________ Sphagnum Bryophyta Designed by Pyeongsug Kim, ©2010 Sphagnidae

19. Phylum ______________ Genus ______________ Female? Male? Marchantia Designed by Pyeongsug Kim, ©2009C Hepatophyta Phylum ______________ Genus ______________ Anthoceros Anthocerophyta Phylum ____________ Class ____________ Genus ____________ Bryophyta Polytrichum Bridae

20. Designed by Pyeongsug Kim, ©2009C Phylum ___________ Genus ___________ Female? Male? Marchantia Hepatophyta Phylum ____________ Genus ____________ Bryophyta Polytrichum Bryidae Phylum ______________ Class ____________ Genus __________ Sphagnum Bryophyta Sphagnidae

21. Phylum ______________ Class ____________ Genus __________ Sphagnum Bryophyta Sphagnidae Designed by Pyeongsug Kim, ©2010