1. Lab 9 Bryophytes

2. Land Plants General features of the green plants Common name: Land plants Synonyms: Embryophytes, Kingdom Plantae Habitat: Terrestrial, some secondarily freshwater or marine Growth habit: Multicellular; thallus, or stems, roots, and leaves Undulipodia (“flagella”): Whiplash (2 to 1000+) on sperm cells only, or none

3. Land Plants Clonal reproduction: Multicellular propagules, vegetative Sexual reproduction: Heteromorphic alternation of generations Included Phyla: Hepatophyta, Anthocerophyta, Bryophyta, Lycophyta, Psilotophyta, Sphenophyta, Pterophyta, Cycadophyta, Ginkgophyta, Coniferophyta, Gnetophyta, Anthophyta Recognized by: Embryonic sporophytes, airborne meiospores, cuticle

4. Hepatophyta General features of the land plants Common name: Liverworts Synonyms: Marchantiophyta Growth habit: Multicellular; thallus, or stems and leaves Undulipodia (“flagella”): Two whiplash

5. Hepatophyta Conductive cells: None Clonal reproduction: Gemmae (multicellular propagules) Sexual reproduction: Homosporous Representative genera: Marchantia, Porella Recognized by: Sporophytes with short setae, short capsules, and elaters; leaves (if present) without midribs

6.  Marchantia, other genera Hepatophyta

7.  Marchantia gemma cup

8.  Marchantia antheridiophores Hepatophyta

9.  Marchantia antheridiophore Hepatophyta

10.  Marchantia archegoniophores Hepatophyta

11.  Marchantia archegoniophore Hepatophyta

12.  Marchantia sporophytes Hepatophyta

13.  Marchantia mature sporophyte Hepatophyta

14.  Porella preserved gametophyte Hepatophyta

15.  Porella antheridiophore Hepatophyta

16.  Porella archegoniophore Hepatophyta

17.  Porella sporophyte Hepatophyta

18.  Porella sporophyte Hepatophyta

19. Anthocerophyta General features of the land plants Common name: Hornworts Synonyms: None Growth habit: Multicellular; thallus Undulipodia (“flagella”): Two whiplash

20. Anthocerophyta Conductive cells: None Clonal reproduction: None Sexual reproduction: Homosporous Representative genera: Anthoceros Recognized by: Thalloid gametophyte; sporophyte with long capsule

21.  Anthoceros Anthocerophyta

22.  Anthoceros antheridia Anthocerophyta

23.  Anthoceros Anthocerophyta

24.  Anthoceros foot Anthocerophyta

25.  Anthoceros meiosporangium Anthocerophyta

26. Bryophyta General features of the land plants Common name: Mosses Synonyms: Muscophyta Growth habit: Multicellular; stems and leaves Undulipodia (“flagella”): Two whiplash

27. Bryophyta Conductive cells: Leptoids (food) and hydroids (water) Clonal reproduction: Gemmae (multicellular propagules) Sexual reproduction: Homosporous Representative genera: Mnium, Polytrichum Recognized by: Sporophytes with long setae and peristomes, leafy gametophytes

28.  Assorted mosses Bryophyta

29.  Moss protonema Bryophyta

30.  Mnium stem Bryophyta

31.  Mnium antheridia Bryophyta

32.  Moss archegonium Bryophyta

33.  Mnium mature sporophyte Bryophyta

34.  Moss peristome Bryophyta

35. Distinguishing the sporophytes