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Unformatted text preview: g) Antheridia found on terminal shoots, produce many flagellated sperm h) Some species actually have conducting tissues 2. Sporophytes a) Begins with formation of zygote b) Mature sporophyte has three parts (1) Foot - absorbs water, minerals, and food (2) Seta - raises the capsule (3) Capsule - sporangium may have stomata c) Haploid spores grow into gametophyte 3. See life cycle on page 667. 2 II. LIVERWORTS ( Marchantia is really atypical) A.Features 1. Rhizoids are unicellular 2. Gemetophytes usually bilaterally symmetrical 3. Lack a midrib 4. Have pore on upper surface of thallose 5. Sporangia are unstalked 6. Asexual reproduction via gemmae 7. Many are unisexual a) Archegonia form on underside of umbrella-shaped structures called archegoniophors b) Antheridia form on upper surface of disk-shaped cap called antheridiophores 8. See life cycle on page 675 3...
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This note was uploaded on 12/25/2011 for the course BOTANY 206 taught by Professor Wood during the Fall '09 term at Broward College.
- Fall '09