4Botany Notes - Botany Notes 11-4-10 In Marchantia, you get...

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Botany Notes 11-4-10 In Marchantia, you get the sporangia away from the gametophyte by the gametophyte forming a stalk lifting the sporophyte. No seta, have archegoniaphore= nail like thing that lifts. Peat Mosses (Sphagnidae-slide 74) Shagnidae have spongy tissue inside of the leaves. They have living cells and between those are dead cells in the leaves (perforated walls in leaves). The spongy cells soak up water. No conductive cells. This gives them ability to create their own environment. (slide 76) pseudopodium green stalk that is actually the gametophyte forming. The sporophytes are unique, lacking a seta. (slide 78) Sporangia pop open: explosive operculum release instead of peristome. (79) -Sphagnum protonema is actually thallose sheets and is flat. Andraeidae -Live in very hot and dry spots. They have superfast ability to dry (shock dry) to preserve their proteins. When rain comes, they do photosynthesis and go back to sleep again. Sporophyte is relatively short. Sporangium breaks open.
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4Botany Notes - Botany Notes 11-4-10 In Marchantia, you get...

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