jessicat322's photostream

pterophyta- "adders tongue fern" -Eusporangiate

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Uploaded on Apr 22, 2008

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lycopodium - lycophyta - leafy stem -structure at pointer is microphyll. It is a single unbranched...

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Uploaded on Apr 22, 2008

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Lycopodium- lycophyta- club moss -leaves with many sporangia that develop into spores -homosporous

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Uploaded on Apr 22, 2008

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Selaginella strobilus -only genus of family selaginellaceae -heterosporous with unisexual...

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Uploaded on Apr 22, 2008

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Prothallium -gametophyte, lots of antheridia (brown balls), rhizoids (slender tubes)

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Uploaded on Apr 22, 2008

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selaginella -megasporophyte with the megasporophyte lining (gold lining) Parts present are roots, stem, leaf

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Uploaded on Apr 22, 2008

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Polypodium leaflet- clusters of lepto sporangium (common type), spores inside fern---> pterophyta

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Uploaded on Apr 22, 2008

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Osmunda claytoniana meiosis- has the less common type of sporangia, the eusporangia

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Uploaded on Apr 22, 2008

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Liverworts- Marchantia -B gamma cups -specialized asexual reproductive structures -gemmae (located...

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Uploaded on Apr 22, 2008

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Uploaded on Apr 22, 2008

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Marchantia antheridiophore -The tiny red cells will each develope into sperm- this is true antheridia containing antheridiospores

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Uploaded on Apr 22, 2008

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Hepatophyta Marchantia- liverwort -Archegoniphore with archegonia containing an egg. The egg is the dark blue circle

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Uploaded on Apr 22, 2008

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Marchantia (liverworts) -young sporophyte/ antheridia, sheath around it is archegonia, the top is the capsule

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Uploaded on Apr 22, 2008

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Hornworts- Anthocerophyta- antheridia *note no internal anatomy

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Uploaded on Apr 22, 2008

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hornworts- anthocerophyta -slide is showing a longitudinal section of a sporophyte * The spores are in tetrads which can be seen on this slide

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Uploaded on Apr 22, 2008

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Hornworts -gametophyte- long part (haploid) -sporophyte-flat part (diploid) -two black dots (gametangia)

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Uploaded on Apr 22, 2008

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Moss anthiriduim with sperm- "polytrichum" anthiridial head

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Uploaded on Apr 22, 2008

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Mosses- egg cell and archegonia at pointer ex 3b "mnium archegonia"

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Uploaded on Apr 22, 2008

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