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Plant Diversity I Lab . Biology 113. Nonvascular Plants (bryophytes) (exercise 1). Lab study A: Bryophyta …Mosses. Observe living examples of mosses. View prepared slides of Mnium archegonia and antheridia. Study poster. Examine demonstration specimens of mosses (under stereoscope)
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Plant Diversity I Lab Biology 113
Lab study A: Bryophyta…Mosses • Observe living examples of mosses. • View prepared slides of Mnium archegonia and antheridia. • Study poster. • Examine demonstration specimens of mosses (under stereoscope) • Know the life cycle of mosses.
Antheridia Moss (Mniumsp.)
Archegonia Moss (Mniumsp.)
Lab study B: Hepatophyta…Liverworts • Observe live and preserved liverworts • Observe Gemma Cups under the scope
Lab Study A: Lycophyta • Observe live/preserved Selaginella and Lycopodium. • Club moss (Lycopodium sp.) • Resurrection plant demo • Observe prepared slide of Strobilus of Selaginella
Lycopodium Strobili of Lycopodium
Selaginella Spikemoss
Lab study B: Pterophyta… ferns, horsetails, whisk ferns • Observe live/preserved Equisetum (horsetail) Strobili at top of horsetails
Lab study C: Fern Life Cycle • Observe live/preserved ferns (see “pressed” samples) • Know the fern life cycle • View prepared slide of fern gametophyte also observe live gametophyte (prothallium) • Study poster
Lab study D: Fossils • Read section in lab manual, but you won’t be held responsible for identification of fossil seedless vascular plants.