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Transcript 
Lecture supplements
4.16.12 Ferns and Early vascular
plants
Types of Vasculature in Early land
plants
Types of Leaves in early land
plants
Extinct Phyla of early vascular
plants
Cooksonia fossil; a member of the
Rhyniophyta phylum
Lycopodium sp
Lycopodium sp
Lycopodium life cycle
Selaginella sp
Selaginella sp
Selaginella sp
Selaginella sp
Selaginella life cycle
Quillworts:
Isoetes sp
Phylum Pteridophyta
Phylum Pteridophyta
Phylum
Pteridophyta
Phylum
Pteridophyta
Phylum Pteridophyta
Life cycle of Filicales
Water Fern
Water Fern- sporocarps
Psilotum (Whisk Fern) Life cycle
Equisetum: vegetative vs
reproductive shoots
Equisetum life cycle
Phylogeny of the tracheophytes
Lab slides
Prelab Quiz
1. How do club mosses (Lycopodium) differ
from whisk ferns (Psilotum)?
2. Name one of the odd uses of
Lycopodium spores.
3. What is the difference between a
microspore and a megaspore?
4. What are fern leaves called?
5. What is circinate vernation?
Sporophylls of Lycopodium and
Selaginella
Fern Sporangium Dynamics and
Annulus
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