Ferns
Slides:
16 fern rhizome (root like structure)
epidermis- protects plant from bacteria and fungi
cotex- stores starchand sugar
sclerenchyma- thick walls for structure
xylem- carries water and minerals from roots to leaves
phloem- thin walls that carry sugar and nutrients
pith- first year growth unspecialized cells, a filler
17 fern fetilization
18 fern prothallium (a young sporophyte)
19 fern prothallium flamentous
Wisk ferns
have no true leaves
sprorangia- three are fused, and split to release sores
examples in class: growing in a pot and in a ricker mount dried
most primitve vasular plant
horsetails Equisetum arvense
horsetail gamete
stems are hallow and jointed
contain silica depostits - why they are names scouring rushes (can be used to clean campware)
Club Mosses evergreen, stobilium bare sporangoum
resurrection plant
