It is very small and produces the gametes. Sori (containing sporangium) are on the underside of the fronds.Sporophyte has vascular tissue in their stems but not in their hyphae or fronds.Lack vascular tissue in their hyphae (2N) which are root-like.Sperm must swim from antheridium to archegonium (therefore must be close to water).Haploid cells sprout to form gametophyte. Lifecycle dominated by sporophyte stage.Vascular - xylem and phloem to conduct water and nutrients.Gametophyte shows two different sexes, male antheridium and female archegonium.Show many of the characteristics believed to be in the first land plants.
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