Bryophytes
non vascular land plants
independent
is the gametophyte dependent or independent?
dependent
is the sporophyte dependent or independent?
mosses
musci
gametophyte
has green leafy stems (mosses)
rhizoids
multicellular, trichome-like, root-like function
leaves
midrib, no vascular tissue, scant cuticle found on mosses
sperm
comes from the antheridium
water
required by sperm
egg
produced by archegonium
sporophyte
depends on the gametophyte
capsule
sporangium at the tip of moss sporophyte
peristome teeth
bend outward, release dry moss spores
Hepaticae
liverworts
antheridia and archegonia
form of seperate stalked structures on liverworts
sporophyte
found on short stalk on liverworts
archegoniate stalk
where is the sporophyte borne?
Anthoceridae
hornworts
sporophyte
found upright in hornworts, splits into halves and releases spores