1
nonvascular
nonseed
2
p. 579
3
gametic
zygotic
-1n multicellular
-2n multicellular
organism dominant
organism dominant
-meiosis produces
gametes
spores
-meiosis occurs
after fertilization
-meiosis occurs
before fertilization
sporic
-alternation of gametophyte (n) and
sporophyte (2n) generations-both
multicellular
-spores may be of one kind-homospores
or two kinds-heterospores
-meiosis produces
spores
4
Phylum Hepatophytaliverworts
gemma
cups
P 79 of Photographic Atlas
5
homospores
6
Male gametophytes
antheridial receptacle
7
antheridium
with sperm
antheridial
receptacle
male gametophyte
8
Female
gametophyte
archegonial
receptacle
9
archegonial receptacle
archegonium with
egg
female gametophyte
10
female gametophyte
archegonium
egg
11
sporophyte with
sporangium, spores
and elaters
12
female gametophyte
sporophyte
13
Phylum Bryophyta- mosses
14
p. 581
15
capsules
sporophytes
female gametophytes
16
operculum
section of
capsule
spores (n) in
sporangium
2n
sporophyte (2n)
Phylum Lycophyta
17
strobili
microphylls
18
strobili
Sporangia with
spores (some
species have
homospores, some
have heterospores)
Phylum Pterophyta
horsetails
strobili
microphylls
homospores only
19
whisk ferns
sporangia
true stems only; no strobili
Ferns
megaphylls
(fronds)
rhizome
(horizontal
stem)
roots
20
21
22
p. 585
prothallus
homospore
megaphylls
sporophyll
prothallus
23
sporophyll with sori
24
sporophyll
sori
25
sporophyll
sori
26
sporophyll
sporangia
with spores
sorus
sorus
27
sporangia
with spores
sorus
28
archegonia with eggs
antheridia with
sperm
rhizoids
male gametophyte
or prothallus
female gametophyte or prothallus
29
prothallus or gametophyte (male)
antheridium
with sperm
30
prothallus or gametophyte (female)
archegonia with eggs
31
archegonia with eggs
32
young sporophyte growing
from female gametophyte