Stoneworts

1
Stoneworts
2
Alternation of Generations
3
Moss sporophytes and gametophytes
sporophytes
gametophytes
4
Moss antheridia
Sperm
5
Moss antheridia w/sperm
6
Moss archegonia
ovum
7
Moss archegonia 2
ova
8
Moss archegonia 3
9
Moss sporophytes
10
Moss capsule (sporophyte)
Operculum
Spores
11
Liverwort
12
Liverwort antheridiophore
13
Liverwort antheridiophore 2
14
Liverwort antheridia
Antheridiophore
sperm
15
Liverwort antheridia w/sperm
16
Liverwort archegoniophore
17
Liverwort archegonia w/ova
Archegoniophore
ovum
Archegonium
18
Liverwort sporophyte
Archegoniophore
19
Liverwort sporophyte 2
spores
20
Liverwort gemmae cups(cupules)
21
Gemmae cups (cupules)
Gemma cup (cupule)
gemma
22
Hornwort
sporophytes
gametophyte
23
Hornwort 2
Horn like Sporophyte
gametophyte
24
Rhyniophyta
25
Psilophyta
26
Psilophyta gametophyte
27
Lycophyta
strobila
leaves
28
Lycophyta strobilus
microspores
sporophylls
megaspores
29
Lycophyta strobilus 2
Megaspores
megsporangium
Microspores
30
Lycophyta gametophyte
31
Sphenophyta
strobilus
32
Sphenophyta strobilus
33
Sphenophyta gametophyte
34
Pterophyta sporophyte
35
Pterophyta sporophyte2
36
Fern frond w/ sori
37
Sori on fern leaflets
38
Sorus
39
Fern sporangia
Sporangium
Spores
Annulus
40
Fern sporangia and spores
41
Fern gametophyte
42
Fern gametophyte
43
Gametophyte w/antheridia
Gametophyte (prothallus)
Antheridia
sperm
44
Antheridia w/sperm
Antheridium
sperm
45
Gametophyte w/archegonia
Archegonia
46
Gametophyte w/archegonia 2
Archegonia
47
Archegonia on surface of prothallus
48
Fern sporangium and prothallus
Sporophyte
Gametophyte (prothallus)
49
Fern Life Cycle
50
Pinus staminate cones
51
Pinus Ovulate cone (mature)
52
Staminate cone with pollen
Pollen grains (microspores or micorgametophytes)
53
Pinus microgametophytes (mature pollen grains)
Wing
Tube nucleus
Generative nucleus
54
Pinus ovulate cone
megasporophyll
ovule
55
Pinus megasporophyll
Megaspore mother cell
Megasporophyll
56
Ovule w/megaspore mother cell
Megaspore mother cell
Ovule
57
Pinus Mega-gametophyte

Ovule
Ovum
58
Pollen tubes
59
Pollen tube 2
Ovule (megagametophyte)

60
Pinus seed
Haploid endosperm (gametophyte tissue)
61
Cycadophyta
62
Cycadophyta 2
63
Cycadophyta ovulate cones
64
Ginkgophyta
65
Ginkgophyta leaves
66
Ginkgo ovules/seeds
(naked) ovules
(naked) seeds
67
Ginkgo staminate cones
68
Gnetophyta
69
Gnetophyta/Ephedra
70
Flower structure
(corolla)
(carpel)
(calyx)
71
Inflorescences
72
Anther1
73
Anther 2
74
Dehiscing anther
Pollen grains
75
Mature pollen grains
76
Lilium ovary (immature)
77
Lilium ovule
ovule
Megagametophyte (embryo sac)
funiculus
78
Dicot Seed
A plumule B hypocotyl C cotyledon D
testa E radicle
E
79
Dicot seed germination
Radicle
80
Monocot seed
Embryo
Testa
Plumule
Cotyledon
Radicle
Endosperm
81
Monocot seed germination
82
Dicot root
83
Dicot root 2
Parenchyma
84
Dicot root 3
Endodermis and casparian strip
Pericycle
Phloem
Xylem
Vascular cambium
85
Monocot root
Pith
86
Monocot root 2
Parenchyma
Pith (Parenchyma)
87
Monocot root 3
Endodermis
88
Dicot stem
89
Dicot stem 2
phloem

sclerenchyma
Vascular cambium
90
Monocot stem
91
Monocot stem 2
Sclerenchyma
Outside
Phloem Sieve element Companion cell
Xylem vessel
Air space
Inside
92
Woody stem
Summerwood
Springwood
93
Woody stem 2
Cork
Vascular cambium
Phloem
Phloem ray
Xylem
94
Woody stem 3
Cork (collenchyma tissue)
Vascular cambium
95
Plant Structure
96
Leaf bud
Ground meristem
97
Leaf bud 2
Apical meristem
Ground meristem
Provascular tissue