Chapter V: Conducting Tissue

Vessels and tracheids 126
Annular vessels 127
Spiral vessels 127
Sclariform vessels 128
Reticulate vessels 131
Pitted vessels 131
Pitted vessels with bordered pores 131
Sieve tubes 136
Sieve plate 138
Medullary bundles, rays and cells 138
Medullary ray bundle 139
The medullary ray 139
The medullary ray cell 141
Structure of the medullary ray cells 142
Arrangement of the medullary ray cells in the medullary ray 142
Latex tubes 142
Parenchyma 144
Cortical parenchyma 147
Pith parenchyma 147
Leaf parenchyma 150
Aquatic plant parenchyma 150
Wood parenchyma 150
Phloem parenchyma 150
Palisade parenchyma 150

CHAPTER VI

AERATING TISSUE

Water pores 151
Stomata 151
Relation of stomata to the surrounding cells 154
Lenticels 157
Intercellular spaces 158

CHAPTER VII

SYNTHETIC TISSUE

Photosynthetic tissue 163
Glandular tissue 164
Glandular hairs 164
Secretion cavities 166
Schizogenous cavities 168
Lysigenous cavities 168
Schizo-lysigenous cavities 168

CHAPTER VIII

STORAGE TISSUE

Storage cells 173
Storage cavities 176
Crystal cavities 176
Mucilage cavities 176
Latex cavities 176
Oil cavity 178
Glandular hairs as storage organs 178
Storage walls 179