PLATE 68
Reserve Cellulose
1. Saw palmetto (Serenoa serrulata, [Michaux] Hook., f.).
2. Areca nut (Areca catechu, L.).
3. Colchicum seed (Colchicum autumnale, L.).
3-A. Porous side wall.
3-B. Cell cavity above the side wall.
PLATE 69
Reserve Cellulose
1. Endosperm of nux vomica (Strychnos nux vomica, L.).
2. Endosperm of St. Ignatia bean (Strychnos ignatii, Berg.).
CHAPTER IX
CELL CONTENTS
The cell contents of the plant are divided into two groups: first, organic cell contents; and secondly, inorganic cell contents.
The organic cell contents include plastids, starch grains, mucilage, inulin, sugar, hesperidin, alkaloids, glucocides, tannin, resin, and oils.