x SYNOPSIS OF CONTENTS. 
PAGE 
8. Chlorophyll bodies, . ; , : 100 
4, Crystalloid coloring matters, . . . 104 
S. Bat, ‘ ‘ : : ; 105 
C: Slatch, ~ . “ 3 ; ‘ - 108 
7. Inulin, “ : : 124 
8. Crystals, cadotonn oxalate, , F . 129 
9. Tannin, . ; . 135 
10. Cell-sap (dry-weight), oui, hesperidin, 
aloin, ; ‘ . 139 
11. Inorganic substances, reduction to aals; ‘ 144 
B. The cell-wall, . 148 
1. Morphological ANE of the cell wid; 
growth in thickness, pores, stratification, 148 
'. 2, Optical behavior of the cell-membrane, . 158 
3. Chemical behavior of the same, . . 4 159 
(a) Cellulose, ; ‘ . 159 
(b) Lignified membrane, acelin, 3 160 
(ec) Cork, cutin, wax, F ‘ . 161 
(a) Intercellular substance, . F 162 
(e) Inorganic deposits, . F .. 163 
(f)Gum, mucilage, . ‘ ; 163 
(g) Pectin, lichenin, ‘ . . 170 
II. Forms of cells, . ‘. e ‘ : 171 
III. Cellular tissue, : ‘ ; ‘ é . 174 
IV. Systems of tissue, . ‘ ; ‘ ; 5 175 
A. Epidermal tissue, ; . 176 
1. Epidermis, hypoderma,. cuthela, appendages 
of the epidermis, hairs, ‘ ae 
2. Periderm, : ‘ Pre tcy’§ 
(a) Phellogen, chelicdebn, Fi 187 
(b) Cork, bork, ‘ F 5 . 188 
B. The mechanical tissue, : : ‘ ae 
Bast, collenchyma, libriform, stone-cells, nu- 
cleus-sheath, ‘ ; ‘ . 194 
C. The absorbing system, : : i) BOS 
Root-hairs, haustoria, i : - 208 
D. The assimilating system, . . : . 209 
Leaf structure, . ‘ ; = . 210 
E. The conducting system, . ‘ ae 
1. Components of the vasculet. bundle, . . 216 
(a) Vascular portion: vessels and tra- 
cheids, wood-parenchyma, . 217 
