XXVIll CONTENTS. 
BQO Tat. 
PHYSIOLOGY OF PLANTS, OR PHYSIOLOGICAL BOTANY. 
CHAPTER 1. 
PAGE 
SPECIAL PHYSIOLOGY OF THE ELEMENTARY STRUCTURES AND 
OF THE ORGANS OF NUTRITION . . Pea sit, 
Section 1. 
PHYSIOLOGY OF THE ELEMENTARY STRUCTURES se uc 
1. Functions of Parenchymatous Cells. : ; ; >, Ae 
1. Formation of Cells. ‘ ; ; F ; 2”, fale 
A. Free Cell-formation : ; - 172 
a. Free Cell-formation from ; a nucleus: : 7 ee 
b. Free Cell-formation without a previous nucleus 772 
B. Cell-division . 774 
a. Cell-division without absor ption of the Ww alls of 
the parent cell : 774 
b. Cell-division with absorption of the Ww alls of the 
parent cell : ; : ! ; ey i 
c. Rejuvenescence . : ‘ ; : ey a) hae 
d. Conjugation . ; AS 3 
e.- Indirect Division of the Nuclei ‘of Cells ee! 
Rapidity of Cell-production . ; : : =, aoe 
2. Absorption and Transmission of Fluids . : : inthe 
3. Movements in the Contents of Cells : 2 , . ee 
4, Elaboration of the Cell-contents ; : : Mera 
2. Functions of Prosenchymatous Cells. : 4 : . 785 
3. Functions of Vessels A : ; : : Sis 
Functions of Laticiferous Vessels 5 ‘ : : ey k= 13) 
4. Functions of Epidermal Tissue ; : : : ee 
Origin and Development of Stomata . : ; ; . 788 
5. Functions of the Appendages of the Epidermis : <7 Cae ee 
6. Functions of the Intercellular System . : ‘ : » $89 
SECTION 2. 
PHYSIOLOGY OF THE ORGANS OF NUTRITION . -7 ee 
1. Of the Root or Descending Axis : : : . : > = hate 
Absorption by the Root ; ; ’ ; ; . 790 
Selection of Food by Roots . : : : : : ig ee 
Excretion by Roots. ; é : : : 2 age 
Storing of Nutriment by Roots ; ; : 2 a iad arene 
Development of Roots : : : : ; ; » Tes 
2. Of the Stem or Caulome . 7 eto 
A, Special Functions of the Differ ent Parts of the Stem stk Toe 
a. The Medulla or Pith : ; ; : . 4 hE 
b. The Wood or Xylem . : ; : : oe 
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