Xx 
A TEXTBOOK OF GENERAL BOTANY 
CHAPTER 
VI. 
Ma gb 
VITI. 
ID.©, 
THE Roor 
General functions 
Growth of roots 
Absorption of materials 
Soil Ree: 
The anatomy of roots 
Specialized roots . 
THE FLOWER. 
Reproduction . as 
The structure of the flower 
The classification of plants 
Pollination . 
Fertilization 
The nucleus 
HEREDITY AND Evo.uotTion . 
Heredity 
Mendelism . 
Plant breeding 
Natural selection . 
Evolution 
Tue FRUIT AND THE SEED . 
The fruit 
The seed 
Seed dispersal . 
Reserve food 
Digestion fe 
Germination of seed . 
Division Twarropuyra 
Divisions of plants and description of Thallophyta 
Class Bacteria . cee 
General survey of alge . Ges 
Class Cyanophyceae (blue-green alge) . 
Class Flagellata ae a 
Class Chlorophyceae (green alge) 
Class Phaeophyceae (brown alge) 
Class Rhodophyceae (red alge) 
