xii CONTENTS 



B. THE MOSSES 

 Type VIII 



PAGE 



FUNARIA HYGROMETRICA ...... 126 



1. The Leafy Stem 



a. Structure . . . . . .128 



6. Apical Development . . . .132 



2. The Sexual Organs .... 132 



3. The Sporogonium or Fruit . 137 



4. Germination of the Spores .... 142 

 Summary ....... 144 



CHAPTER III 



THE ALG^ . . ,146 



A. THE CHLOROPHYCE.E 



Type IX 



(EDOGONIUM 



1. Structure , , 147 



2. Reproduction 



a. Asexual ...... 150 



b. Sexual .,... 152 



Type X 



ULOTHRIX ZONATA 



1. Struetmre . , 159 



2. Reproduction . . . . f ,160 



Type XI 



SPIBOGYRA 



1. Structure ....*. 168 



2. Reproduction . . . . . .170 



