Xll CONTENTS. 



PAGE 



Squamarise 152 



Helmintliocladia? 156 



"Wrangeliaceas 160 



E,hodymeniacea3 163 



Cryptonemiacese 173 



Spyridiacese 197 



Ceramiacese 199 



Geass-geeen Sea oe Feeshwatee Weeds. — Chloeospee- 



MEH 2-11 



Siphonacese 241 



Ulvacese 247 



Confervacese 258 



Oscillatoriacese 282 



Nostochineee 294 



Bulbochsetacese 297 



Explanation oe Scientific Teems 298 



Index 307 



