396 



SAUNDERS 



CATALOGUE OF SPECIES. 



SCHIZOPHYCEiE. 



Family CiZff OOCOCCA CE.^. 

 Chroococcus turgidus (Kuetz.) Naegeli. 



Distributed through a mass of Microcystis jiiarginata which formed 

 a slimy coating on a perpendicvdar cliff over which water was trick- 

 ling. Juneau (75). 



Chroococcus rufescens (Breb.) Naegeli. 



Forming with Stigonenia a reddish coating on a rock five hundred 

 feet above sea level. Prince Williain Sound (Trelease 501). 



Schizothrix lardacea (Cesati) Gomont. 



Forming bright rose-red tufts on rocks exposed to fresh water spray, 

 near Orca, Prince William Sound (304). Identified by Gomont. 



