i6o 



SAUNDERS 



[396] 



CATALOGUE OF SPECIES. 



SCHIZOPHYCE^. 



Family CHROOCOCCACEy^. 



Chroococcus turgidus (Kuetz.) Naegeli. 



Distributed through a mass of Microcystis marginata which formed 

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

 ling. Juneau (75). 



Chroococcus rufescens (Brdb.) Naegeli. 



Forming with Stigonema a reddish coating on a rock five hundred 

 feet above sea level. Prince William 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. 



