14 ARKIV FÖR BOTANIK. BAND 8. N:0 13. 



var. raljsii Kütz. 



Florida. Manatee Co: Upper Lake Myakka. 



Gymnozyga Ehrenb. 



G. monilijormis Ehrenb. 



Florida. Manatee Co: Miakka, Upper Lake Myakka 



var. gracilescens Nordst. 



Florida. Manatee Co: Miakka, Upper Lake Myakka; 

 Lee Co: Fort Myers. 



Protococcoideae. 



Chaetosphaeridium Kleb. 



C. glohosum (Nordst.) Kleb. 



Florida. Manatee Co: Upper Lake Myakka. 



Pandorina Bory. 



P. morum (Müll.) Bory. 



Quebec. Riviere du Loup. Florida. Manatee Co: Mi- 

 akka. 



Characium A. Br. 



C. minutum A. Br. 



Florida. Manatee Co: Miakka. 



C. subulatum A. Br. 



Florida. Manatee Co: Miakka. 



Pleurococcus Menegh. 



P. vvlgaris Menegh. 



New York. Rochester: Genesee river. 



Hydro dicty on Roth. 



H. reticulatum (L.) Lagerh. 



New York. Rochester: Genesee river. 



