Brown: Algal periodicity 247 



Protococcaceae 



Coelastrum Naeg. 



microporum Naeg. 

 Seenedesmus Meyen 



caudatus Corda. 20 Jl '07. 



obtusus Meyen. Pond no. 4, 4 D '06. 

 Nepkroeytium Naeg. 



Agardhianum Naeg. Upper part stream no. 



1, 27 Je '07. 



N 



Palmellaceae 



Tetraspora Link 



lubrica (Roth) Ag. 

 Gloecystis Ag. 



gigas (Kiitz) Lagerh. Pond no. i, N '06 to 



Au '07. 



HETEROKONTAE 



CONVERVALES 





Tribonemaceae 



OpJiiocytium Naeg. 



bicuspidatum (Borge) Lemm. Pond no. I, 30 





CYANOPHYCEAE 



Nostocaceae 



Ap '07. 



N os toe Vauch. 



verrucosum Vauch. 

 commune Vauch. 

 Anabaena Bory, sp. 



1 



Oscillatoriaceae 



Lyngbya Ag. 



ochracca (Roth) Thur. Edge of water- works 



reservoir, 2 N '06. 

 Juliana Menegh. 

 Oscillatoria Vauch. 



tenuis Ag. 

 limosa (Roth) Ag. 

 t>rineeps Vauch. 



