335 



D. SCHIZOPHYCE/E 



a) Coccogoncae 



Chroococcaceae 



b) Hormoganeae 



i. Oscillatoriaceae 



2. Noslocaceae 



3. Scytonemataceae 



4. Rivulariaceae 



'3b 



A. 



2 g. X 



5 sp. 



6 sp. 

 3 sp, 

 1 sp. 



3 sp. 



7 sp. 

 3 sp. 



1 sp. 



Br. 



N. 



L' 



2 sp, 



3 sp. 3 sp, 

 1 sp. 



Lx. 



Flandre 



or. 



4 sp. 



1 sp, 

 1 sp, 



occ. 



