Plate 116 



Figs. 1, 2. Armhaena circinalis Rabenhorst, x 525 



Figs. 3, 4. Anabaena Felisii ( Menegh. ) Bornet & Flahault, x 750 



Figs. 5, 6. Anabaena circinalis var, macrospora ( Wittr. ) DeToni 

 x640 



Fig. 7. Anabaena flos-aquae ( Lyngb. ) De Brebisson, x 750 



Fig. 8. Anabaena helicoidea Bernard, x 750 



Figs. 9, 10. Anabaena inaequalis (Kuetz.) Bornet & Flahault, x 1350 



Fig. 11. Anabaena lapponica Borge, x 900 



[892] 



