<i>Anabaena cylindrica</i> (IMAGE) University College London Caption This is the graphic of Anabaena cylindrica, a filamentous cyanobacterium, 1946 watercolor by G. E. Fogg, FRS. Credit G. E. Fogg, FRS Usage Restrictions Please credit: G. E. Fogg, FRS License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.