K 2. E. 
Tuf. 7 . 
rytafifiTih^ 
Werner u Winter, Frnrikf'iirt^M 
r. Nodularia douglasiae shanghaiensis Lea (nach Lea). 
2-3. Nodularia douglasiae nipponensis v. Martens. 4-5. Nodularia douglasiae eras sidens Haas. 
Ô. Nodularia douglasiae shmolatus v. Martens. 7 -//. Nodularia pliculosa v. Martens. 
1 2-1 3. Nodularia verrucifera v. Martens. 
