Possible Clues:

• Flower's fragrance not picked up by the nose?
• The Szczecin Lagoon is an extension of its mouth
• River in Brandenburg
• School blazer insignia
• Flower poem by king
• Make new effort to go up river
• German and Polish river
• There's a ruddy round turn up for the smelly-sounding stream
• Part of the modern Polish-German border
• Polish banker offers nothing to the German