An accident in Putnam county sent two men to the hospital Sunday evening.  The Highway Patrol says  Hubert Anderson, 66,  of Pleasant Valley was driving a John Deere Gator eastbound on Black Jack trail, 9 miles NW of Unionville, when he traveled off the left side of the roadway and overturned.  Both Anderson and his passenger,  Larry Caras, 55, of Excelsior Springs sustained serious injuries in the incident.  Anderson was transported by ambulance to Putnam County Memorial hospital, while Caras was taken to Liberty Hospital by air ambulance