Floyd Riley Barnes, 54, farmer, died Monday at Baptist Memorial Hospital-Tipton in Covington. Services will be at 2 p.m. Thursday at Maley- Yarbrough Funeral Home with burial in Covington Memorial Gardens. He was a Tennessee National Guardsman. Barnes, the husband of Theresa M. Barnes, also leaves two sons, Ronald Barnes and Roger Barnes; a stepdaughter, Ms. Paula Martin, and three stepsons, Harry Merrithey, Phillip Merrithey and Terry Merrithey, all of Chicago; six sisters, Ms. Maxine Shahan and Ms. Marcile Sanders, both of Covington, Ms. Ruth Townsend and Ms. Dorothy Rooker, both of Lynn, Ala., Ms. Betty Hayes of Memphis and Ms. Sue Jones of Lamont, Ill.; five brothers, Lloyd Barnes and Lester Barnes, both of Covington, Robert Barnes of Jasper, Ala., David Barnes of Chicago and Grady Barnes of Eloise, Fla., and 11 grandchildren. (The Commercial Appeal, Wednesday, April 17, 1991)