Phyllis (Slater) Klein, 89, of Lake Worth, Fla. died Feb. 5.  She was the widow of Jonas B. Klein. Born in Boston, she was the daughter of the late Dr. Robert and Eva (Hurwitz) Slater. She is survived by her children, Bonnie (James) Klein Cumberland, Foreside, Me., and Jeanne (Daniel) Kleinman of Farmington; her grandchildren, Karen and Joshua Klein, Susannah Levine and Dr. Jesse Klein, Kendra and Jordan Klein, Kirsten and Jonathan Kleinman, and Rachel and James Adams; and her great-grandchildren, Jake Klein, Jonas Klein, Eva Rose and Jack Adams, and Joseph and Dean Kleinman; and her brother, Dr. Eliot (Miriam Slater) of Boca Raton Fla. She was also predeceased by her sister, Shirley Slater Kazon.