SUMMARY
Strobilurus kemptonae Wells, sp. nov., S. occidentals Wells & Kempt., sp. nov., and S. lignitilis Wells & Kempt., sp. nov. are described as they occur in Alaska or in the Pacific Northwest of the United States. Data on S. albipilatus (Peck) Wells & Kempt., comb, nov., S. conigenoides (Ellis) Sing., and S. wyomingensis (Smith & Arenb.) Wells & Kempt., comb. nov. are also included.