Botryodiplodia theobromaePat. isolated fromAraucaria cunninghamiiAit. in Malaysia was grown on a series of standard media and inoculated into both living and dead leaves ofAraucaria. A few pycnidiospores were produced in stromata on aged cultures on 2% malt medium whereas pycnidia were produced rapidly in living and dead leaves. Pycnospores were generally two-celled and either hyaline or dark brown and bore longitudinal striations. The validity of includingBotryodiplodia theobromae as a synonym ofDiplodia natalensisPole Evans is discussed.