PLANISTROMELLACEAE, A NEW FAMILY IN THE DOTHIDEALES

The new family Planistromellaceae is presented to include taxa having ascostromata, interthecial tissues, and schizogenously formed, periphy sate ostioles. Members of the family are species of Planistromella, Pl anistroma, Loratospora, the new genus Eryptio, Microcyclus, and Mycosp haerellopsis. New combinations are proposed for Planistromella yuccige na, P. acervata, P. parryi, Eruptio acicola, E. pini, and Microcyclus kawagoeii.