Some Dictyosporous Genera and Species of Pleosporales in North America. Mem (62) BIGC ARCHIVE The name alludes to the

The name alludes to the resemblance of the inflorescence of closely appressed flowers and bracts to a freshly dipped paint brush

A study of these extant members and the cycad fossil record dating back to over 250 million years ago has revealed that cycads have remained relatively unchanged throughout their long history

This book includes introductory material about the taxonomic history

with due regard to all past accounts

Some Dictyosporous Genera and Species of Pleosporales in North America. Mem (62) BIGC ARCHIVE The name alludes to theDictyospory is prevalent and widespread in the Loculoascomycetes and vast numbers of taxa are known in this class. They present considerable diversity, not only in ascospore shape, pigmentation, sequence and numbers of septa formed, but in characteristics of ascus, hamathecium, peridium and ascoma. This study presents the results of analyses of these features in genera of families belonging to the Pleosporales sensu Barr. Includes descriptions of 82