title: Dryas
text: # Dryas
  
  Dryas may refer to:
  
  ## Biology
  
  * Dryas (plant), a genus of plants
  * Dryas, a monotypic genus of butterflies containing the single species Dryas iulia
  * Dryas monkey (Cercopithecus dryas), a little-known species of guenon found only in the Congo Basin
  
  ## Geology
  
  * Dryas, the name of several climatic periods, named for their abundant dryas flowers:
     * Oldest Dryas
     * Older Dryas
     * Middle Dryas
     * Younger Dryas
  
  ## Other uses
  
  * Dryas (mythology), several characters in Greek mythology
  * Drias, Kavala, or Dryas, a village in Greece
  