(49)
 are: the common blue flag of our swamps, the yellow flag
 of Europe, the German iris, the Siberian iris, the Japanese…
       
          
        (53)
 tropics ; the Illinois acuan is one of the plants representing
 this family here, and many others will be found in the…
       
          
        (7o)
 of Europe, the berries of which are acrid and poisonous ; the
 berries of several of the species of oleaster are edible…