240 BOTANICAL DESCRIPTION, ETC. 



stamens only ; those of the margin with pistils only ; 

 as in the Marygold. 



5th. Polygamia Segretata, several florets in one 

 common calyx, yet each floret having a calyx for 

 itself; as in the Glohe Thistle. 



The 22d and 23d classes have their orders chiefly 

 distinguished by their stamens. 



The 24th class has 5 orders, comprehending — 



1st. Filices, or Fern. 



2d. Musci, or Mosses. 



3d. Hepaticae, or Liverworts. 



4th. Algfe, or Flags. 



5th. Fungi, or Mushrooms. 



THE END. 



