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Family RICCIACEAE. 
Family MARCHANTIACEAE. 
Order Jungerianiales. 
Family METZGERIACEAE. 
Family }UNGERMANIACEAE. 
Order Anthocerotales. 
Family ANTHOCEROTACEAE. 
(Sub-class Musct.)* 
Order Sphagnales. 
Family SPHAGNACEAE. 
Order Andraeales. 
Family ANDRAEACEAE. 
Order Archidtales, 
Family ARCHIDIACEAE. 
Order Bryales. 
(I omit the somewhat numerous families of 
this order as unnecessarily extending this 
_ illustration.) 
Crass PTERIDOPHYTA. 
Order Filicales. 
Family OPHIOGLOSSACEAE. 
Family MARATTIACEAE. 
Family HYMENOPHYLLACEAE. 
Family OSMUNDACEAE. 
Family ScHIZAEACEAE. 
Family GLEICHENIACEAE. 
Family PoL_ypapiacear. 
Family CYATHEACEAE. 
Family MARSILEACEAE. 
Family SALvINIACEAE.* 
Order Equisetales. 
Family EQuisETACEAE. 
Family CALAMARIACEAE (fossil).+ 
Order Sphenophyllales. 
Family SPHENOPHYLLACEAE (fossil).+ 
Order Lycopodiales. 
Family LycopoprAcEae. 
_* See foot-note on preceding page. 
