OUl^LINE OF CLASSIFICATION. 30r 



Subkingdom II. BRYOPHYTA. Bryophytes. Mossworts. 



Class I. Hepaticse. Liverworts. 

 Order l. Ricciales. 



Riccia. 

 Order 2. Marchantiales. Liverworts. 



Marchantia. Lunularia. 

 Order 3. Anthocerotales. Horned liverworts. 

 Ozdiex n. Jungermanniales. Leaf y liverworts. Scale mosses. 



Porella. 

 Class II. Uusci. Mosses. 



Order i. Sphagnales. Peat mosses. 



Sphagnum. 

 Order 2. Andreaales, 

 Order 3. Archidiales. 

 Order 4. Bryales. True mosses. 



Bryum. Mnium. Hypnum. 



Subkingdom III. PTERIDOPHYTA. Pteridophytes. 

 Fernworts. 



Class I. Filicinese. 



Order i. Filicales. True ferns. 



Adiantum. Pteris. Aspidium. Asplenium, 

 Order 2. Hydropteridales. Water ferns. 

 Class II. Equiaetineae. Horsetails. Scouring rushes. 



Equisetum. 

 Class III. Lycopodinese. 



Order i. Lycopodiales. Ground pines. 



Lycopodium. 



Order 2. Selaginellales. Club mosses. 



Selaginella. 



Subkingdom IV. SPERMATOPHYTA. Seed plants. 



Class I. GymnospermsB. Gymnosperms. 

 Order l. CycadaUs. Cycads. 

 Cycas. 



