CLASSIFICATION. 209- 



Mosses and Liverworts ; and Thallophytes, embracing 

 Lichens, Seaweeds (Algae), and Mushrooms (Fungi). 



360. So far, then, our classification is as follows : 



Series II f Class III -~ I>terido P n y tes - 



< Class IV. Bryophytes. 

 Cryptogams. 



361. The above is very nearly the arrangement adopted 

 by Gray, but many botanists prefer another arrangement 

 as follows : 



/ ( ( Class I Dicotyledons. 



Group I. A. Angiosperms. 4 



< V. Class II. Monocotyledons. 



Phanerogams. I 



{B. Gymnosperms. Class III Gymnosperms. 



Group II. J 



( Class IV. Ferns. 

 Class V, Horsetails. 



Pteridophytes. 



V Class VI. Club-Mosses. 



Group III. /Class VII. Mosses. 



Bryophytes. \ Clasg vm.-Wi-noorte 



Group IV. f Class IX. Fungi. 



Thallophytes. \ClassX.-. 



In this arrangement the last three Groups constitute 

 the Cryptogams, and the Gymnosperms are raised to the 

 rank of a sub-division of the Phanerogams, instead ot 



