CLASSIFICATION. 



209 



Mosses and Liverworts ; and Thallophytes, embracing 

 Lichens, Seaweeds (Algse), and Mushtooms (Fungi). 



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



a 



a 

 ■ a 



& 

 ►J 



^ 



Series I. 



Phanero- 

 gams. 



Class I.— Dicotyle- 

 dons 



Series II. 

 Cryptogams, 



''Sub-class l-Angiospenns, 

 Polypetalous Division, 

 Cfamopetalous do. 

 Apetalous do. 



^Sub-class S'Gymnospenns 



{Spadiceous Division. 

 Petalozdeous do. 

 GluTnaceous do. 



( Class III.— Pteridoiphytes. 



I 



•i: 



Group I. ■ 

 Phanerogams. 



Group II. 



w < Pteridophytes. 



Class IV.— Bryophytes. 

 Class, v.— Thallophytes. 



361. The above is very nearly the arrangement adopted 

 by Gray, but many botanists prefer another arrangement 

 as follows : 



( ^ Class 1,— Dicotyledons. 



A. — Angiosperms. •< 

 < \^ Class U,— Monocotyledons. 



(^B. — Gymnospcrms. Class JlX.—Gymnosperms. 



{Class lY,— Ferns. 

 Class v.— Horsetails. 

 Class Yl.—Club-lHosses. 

 Group III. y Class VII.— Mosses. 



Bryophytes. \ Class Ylll.-Idverworts. 



Group rv. y Class IX.— Fungi. 



ThaUophytes. \ Class X.-4iff«8. 



In this arrangement the last three Groups constitute 

 the Cryptogams, and the Gymnosperms are raised to the 

 ranii of a sub-division of the Phanerogams, instead of 



