PLANT KINGDOM 2OQ 



work will permit the discussion of but a few. It may be con- 

 venient to precede this study with a brief outline of a general 

 classification including the divisions of a higher grade, since it is 

 only the more general features of morphology and relationship 

 which come within the scope of this work. 



PLANT KINGDOM. 



SUBKINGDOM I. Thallophyta. 



THE ALG^. 



Class I. Chlorophycese. 



Subclass Protococcoideae. 



Subclass Conjugatae. 



Subclass Confervoideae. 



Subclass Siphoneae. 

 Class II. Charophyceae. 

 Class III. Cyanophyceae. 

 Class IV. Diatpmeae; or BacillarialeSo 

 Class V. Phaeophyceae. 

 Class VI. Rhodophyceae. 



THE SLIME MOLDS. 



Class VII. Myxomycetes. 



THE BACTERIA. 



Class VIII. Schizomycetes. 



THE FUNGI. 



Class IX. Phycomycetes. 

 Class X. Ascomycetes. 

 Class XL Basidiomycetes. 



