210 ESSENTIALS OF BOTANY 



261. Outline of Classification. 

 DIVISION I. Thallophyta, thallus plants. 

 Series op the Ai.g.e. 



Class 1. Cyanophycem, blue-green algte. 

 " 2. Diatomacece, diatoms. 



" 3. ConjugaUe, conjugating algae. 



" 4. Cliloropliycece, green algse. 



" .5. PhcEophycece, brown algse. 



" 6. Rhodopliycece, red algae. 



Series of the Fungi. 



Class 7. ScMzomycetes, bacteria. 

 " 8. Saccharomycetes, yeasts. 



" 9. Phycomycetes, algal fungi. 



" 10. Ascomycetes, sa,c fungi. 

 " 11. Basidiomycetes, basidia fungi. 



DIVISION II. Bryophyta, liverworts and mosses. 



Class 1. Hepaticce, liverworts. 

 " 2. Musci, mosses. 



DIVISION III. PteridopJiyta, ferns and their allies. 

 Class 1. Filicinere, true ferns. 



" 2. Equisetinem, horsetails. 

 " 3. Lycopodinem, club mosses. 



DIVISION IV. Spermatopliyta, seed-plants. 

 Subdivision I. Gymnospermm. 

 Subdivision II. Angiospermce?- 



Class 1. Monocotyledonea, or Monocotyledons (divided into 

 11 orders). 

 " 2. DicolyledonecB, or Dicotyledons." 



Subclass 1. Choripetalous plants (divided into 28 orders). 

 Subclass 2. Sympetalous plants (divided into 8 orders). 



1 Note that the angiosperms or non-coniferous seed-plants, making up the 

 immense majority of what are ordinarily kno-n-n as flowering plants, only 

 comprise two out of the eigliteen classes of plants hero outlined. Many of 

 the very lowest forms of life, which combine some of the characteristics of 

 animals and plants, are omitted from this table. 



