210 ESSENTIALS OF BOTANY 
261. Outline of Classification. 
DIVISION I. Thallophyta, thallus plants. 
SERIES OF THE ALG. 
Cass 1. Cyanophycee, blue-green alge. 
2. Diatomacee, diatoms. _ 
8. Conjugate, conjugating alge. 
“ 4. Chlorophycee, green alge. 
5. Phewophycee, brown alge. 
6. Rhodophycee, red alge. 
SERIES OF THE FuNGI. 
Crass 7. Schizomycetes, bacteria. = 
ie 8. Saccharomycetes, yeasts. 
“ 9. Phycomycetes, algal fungi. 
“ 10. Ascomycetes, sac fungi. 
“ 11. Basidiomycetes, basidia fungi. 
DIVISION II. Bryophyta, liverworts and mosses. 
Crass 1. Hepatice, liverworts. 
“ 2. Musci, mosses. 
DIVISION III. Pieridophyta, ferns and their allies. 
Crass 1. Filicinea, true ferns. 
7 2. Equisetinee, horsetails. 
3. Lycopodinee, club mosses. 
DIVISION IV. Spermatophyta, seed-plants. 
Suspivision J. Gymnosperme. 
Sunpivision II. Angiospermae. 
Crass 1. Monocotyledonee, or Monocotyledons (divided into 
11 orders). 
«“ 2. Dicotyledonee, or Dicotyledons. 
Suscrass 1. Choripetalous plants (divided into 28 orders). 
Suscrass 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 known as flowering plants, only 
comprise two out of the eighteen classes of plants here outlined. Many of 
the very lowest forms of life, which combine some of the characteristics of 
animals and plants, are omitted from this table. 
