944 



GEOLOGY 



APPENDIX 



REFERENCE TABLE OF THE PRINCIPAL GROUPS OF PLANTS. 



THALLOPHYTES 

 (Thallus plants) 



BRYOPHYTES 



(Moss plants) 



PTERIDOPHYTES 

 (Fern plants) 



SPERMATOPHYTES 

 (Seed plants) 



r 



AlgsB and algoid 

 forms 



f Diatomaceae, diatoms. 



I Coccospheres > ppi ao ,; P oi,, 



| Rhabdospheres J * 



Cyanophyceae, blue-green 

 I Chlorophyceae, green ^| 

 -{ algae, including 

 | stoneworts. 

 | Rhodophyceae, red }True algaD. 



Phaeophycese, brown 



Myxomycetes, "animal fungi," 



slime-molds. 

 Schizomycetes, " fission-fungi," 



bacteria. 



Fungi and fungoid j Phycomycetes, algae-fungi, water- 

 forms I molds. 



Ascomycetes, ascus-fungi, mil- 

 dews. 

 Basidiomycetes, basidium-fungi, 



smuts, rusts, mushrooms. 

 (^Lichens Symbiont algae and fungi. 



\ Hepaticae, liverworts. 

 1 Musci, mosses. 



Lepidodendra, sigillarias, club- 

 mosses. 



Lycopodiales. 

 Sphenophyllales. 



Equisetales 

 Filicales 



Gymnospermse 

 (naked seed) 



Angiosjiermae 



(covered seed) 



(Flowering ])l:i tit- 



( Calamites. 



j Equisetae, scouring-rushes, horse- 



/ tails. 



Filices, true ferns. 



Cycadofilicales. 



Bennettitales. 



Cycadales. 



( 'onlaitales. 



Ginkgoales. 



Coniferales. 

 I Gnetales. 



[ DicotyledoneaD. most common 

 forest trees (except conifer- 

 most shrubs and most netful 



V 



es, etc. 



