Jones: Flora of Illinois 369 



Conspectus of Classification 



Division I. Fl'ERIDOPin'IA 

 Class LvcopsiDA 



Order lycopodiales 



Family 1. Lycopodiaceae 

 Order selaoinrllales 



Family 2. Selaginellaceae 

 Order isoetales 



Family 3. Isoetaceae 



Class Sphenopsida 

 Order equisetales 



Family 4. Equisetaceae 



Class Filicopsida 



Order ophioglossales 



Family 5. Ophioglossaceae 

 Order filicales 



Family 6. Hymenophyllaceae 



7. Osmundaceae 



8. Polypodiaceae 



9. Marsileaceae 

 10. Salviniaceae 



Division II. SPERM ATOPHYTA 



Subdi\ision 1. Gymnospermae 

 Order coniferales 

 Family 1 . Taxaceae 



2. Pinaceae 



3. Taxodiaceae 



4. Cupressaceae 



Subdivision 2. Angiospermae 

 Class 1. Dicotyledoneae 



Subclass 1. Archichlamydeae 

 Order r.\nales 

 Families: 



1. Magnoliaceae 6. Nelumbonaceae 



2. Annonaceae 7. Ceratophyllaceae 



3. Ranunculaceae 8. Berberidaceae 



4. Cabombaceae 9. Podoj^hyllaceae 



5. Nymphaeaceae 10. Menispermaceae 



Order papaverales 

 Families: 



11. Violaceae 15. Droseraceae 



12. Cistaceae 16. Resedaceae 



13. Papaveraceae 17. Capparidaceae 



14. Fumariaceae 18. Cruciferae 



