Cohort I. Ranales. Stamens ∞, or if definite the perianth is 3–∞-seriate. Carpels apocarpous, or immersed in the receptacle. Endosperm usually abundant, fleshy.
- Order 1. Ranunculaceæ.
- „ 2. Dilleniaceæ.
- „ 3. Calycanthaceæ.
- „ 4. Magnoliaceæ.
- „ 5. Anonaceæ.
- „ 6. Menispermaceæ.
- „ 7. Berberideæ.
- „ 8. Nymphæaceæ.
Cohort II. Parietales. Stamens ∞ or definite. Ovary unilocular, or divided into loculi by spurious dissepiments, with parietal placentation. Endosperm absent or fleshy.
- Order 9. Sarraceniaceæ.
- „ 10. Papaveraceæ.
- „ 11. Cruciferæ.
- „ 12. Capparideæ.
- „ 13. Resedaceæ.
- „ 14. Cistineæ.
- „ 15. Violarieæ.
- „ 16. Canellaceæ.
- „ 17. Bixineæ.
Cohort III. Polygalinæ. Stamens definite. Ovary usually perfectly or imperfectly bilocular. Micropyle often superior. Fruit very often compressed laterally. Endosperm very often abundant and fleshy.
- Order 18. Pittosporeæ.
- „ 19. Tremandreæ.
- „ 20. Polygaleæ.
- „ 20a. Vochysiaceæ.
Cohort IV. Caryophyllineæ. Stamens definite, or rarely ∞. Ovary unilocular, or imperfectly septate. Placenta central, more rarely parietal. Micropyle inferior. Embryo curved, rarely straight. Endosperm farinaceous.
- Order 21. Frankeniaceæ.
- „ 22. Caryophylleæ.
- „ 23. Portulaceæ.
- „ 24. Tamariscineæ.
Cohort V. Guttiferales. Sepals inbricate. Stamens usually ∞. Ovary septate, placentæ on the inner angles of the loculi. Endosperm absent or fleshy.
- Order 25. Elatineæ.
- „ 26. Hypericineæ.
- „ 27. Guttiferæ.
- „ 28. Ternstrœmiaceæ.
- „ 29. Dipterocarpeæ.
- „ 30. Chlænaceæ.