580 APPENDIX ON THE CLASSIFICATION OF PLANTS. 



System of HOOKER and BENTHAM (Genera plantarum, 1862-1883). 



DICOTYLEDONES. 



I. POLYPETAL^E. 



Series I. Thalamiflorae. Calyx most often free from the ovary. Petals 

 uniseriate or often 2-Oo-seriate. Stamens oo or definite, inserted on the recep- 

 tacle, often small, or raised, or stipitate. Ovary most frequently free. 



Cohort I. BANALES. Stamens oo, or if definite the perianth is 3- oo-seriate. 

 Carpels apocarpous, or immersed in the receptacle. Endosperm usually abun- 

 dant, fleshv. 



Order 1. Banunculaceae. 

 ,, 2. Dilleniaceaa. 

 3. Calycanthacese. 

 ,, 4. Magnoliaceee. 



Order 5. Anonaceae. 

 ,, 6. Menispermaceffl. 

 7. Berberideas. 

 ,, 8. Nymphaeacese. 



Cohort II. PAKIETALES. Stamens oo or definite. Ovary unilocular, or divided 

 into loculi by spurious dissepiments, with parietal placentation. Endosperm 

 absent or fleshy. 



Order 9. Sarraceniaceaa. 

 ,, 10. Papaveraceae. 

 11. Cruciferae. 

 ,, 12. Capparidero. 

 , 13. Besedaceae. 



Order 14. Cistineae. 

 ,, 15. Violarieae. 

 16. Canellaceaa. 

 ,, 17. Bixineae. 



Cohort III. POLYGALIN^;. Stamens definite. Ovary usually perfectly or im- 

 perfectly bilocular. Micropyle often superior. Fruit very often compressed 

 laterally. Endosperm very often abundant and fleshy. 



Order 18. Pittosporeae. I Order 20. Polygaleae. 



,, 19. Tremandreae. | ,, 20a. Vochysiaceae. 



Cohort IV. CAKYOPHYLLINE.E. Stamens definite, or rarely oo. Ovary unilo- 

 cular, or imperfectly septate. Placenta central, more rarely parietal. Micropyle 

 inferior. Embryo curved, rarely straight. Endosperm farinaceous. 



Order 21. Frankeniacese. I Order 23. Portulaceae. 



22. Caryopbyllese. | ,, 24. Tamariscinese. 



Cohort V. GUTTIFE RALES. Sepals inbricate. Stamens usually oc. Ovary 

 septate, placentas on the inner angles of the loculi. Endosperm absent or 

 fleshy. 



Order 25. Elatineaa. 

 ,, 21). HypericincBa. 

 27. Guttiferse. 



Order 28. TernstroemiacezB. 



,, 29. Diptcrocarpeee. 



30. Chlaanaceffi. 



