Key to the System of 



3. Petals usually disunited, not rarely absent. (Exceptions 



for Victoria : some Pittosporeae, all Polygaleae, Correa, Stack - 

 housia, Statice partly, most Leguminosse. ) Figures 1-63. 



Choripetaleae. 4 



Petals usually united, very rarely absent. (Exception: 



Notelaea). Figures 64-110. Synpetaleae. 57 



4. Stamens often inserted at the base of or below the 



ovulary ; fruit nearly aways adnate only at its base. 



(Exceptions : Eupomatia, Cassytha, Fagus, Boerhaavia, 

 Scleranthus, some Ficoideae). Figures 1-44. 



Choripetaleae hypogynae. 5 



Stamens often inserted away from the base of the 

 ovulary: fruit generally adnate to the sides of the 



Calyx. (Exceptions : Leguminosae, many Rosaceae and Saxi- 

 frageae, all Salicarieae and Viniferae, Exocarpos). Figures 



45-63. Choripetaleae perigynae. 46 



ORDERS OF PLANTS. 



DICOTYLEDOIVEAE. 



Choripetaleae hypogynae. 



5. Fruit generally formed of separate fruitlets, each of 



them with a distinct style and stigma. (AlsoBrachy- 

 chiton.) Figures 1-6 ... ... ... ... ... 6 



Fruit entire, lobed or finally separable into fruitlets; 

 styles usually united or solitary. Figures 7-44 ... 13 



6. Stamens indefinite in number ... ... ... ... 7 



Stamens definite in number ... 12 



7. Calyx generally deciduous ... ... ... ... 8 



Calyx generally persistent ... ... ... ... 9 



