14 



KEY TO FAMILIES. 



Stamens on the calyx ; fruit 

 juicy ; leaves stipulate 



(partly) 



Stamens 10 ; sepals and petals 

 5 ; carpels whorlcd round a 



central beaked axis 



D. Ovary inferior, adherent to the 

 calyx. 

 Stamens numei-ous ; petals 5 ; 

 fi-uit of 1-3 bony nutlets (partly) 

 Stamens few, 5-8 ; herbs. 



Petals and stamens 5 ; fruit of 

 2 1-seeded carpels; flowers in 



an umbel 



Petals 4 ; stamens 8 ; fruit a 4- 



celled capsule 



C. Corolla irregular (petals dissimilar 

 in size or shape). 

 Ovary free, solitary, 1-celled. 

 Corolla pouched at the base. 

 Sepals 2 ; petals 4 ; stamens 6, 



in 2 bundles 



Sepals, petals and stamens 5 

 Corolla not pouched. 

 Petals 5, papilionaceous; 

 stamens 10; fruit a pod 



(partly) 



Petals 4-6, deeply cut ; stamens 

 8-25 ; fruit a capsule open at 



top 



Ovary adherent ; fleshy plants ; 

 petals numerous. 

 Loaves minute, growing on the 

 flattened joints or "plates'" ; 

 style 1 ; fruit a large berry 

 Leaves conspicuous ; styles sev- 

 eral ; fruit a capsule 



B. Corolla of 1 piece, petals united 



(monopetalous). 



H. Ovary superior, free, cither within 



the corolla or at the bottom of the 



calyx. 



L Stamens 5. united in a tube and 



bearing 5 appendages on their 



backs ; leaves opposite ; fruit a 



large follicle 



L Stamens free, inserted on the corolla 

 or united with it. 

 J. Fruit of 2-4 usually dry carpels, 

 separating at maturity. 

 K. Carpels 4. 



Stamens 5, alternate with the 

 lobes of the usually regular 

 corolla; leaves alternate; 

 stems cylindrical (partly 



ROSACE.E 17 



Geraniace.e 10 i^ , 



ROSACE^E 17 



Umbellifee.e 22 

 Onagkace^ 18 



FUMARIAI E.ii 3 

 VlOLACE-E 6 



LEGtIMINOS.E 16 



Resedace.e 5 

 CactacEjE 20 



FiCOIDACE.E 21 



AsCLEPIADACEfi 32 



) B0RAGINACE.E 36 



