24?* SIX MALES. 



FOUR FEMALES. 



fTetragynia.J 



459 PetivERIA. CaL 4-leaved. Cor, O. Seed i, with hook'd 



awns. 



MANY FEMALES. 



(Polygynia.) 



460 Alisma. Cal, 3-leaved. Cor, 3-petard. Pericarps 



numerous. 



ONE 



