248. SIX MALES. 



FOUR FEMALES. 



(Tetragynia.) 



459 Petiveria. Cal. 4-leaved. Cor. 0. Seed 1, with hook'd 



awns. 



MANY FEMALES. 

 (Polygyria.) 



460 Alisma. Cal. 3-leaved. Cor. 3-petal'd. Pericarps 



numerous. 



ONE 



