XXXIV SYNOPSIS OF THE NATUKAl OEDERS. 



Flowers on a tHok spadix in a spath. Perianth none. 

 Anthers ovate ; filaments very short. 



xciii. Aracem (Arese). 



74 Flowers capitate. Stamens 2—5 . .xci. EriocaulacetB. 

 Flowers 2 in a spath, one male, one female. (Floating.) 



xoiv. Lemnaceee. 



Flowers in two rows on one side of a spath, enclosed by 



a fold of the leaf xovi. Naiadacea;. 



75 Leaves with entire sheaths. Anthers entire at the 



ends zcvii. Cyperacece. 



Leaves with split sheaths. Anthers notched at both 

 ends xcviii. Chraminecs. 



