XXXIV SYNOPSIS 01' THE NATTJBAL OBBEES. 



73 Flower on a thick spadix. Spath wanting. Anthers 



wedgeshaped, erect; filaments long. 



xcii. TyphacecB. 

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

 Anthers ovate ; filaments very short. 



xciii. Aracece (Arese). 



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

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



xciv. LemnacecB. 



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



a fold of the leaf xcri. Naiadacecs. 



75 Leaves with entire sheaths. Anthers entire at the 



ends xcvii. Cyperaceee. 



Leaves with split sheaths. Anthers notched at both 

 ends xcviii. Oraminece. 



