Stamina 4. Filaments ncnc. Anthera oblong, tapering, 1 

 fixed to each leaf of the calyx. 



Flowers tviih Pistilla, 

 mostly growing opposite to the staminiferous flowers. 

 Calyx with 4 leaves, egg-shaped, small, sitting on the germen, 



deciduous. 

 Corolla none. 



Pistil lum. Germen beneath, oblong, 3-edged, indistinctly 

 crowned with a border with 4 clefts. Style none. 

 Stigma blunt, a little notched. 

 Pericarpium. Berry globular, with 1 cell, smooth. 

 Seeds single, inversely heart-shaped, compressed, blunt, fleshy. 

 TAMUS. 

 Flowers with Stamina. 

 Calyx. Perianthium with 6 divisions, leafits egg-spear-shaped, 

 expanding towards the top. 

 Corolla, none. 



Stamina. Filaments 6, simple, shorter than the cup. Anther* 

 upright. 



Flowers with Pistilla. 

 Calyx. Perianthium l leaf, with 6 divisions, bell-shaped, ex- 

 panding. Segments spear-shaped, superior, deciduous. 

 Cokolla. Petals none. 



Nectarium an oblong dot at the base of each segment of the 

 calyx on the inner side. 

 Pistillum. Germen beneath, egg oblong, large, smooth. 

 Style cylindrical, as long as the calyx. Stigmata3, reflected, 

 notched at the end, acute. 

 PeriCarpium. Berry egg-shaped, with 2 cells. 

 Seeds 3, globular. 



HYDROCHARIS. 

 Flowers with Stamina. 

 Calyx. Spatha of 2 leaves, oblong, enclosing 3 flowers. 



Calyx proper, of 3 leaves, leafits egg-oblong, concave ; 

 membranaceous at the edge. 

 Corolla. Petals 3^ circular, flat, large. 



