UMBELLIFERÆ 
HYDROCOTYLE. 
Hydrocotyle, Tourn., Inst,, t. 173. Thunb., Dissert., 
1798. A. Richard, Monog,, 1820. DC., Prodr., IV, 
p. 59. 
Calycis margo obsoleta : petala oblonga, plana, integra, 
acuta : fructus compressus, suborbicularis aut globoso- 
didymus, costatus, apice integer : mericarpia evittata, 
jugis 5 filiformibus, carinali et lateralibus sæpe obso- 
letis , intermediis duabus accretis : semen carinato-com- 
pressum. 
Herbæ sæpius diffusæ, in locis bumidis et arenosis 
crescentes; rarius su ffrutices : folia alterna, varie lobata 
aut integra, petiolaia, peiiolo basi vaginanti aut stipulis 
duabus stipato : flores minimi , sessiles, glomerati , um- 
bellulati aut radiati. 
