De Hydrocotyie. 5 



Petiali capillares, villofi , pollicares vel ultra, 

 TJmhelle peduncularae. 

 Pedunculi u n g v i cu 1 arcs. 

 H, birfuta: Cau/is filiformis, rarmenrofus. 

 Fo/ia akerna, petiolata , cordaro orbiculata> crenftta^ 



vix lobara 5 pilofa, ungvicularia. 

 Vvibsllce fubverticillatas usque feptem in peduncuio pol- 



licari , usque bipollicari. 

 H. Americana: Cauiis filiformis, decumbens. 

 Folia alterna, peltata, cordata, bafi fisfa, lobata, 



crenata, giabra, ungvicularia , usque polft- 



caria. 

 Petiolus glaber, pollicaris. 

 (Jmheila circiter 5-fiora. 

 H. umhellata: Caulis filiformis, decumbens, 

 Folia peltata, bafi parum excifa, remote crenatft> 



» glabra. 

 Petiolus glaber, pollicaris , usque palmaris. 

 Vmkeila mulrifiorae , pedunculatae. 

 Peduncuhs palmaris, umbella lo-flora & ultra. 

 H. vulgaris: Caults repens , articulatus, radicans. 

 Folia alterna, peltata, orbiculata, lobata, glabra, 



ungvicularia. 

 Petioli ungviculares. 



Vmheila pedunculdtae, limplices, pauciflorae. 

 Pednwculi fiexi, femmngviculares. 

 H. verttciilata ? Caulis repens, articulatus, radicans. 

 Folia ad articulos folitaria, petiolata, ere£l:a,glabra;) 



fuborbicuiato-ovalia, Iqbato crenata,ponicaria. 

 Petiolus poLIicaris, usque bipollicaris. 

 PeduKcuIt Qie^l y poilicares. 

 Vmbeila duae, altera terminalis, altera in mediopeduii- 



culi, pauciflorae. 



