8 
FOLYANDRIA MONOGYNIA-. 
NUPHAR. Smith. 
Calyx 5 — 6 phyl- 
lus. Petala plurima, 
receptaculo cum sta- 
minibus inserta, dor- 
so nectarifera. Stig- 
ma radiato-sulcatum, 
sessile. Bacca mul- 
tilocularis, polysper- 
ma. 
1. Ad VENA? 
N. foliis cordatis, 
integerrimis, lobis ro- 
tundatis; calyce 6- 
phyllo; stigmate levi- 
ter umbilicato,i0 — 14 
radiato;pericarpio sul- 
cato. 
Calyx 5 — 6-leaved,, 
Petals numerous, in- 
serted on the recepta- 
cle with the stamens, 
nectariferous on the 
back. Stigma radia- 
ted, furrowed, sessile. 
Berry many celled, 
many seeded. 
Leaves cordate, en- 
tire, with the lobes 
round; calyx 6-leav- 
ed; stigma slightly 
umbilicate, with 10 — 
14 rays; pericarp 
furrowed. 
Pursh 2. p. 369. 
.Nympheea Advena. Sp. pi. 2. p. 1152. Mich-. 1. p. 311. 
Kymphaea lutea. Walt. p. 154. 
Root perennial, tuberous, creeping. Leaves on spiral petioles, large^v 
exactly cordate (with lobes somewhat truncate,) coriaceous, glabrous, 
sometimes erect, sometirneS floating on the surface of the water. Flow- 
ers solitary, terminal, on spiral peduncles, generally elevated a few 
inches above' the surface of the water. The three exterior leaves of 
the calyx small, round, green ; the three interior larger, round, yellow, 
tinged with green at base. Filaments very short. Stigma with 10 to> 
14 rays and the margin entire. 
Grows in the fresh water rivers; abundant about the head of tide wa- 
ter, rarely found in the vicinity of salt water. 
Flowers from April to August ; perhaps later. 
2. Sagitt/Yfolia. Walt 
N. foliis elongatis, 
sagittato-cordatis,ob- 
tusis; calyce 6-phyllo, 
Leaves long, cor- 
date and sagittate, 
obtuse; calyx 6-leay- 
