POLYANDRiA MONOGYNiA. Nymphsca. 36^ 
4-phyIlo ^quaJibus, stigraate radils l6 — 20. erectis. — 
Willd, sp.pl. 2. p. 1153. 
N. alba. Mich.Ji. amer. \. p. 311. Walt.Ji. car. 155. 
Castalia pudica. Salish. 1. c. p. 72 . 
Icon. Bot. mag.Sig. Bot. rep. 297 . 
N, foliis cordatis integerrimis obtusis, lobis divaricatis 
acutis, petiolis pedunculis foliisque subtus purpureis, 
calycibus petalisque extus roseis. 
Icon. IVilld. hort. berol. 39 ? 
In ponds and slow-flowing waters : Canada to Carolina. 
1/ . July. V. V. Flowers white, fragrant. The va- 
riety jS. is probably a distinct species, which only fur- 
ther observation can decide. It resembles N. pygmcsa. 
rosea. 
439 . b^UPHAR. Smith prodr. Ji. grcec. l.p.361. 
Nymphaea. Gen. pi. 886. Salisl. in annals of lot. 2. 
p. 71 . 
1. N. foliis cordatis integerrimis, lobis approximatis, calyce 
5-phyIlo, stigmate repando 14— -20-radiato profunde 
iimbilicato. — Ait. lew. ed. 2. v.3- p. 2Q5, 
Nymphaea lutea. IVilld. sp. pi. 2. p. 1151. 
Nyraph^a umbilicalis. Salish. 1. c. 
Icon. Engl. hot. 15p. 
In lakes on the Allegany mountains. 1/ . June, July. 
V. V. Flowers yellow, as are all the following species. 
lufea. 
2. N. foliis erectis cordatis integerrimis, lobis divaricatis, 
calyce 6-phyllo, stigmate leviter umbilicato 13-radiato, 
pericarpio sulcato. — Ait. lew. ed. 2. ik 3. p. 2Q5. 
Nymphaea advena. Willd. sp. pi. 2. p. 1152. 
Nymphaea arifolia. Salish. l. c. 
Icon. Bot. mag. 684. Willd. hort. herol. 38. 
In all ponds and ditches, even in salt water : Canada 
to Carolina. 11. July, Aug. v. v. Resembles the 
foregoing species, but is distinguished at first sight by 
its upright leaves. 
advena. 
3. N. foliis cordatis, lobis subapproximatis, calyce 5-phyllo, 
stigmate inciso 8 — 12-radiato. Ait. lew. ed. 2. v. 2. 
p. 295 . 
Nymphaea lutea /3. Kalmiana. Mich.jl. amer. l.p. 311. 
Nymphaea lutea. Walt.Ji. car. 154. 
Icon. Bot. mag. 1243. 
In ponds : Canada to Carolina j rare. % . July, Aug. 
V. V. Flowers very small in comparison with others. 
Kalmiarm. 
