POLYANDRIA, MONOGYNIA. 
Nymphea advena, Willd. 
N. arifolia, Salisbury. 
Icon. Bot. Mag. 684. Willd. hort. berol. S8. 
Splatter-dock. 
From two to three feet high, with very large leaves. In 
at profusion on the marshy shores of the Delaware, Schuyl- 
kill, and all other waters in our neighbourhood, covering the 
shores for miles together in extent. Also in ditches, very 
common. Flowers yellow, globular. Perennial. July, August. 
2. N. leaves cordate, lobes approximating, calix Kalmiana. 
5-leaved, stigma incised, 8-12-rayed.—iil. 
Kew. ed. 2d. : 
Nymphza Kalmiana, Bot. Mag. 
N. lutea, ¢ Kalmiana, Mich. 
N. microphylla, Pers. 
N. lutea, Walt. 
N. minima, Muhl., but not N. lutea, var. minima, 
Willd. 
Icon. Bot. Mag. 1245. 
Small water Lily. 
Leaves floating, one-third as large as the preceding; flow- 
ers yellow, also floating; about half an inch in diameter. Ina 
pool on the east shore of the Schuylkill, about a mile south of 
the falls; very rare. I have not found it in any other locality. 
Perennial. July, August. 
246. NYMPHAEA. Gen. pl. 886. (Hydrocharides.) 
Calix 4 or 5-leaved. Petals many, inserted 
upon the germ beneath the stamina. Stig- 
ma orbicular, radiated, sessile, nectarife- 
rous in the centre. Capsule carnose, many- 
celled, many-seeded, superior.—NVutt. 
1. N. leaves orbiculate-cordate, very entire, sub- odorata, 
emarginate, the lobes divaricate, with a blunt 
point; calix 4-leaved.—4it, and Willd. 
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