18 CABOMBACEJE. (WATER-SHIELD FAMILY.) 
4. JEFFERSONIA, Baron. TWIN-LEAF. 
Sepals 4, petal-like, caducous. Petals 8, oblong. Stamens 8. Stigma nearly 
sessile, 2-lobed. Capsule coriaceous, obovate, many-seeded, opening transversely 
on the back, near the summit. Seeds numefous, furnished with a fleshy lacini- 
ated aril. — A low stemless perennial herb, with long-petioled, 2-parted leaves, 
and naked scapes, bearing a single white flower. 
1. J. diphylla, Pers. — Rich shady woods, Tennessee and northward. 
April. — Lobes of the leaves half-ovate, entire or toothed. Scapes 6/ - 12! high. 
Flowers 1! wide. 
5. PODOPHYLLUM, L.  Mar-Arrrr. 
Sepals 6, caducous. Petals 6-9, obovate. Stamens twice as many (in our 
species) as the petals. Anthers opening longitudinally. Stigma large, peltate, 
sessile. Fruit baccate, many-seeded. Seeds enveloped in a pulpy aril. — A low 
perennial herb, with the naked stem terminated by two large peltate, 5 - 9-parted, 
lobed and toothed leaves, with a solitary nodding flower in the fork. 
1. P. peltatum, L. (Maxpzaxr.) — Rich woods, Florida and north- 
ward. April and May. — Stems 1° high, the barren ones terminated by a 
single centrally peltate leaf, smooth. Leaves 4'-6' wide. Flowers 1’ wide, 
greenish. Berry 1' - 2! long, ovoid, yellow, fragrant. 
Orper €. NELUMBIACE/E, (Netumso FauiLY.) 
Aquatic herbs, with large circular centrally peltate floating leaves, and 
solitary hypogynous flowers on long peduncles. Sepals and petals sim- 
ilar, in several rows, imbricated in the bud, deciduous. Stamens indefi- 
nite, the slender filaments prolonged above the linear, adnate, introrse 
anthers. Ovaries separate, 1-celled, 1-ovuled, imbedded in the flat sum- 
mit of the large obconical torus, forming large globular nuts in fruit. 
Stigma cay. sessile, peltate. Seeds suspended. Embryo large. Al- 
bumen none. 
l NELUMBIUM, Jus. Netumzo. 
Characters of the order. © j x 
1. N. luteum, Willd. (Warer Curxquerry. ) — Lakes and still water, 
Florida, near Tallahassee, and northward and westward. Not common. July. 
— Rhizoma large, creeping. Leaves 1°-2° wide, depressed in the centre. 
Flowers 5! - 6! wide, pale yellow. Appendage of the anthers linear. 
LO T. CABOMBACEX. armes Fan) 
hy ogy no dns. on E si a i leave and solitary 
