136 
PENTANDRIA, DIGYNIA. 
Virginianura» 
quinquefo- 
lium. 
trUblium.. 
segments acute or cuspidate. Fruit bipar- 
tile. — Mutt. 
1. E. tal! ; leaves very long, lanceolate-linear, ser- 
rate ; those of the branches with many linear- 
divisions ; involucre longer than the ovoid heads ; 
chaff 3-5 fid, capituli paniculate. — Lamarck and 
Belaroche. 
E. aqiiaticum jS. — Willd. and Mich. 
Icon. Delaroche eryng. t. 19. (Pursh.) Pluk. 
aim. t. 396. f. 3. 
Two or three feethigh; flower-heads sky-blue. Often pro- 
liferous. Along the shores of the Delaware and Schuylkill, in 
situations where the tide reaches it* Common. Perennial. 
July, August. 
128. PAN AX. Gen. pi. 1604. {Aralice,) 
Flowers ^oljgsmous’, umbel simple . — Calix 
5 -toothed. Corolla of 5 petals. Berry in- 
ferioi*, subcordate, S, sometimes 3-seeded. 
Calix in the male flower entire. — JSTwtt. 
1. P. root fusiform, leaves ternate and qiiinate, 
leaflets oval, acuminate petiolate serrate . — - Willd. 
Icon. Bot. Mag. 1333. FI. Peruv. 
Ginseng. 
The root of this plant is the celebrated Ginseng of com- 
merce. Plant about twelve inches high. Exceedingly rare. In 
the shady and hilly woods above the falls of Schuylkill, west 
side ; and there scarce. Perennial. May. 
2. P. root subrotund-bulbous ; leaves thrice ter- 
nate and quinate; leaflets oblong-lanceolate, 
subsessile, serrate. — Willd. 
Icon. Bot. Mag. 1334. 
A small delicate plant about six inches high, with small 
flowers. On the banks of the Wissahickon, near rivulets, fre- 
quent. Not often met with elsewhere. Flowers as in No. I, 
white. Perennial. April, May. 
