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NAT. ORDER. — GENTIANE^. 
Gentiana saponaria. Soap Gentian. In this species the leaves 
are oval lanceolate, acute, trinerve ; flowers verticillate, sessile ; 
calyx with short oval segments ; corolla oblong, with ten teeth, the 
inner unequally trifid. This is a good medical plant, and is common 
from New England to Virginia. 
Gentiana clausa. Closed Gentian. In this species the stem is 
round, smooth ; leaves ovate, lanceolate, acuminate, and subtrinerve ; 
flowers verticillate, sessile; calyx four to six cleft, angular; seg- 
ments foliaceous and short ; corolla clavate, short, closed, with eight 
or ten teeth, internal teeth equally bilobed. This plant is found on 
the Taconick and Green Mountains, the flowers are blue, and about 
half the size of Gentiana saponaria and quite shut ; there is a 
variety with ternate lanceolate leaves. 
Gentiana angustifolia. Narrow leaved Gentian. The stem is 
simple, slender, and one flowered ; leaves narrow, linear, spreading ; 
corolla funnel-shaped, ten-cleft, with five internal lacerate segments ; 
this is a rare and most beautiful plant ; the flowers are very large. 
It is a native of all the middle States. 
Gentiana elliottea. Elliottan Gentian. Stem round, smooth ; 
leaves oblong, narrow, subacute at both ends, as long as the inter- 
vals, subtrinerve, glaucous beneath ; flowers three to five terminal, 
sessile ; calyx elongated ; segments oblong, acute, as long as the 
tube ; corolla campanulate, inner folds lacerated. Native of North 
America, and found in the greatest abundance in Kentucky. Dedi- 
cated to Dr. Elliott. 
Gentsana gracilis. Slender Gentian. Stem slender, rough, round, 
ancipital ; leaves twice as long as the intervals, not spreading linear, 
uninerve, clasping, sessile, long and slender, calycine segments linear, 
as long as the tube ; corolla slender, tubular, sub-campanulate, five 
cleft, segments deep, acuminate, inner folds simple. Native of West 
Kentucky. Leaves one inch long, flowers two inches long. 
Gentiana axillaris. AxHlary Gentian. Stem round, rough ; 
leaves oblong, lanceolate, acute at both ends, trinerve, twice as long 
