p 
JU * 
358 GENTlANACEiE. {GENTIAN FAMILY.) 
uppermost linear; cymes clustered, flat-topped, the flowers all nearly 
sessile ; tube of the (purple-rose-colored) corolla less than twice the 
length of the oval lobes.— Oswego, New York, naturalized near the 
old fort. July. — Plant 6' - 12 f high : corolla 3" - 4" long. 
2. E. ramosissima, Pers., var. pulchella, Griseb. Low 
(2 1 -6 1 high); stem many times forked above and forming a diffuse 
cyme ; leaves ovate-oblong or oval; flowers all on short pedicels ; tube 
of the (pink-purple) corolla thlice the length of the elliptical-oblong 
lobes. (E. Muhlenb6rgii, Griseb., as to Penn, plant. Exacum pul- 
chellum, Pursh.) — Wet or shady places, Flushing, Long Island, 
Penn, and southward : certainly introduced, rare. —Flowers smaller 
than in No. 1. 
3. E. Spicata, Pers. Stem strictly upright; the flowers ses¬ 
sile and spiked along one side of the simple or rarely forked branches ; 
leaves oval and oblong, rounded at the base, acutish; tube of the 
(rose-colored or whitish) corolla scarcely longer than the calyx, the 
lobes oblong. (E. Pickerfngii, Oakes.) — Sandy shore, Nantucket, 
Oakes. — Plant 6'- 10 f high, remarkable, for the spike-like arrange¬ 
ment of the flowers. 
3. BABTONIA, Muhl. (Centaurella, Michoo.) 
Calyx 4-parted. Corolla deeply 4-cleft, destitute of glands, 
fringes, or folds. Stamens-short. Pod oblong, pointed with a 
large persistent at length 2-lobed stigma. Seeds minute. — Small 
annuals, Or biennials, with thread-like Stems and little awl-shaped 
greenish scales in place of leaves. Flowers '‘small, yellowish- 
white, peduncled. (Dedicated, in the year 1801, to'the late Prof. 
Barton, of Philadelphia.) 
1. B. tenella, Muhl. Stems (3 f - IQ' high), branched above; 
the branches or peduncles mostly opposite, 1 - 3-flowered; lobes of 
the corolla oblong, acutish ; anthers roundish ; style none. — Open 
woods, common. Aug. — Petals rather longer than the calyx, or some¬ 
times twice as long. — Centaurella Mos&ri, Griseb., is only a variety 
with the scales and peduncles mostly alternate, and the petals acute. 
4. GENTIANA, L. Gentian. 
Calyx 4 - 5-cleflt. Corolla 4 - 5-lobed, regular, usually with in¬ 
termediate plaited-folds which bear appendages at the sinuses. 
Style short or none - stigmas 2, persistent. Pod oblong, 2-valved, 
many-seeded. — Flowers solitary or cyrnose, showy; (Name 
from Gentmsj king of Illyria, who used some species medicinally.) 
§1. AmarelloIdes, Torr. & Gr.— Corolla tubular funnel-form, with- 
0 1 2 3 4 5 6 7 8 9 10 Missouri 
Botanical 
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