GENTIANACEJ. (GENTIAN FAMILY.) 355 
2. EUSTOMA, Don. 
Calyx bell-shaped, 4 — 5-parted, sharply 4—5-angled; the lobes subulate, 
keeled. Corolla tubular, 4 — 5-lobed, membranaceous at the base, withering- 
persistent; the lobes erect, lanceolate-oblong, acute. Stamens 4-5, partly 
exserted, inserted on the middle of the tube of the corolla: anthers sagittate, 
introrse, opening lengthwise. Style conspicuous, erect, persistent: stigmas 
round-ovate, thick, at length spreading, with the margins revolute. Capsule 
oblong, obtuse, 1-celled, the margins of the valves slightly inflexed. Placentæ 
spongy, sutural. Seeds minute, globose, sessile. — Herbs, with oblong glaucous 
clasping leaves, and panicled showy purple or blue flowers. 
1. E. exaltatum, Griseb. Stem (2°-3° high) terete, glaucous, panicu- 
lately forking above; leaves mucronate, decurrent at the base, the upper ones ' 
lanceolate ; flowers long-peduncled, terminating the branches, blue ; calyx-lobes 
as long as the tube of the corolla, dilated and membranaceous at. the base. — 
South Florida. @— Corolla 12 - 15! long. 
3. GENTIANA, Tourn Gentian. 
Calyx 4~5-parted. Corolla bell-shaped or funnel-shaped, 4 - 5-lobed, often 
with plaited toothed appendages: between the lobes. Stamens 4—5. Stigmas’ 
2, sessile, compressed, persistent. Capsule 1-celled, 2-valved, many-seeded ; the. 
seeds sutural, or covering the inner face of the valves. — Flowers showy, solitary 
or clustered, axillary and terminal. > 
* Annual: corolla funnel-shaped, destitute of appendages: anthers versatile : capsule 
sessile: seeds wingless. : 
1. G. quinqueflora, Lam. Stem 4-angled, slender, branching; leaves 
ovate or ovate-lanceolate, acute, cordate and slightly clasping at the base, 
3— 5-nerved ; flowers 3 - 5, terminating the short branches; corolla blue, rather 
slender, naked in the throat; with ovate bristle-pointed entire lobes, much 
longer than the subulate calyx-lobes. — Dry soil along the mountains, Georgia, 
and northward. Aug. and Sept.— Stem 19-29 high. Leaves 1' long. Co- 
rolla 1' long. ; 
2. G. crinita, Freel. Stem terete below, the upper portion and branches 
^angled; leaves lanceolate, acute, closely sessile, the lowest narrowed into a 
petiole; flowers terminal, on long angular peduncles; calyx-lobes 4, ovate- 
lanceolate, acute, strongly keeled, as long as the tube of the corolla ; lobes of 
the corolla 4, rounded, fimbriate, nearly as long as the tube; seeds’ scaly. — 
Damp soil along the mountains, Georgia, and northward. Oct. and Nov. — 
Stem 19 - 29 high, often much branched. Leaves 1/-2/ long. Corolla blue, 
1}/~2" long. E 
* * Perennial: corolla bell-shaped, with plaited toothed appendages between the lobes : 
anthers erect, mostly connivent : capsule pedicelled: seeds commonly winged. — i: 
5. G. ochroleuca, Frel. Stem low, smoothish ; leaves oblong or obo- 
Yate-oblong, narrowed at the base, the upper ones narrower and acute; flowers - 
_ hn a dense mostly terminal cluster; corolla open, yellowish-white, $= 4 longer 
