ascending._
5. A. incarnata, L. (SWAMP MILKWEED.) Smooth, or nearly so, in the
typical form, the stem with two downy lines above and on the branches of
the peduncles (2--3 deg. high), very leafy; leaves oblong-lanceolate, acute
or pointed, obtuse or obscurely heart-shaped at base; flowers
rose-purple; hoods scarcely equalling the slender needle-pointed
horn.--Swamps, common.--Var. PULCHRA, Pers.; leaves broader and
shorter-petioled, more or less hairy-pubescent, as well as the stem.
Milky juice scanty.--With the smooth form.
[*][*][*] _Flowers greenish, yellowish, white, or merely
purplish-tinged; leaves opposite or whorled, or the upper rarely
scattered._
[+] _Follicles echinate with soft spinous processes, densely tomentose
(smooth, and only minutely echinate at the apex in n. 8), large (3--5'
long), ovate and acuminate, erect on deflexed pedicels; leaves large and
broad, short-petioled; umbels terminal and lateral._
6. A. speciosa, Torr. Finely canescent-tomentose or glabrate, _the
many-flowered umbel and calyx densely tomentose_; leaves
_subcordate-oval_ to oblong; corolla-lobes purplish, ovate-oblong,
4--5'' long; hoods 5--6'' long, with a short inflexed horn, _the
truncate summit abruptly produced into a very long lanceolate-ligulate
appendage_.--Along streams, Minn. to Ark., and westward.
7. A. Cornuti, Decaisne. (COMMON MILKWEED or SILKWEED.) Stem tall and
stout, finely soft-pubescent; _leaves_ oval-oblong (4--8' long), pale,
_minutely downy beneath, as well as the peduncles_, etc.; corolla-lobes
dull purple to white, 3--4'' long; _hoods_ rather longer than the
anthers, _ovate, obtuse, with a tooth each side of the short stout
claw-like horn_.--Rich ground, everywhere.
8. A. Sullivantii, Engelm. _Very smooth_ throughout, tall; leaves
ovate-oblong with a somewhat heart-shaped base, nearly sessile; _hoods
obovate_, entire, _obtusely 2-eared at the base_ outside; flowers
larger (9'' long) and more purple than in the last; anther-wings
2-toothed at base; _pod_ nearly glabrous, obscurely _spiny chiefly on
the beak_.--Low grounds, Ohio to Kan. and Minn.
[+][+] _Follicles wholly unarmed, either glabrous or
tomentulose-pubescent_.
[++] _Erect or ascending on the deflexed or decurved fruiting pedicels._
[=] _Umbel solitary, on a naked terminal peduncle; leaves sessile,
broad, transversely veined, wavy; glabrous and pale or glaucous._
9. A. Obtusifolia, Michx. Stem 2--3 deg. high; _leaves oblong with a
heart-shaped clasping base_, very obtuse or retuse (21/2--5' long);
peduncle 3--12' long; corolla pale greenish purple; hoods truncate,
somewhat toothed at the summit, shorter than the slender awl-pointed
horn.--Sandy woods and fields, not rare, especially southward. A second
umbel at the base of the peduncle occasionally occurs.
10. A. Meadii, Torr. Stem slender (1--2 deg. high); leaves _ovate or
oblong-ovate_, obtuse or acutish (11/2--21/2' long), peduncle only twice the
length of the upper leaves, pedicels rather short, corolla
greenish-white; hoods rounded-truncate at summit, and with a sharp tooth
at each margin, somewhat exceeding the stouter horn.--Dry ground, Ill.
and Iowa. June.
[=][=] _Umbels mostly more than one; peduncle not overtopping the
leaves._
[a.] _Leaves large, orbicular to oblong-lanceolate; hoods broad, little
if at all exceeding the anthers; glabrous or some minute pubescence on
young parts._
11. A. Jamesii, Torr. Stem stout (1 deg. high or more); leaves about 5
pairs, approximate, _remarkably thick, rounded or broadly oval, often
emarginate, subcordate at base, nearly sessile_; umbels 2--3, densely
many-flowered, on short peduncles, corolla-lobes ovate, _greenish_;
hoods truncate, entire.--Plains of central Kansas and southwestward.
12. A. phytolaccoides, Pursh. (POKE-MILKWEED.) Stem 3--5 deg. high; _leaves
broadly ovate, or the upper oval-lanceolate and pointed at both ends,
short-petioled_, smooth or slightly downy underneath (5--8' long);
lateral umbels several, _pedicels loose and nodding, numerous, long_ and
slender (1--3' long), equalling the peduncle; _corolla-lobes_
ovate-oblong, greenish; hoods (white) truncate, the margins 2-toothed at
the summit, _the horn with a long projecting awl-shaped point_.--Moist
copses, N. Eng. to Minn., south to Ga. and Ark.
13. A. variegata, L. Stem 1--2 deg. high; _leaves_ (4--5 pairs) _ovate,
oval, or obovate_, somewhat wavy, _contracted into short petioles_,
middle ones sometimes whorled; _pedicels (numerous and crowded) and
peduncle short, downy_; divisions of the _corolla ovate (white)_; hoods
orbicular, entire, purplish or reddish, the horn semilunar with a
horizontal point.--Dry woods, southern N. Y. to Ind., south to Fla.,
Ark., and W. La. July.--Remarkable for its compact umbels of nearly
white flowers.
[b.] _Leaves mostly pubescent or puberulent; hoods obtuse, entire, twice
or thrice the length of the anthers._
14. A. ovalifolia, Decaisne. Low (6--18' high), soft-downy, especially
the lower surface of the ovate or lanceolate-oblong acute short-petioled
leaves (11/2--3' long); umbels loosely 10--18-flowered, sessile or
peduncled; pedicels slender, hoods oblong, yellowish, with a small horn,
about the length of the oval greenish-white corolla-lobes (tinged with
purple outside).--Prairies and oak-openings, N. Ill. and Iowa, to Wisc.
and Dak.
[++][++] _Follicles and pedicels erect; leaves often whorled; glabrous
or nearly so._
[=] _Leaves ovate to broadly lanceolate, thin, rather slender-petioled._
15. A. quadrifolia, L. Stem slender (1--2 deg. high), mostly leafless below,
bearing usually _one or two whorls_ of four in the middle and one or two
pairs _of ovate or ovate-lanceolate_ taper-pointed petioled leaves
(2--4' long); pedicels slender; corolla-lobes (_pale pink_) oblong;
hoods white, elliptical-ovate, the incurved horn short and thick.--Dry
woods and hills, N. Eng. to Minn., south to N. C. and Ark.
16. A. perennis, Walt. Stems (1--2 deg. high) _persistent or somewhat woody
at the base; leaves lanceolate or lanceolate-ovate, tapering to both
ends_, thin, rather slender-petioled; _flowers white_, small; the small
hoods of the crown shorter than the needle-shaped horn; seeds sometimes
destitute of a coma!--Low grounds, S. Ind. and Ill. to Tex., and
eastward.
[=][=] _Leaves narrowly linear to filiform; horn subulate, exserted;
column conspicuous._
17. A. verticillata, L. Stems slender, simple or sparingly branched,
very leafy to the summit, leaves filiform-linear, with revolute margins
(2--3' long, 1'' wide), 3--6 in a whorl; umbels small, lateral and
terminal; divisions of the corolla ovate (greenish-white); hoods
roundish-oval, about half the length of the incurved claw-shaped
horns.--Dry hills, common, especially southward.--Var. PUMILA, Gray, is
low and many-stemmed from a fascicled root; leaves much crowded,
filiform.--Dry plains, Neb. to Kan. and N. Mex.
Sec. 2. _Anther-wings broadly rounded at base and conspicuously
auriculate-notched just above it; hoods with a minute horn exserted from
the 2-lobed apex._
18. A. stenophylla, Gray. Puberulent, but foliage glabrous; stems
slender (1--2 deg. high), leaves narrowly linear (3--7' long, 1--21/2'' wide),
the upper alternate, lower opposite; umbels several, short-peduncled,
10--15-flowered; corolla-lobes oblong, greenish; hoods whitish,
equalling the anthers, conduplicate-concave; follicles erect on
ascending pedicels.--Dry prairies, Neb. to E. Kan., south and westward.
3. ACERATES, Ell. GREEN MILKWEED.
Nearly as in Asclepias; but the hoods destitute of crest or horn (whence
the name, from [Greek: a] privative, and [Greek: ke/ras], _a
horn_).--Flowers greenish, in compact many-flowered umbels. Leaves
opposite or irregularly alternate, short-petioled or sessile.
Pollen-masses slender-stalked. Follicles smooth, slender.
[*] _Crown upon a short column and shorter than the globular mass of
anthers and stigma, leaves mainly alternate-scattered._
1. A. longifolia, Ell. Minutely roughish-hairy or smoothish; stem erect
(1--3 deg. high), very leafy; leaves linear (3--7' long); umbels lateral, on
peduncles of about the length of the slender pedicels; flowers 3'' long
when expanded.--Moist prairies and pine-barrens, Ohio to Minn., south to
Fla. and Tex. July--Oct.
[*][*] _Crown sessile, the oblong hoods nearly equalling the anthers;
leaves often opposite and broader._
2. A. viridiflora, Ell. Minutely _soft-downy, becoming smoothish_; stems
ascending (1--2 deg. high); leaves oval to linear, thick (11/2--4' long);
_umbels nearly sessile, lateral_, dense and globose; flower (when the
corolla is reflexed) nearly 1/2' long, short-pedicelled.--Dry soil,
common, especially southward. July--Sept.--Runs into var. LANCEOLATA,
Gray, with lanceolate leaves 21/2--4' long;--and var. LINEARIS, Gray, with
elongated linear leaves and low stems; umbels often solitary. The latter
form from Minn., Dak., and southward.
3. A. lanuginosa, Decaisne. _Hairy_, low (5--12' high); leaves
lanceolate or ovate-lanceolate; _umbel solitary and terminal,
peduncled_; flowers smaller; _pedicels slender_.--Prairies, N. Ill. to
Minn., and westward. July.
4. ENSLENIA, Nutt.
Calyx 5-parted. Corolla 5-parted; the divisions erect, ovate-lanceolate.
Crown of 5 free membranaceous leaflets, which are truncate or obscurely
lobed at the apex, where they bear a pair of flexuous awns united at
base. Anthers nearly as in Asclepias; pollen-masses oblong, obtuse at
both ends, fixed below the summit of the stigma to the descending
glands. Follicles oblong-lanceolate, smooth. Seeds with a tuft, as in
Asclepias.--A perennial twining herb, smooth, with opposite heart-ovate
and pointed long-petioled leaves, and small whitish flowers in
raceme-like clusters, on slender axillary peduncles. (Dedicated to _A.
Enslen_, an Austrian botanist who collected in the Southern United
States early in the present century.)
1. E. albida, Nutt. Climbing 8--12 deg. high; leaves 3--5'
wide.--River-banks, S. Penn. and Va. to Ill., Mo., and Tex. July--Sept.
5. VINCETOXICUM, Moench.
Calyx 5-parted. Corolla 5-parted, wheel-shaped. Crown flat and fleshy,
disk-like, 5--10-lobed, simple. Anthers, smooth follicles and seeds much
as in Asclepias.--Herbs, often twining. (Name from _vincens_, binding,
and _toxicum_, poison.)
V. NIGRUM, Moench. More or less twining, nearly smooth; leaves ovate or
lance-ovate; flowers small, dark purple, in an axillary cluster, on a
peduncle shorter than the leaves.--N. Eng. to Penn.; a weed escaping
from gardens. (Adv. from Eu.)
6. GONOLOBUS, Michx.
Calyx 5-parted. Corolla 5-parted, wheel-shaped, sometimes
reflexed-spreading; the lobes convolute in the bud. Crown small and
fleshy, annular or cup-shaped, in the throat of the corolla. Anthers
horizontal, partly hidden under the flattened stigma, opening
transversely. Pollen-masses 5 pairs, horizontal. Follicles turgid,
mostly muricate with soft warty projections, sometimes ribbed. Seeds
with a coma.--Twining herbs or shrubs (ours herbaceous), with opposite
heart-shaped leaves, and corymbose-umbelled greenish or dark purple
flowers, on peduncles rising from between the petioles. Our species
belong to the typical section, with the crown simple and unappendaged,
and the corolla nearly veinless. (Name composed of [Greek: goni/a], _an
angle_, and [Greek: lobo/s], _a pod_, from the angled follicles of some
species.)
[*] _Crown a low undulately 10-lobed fleshy disk; follicles unarmed,
glabrous, 3--5-costate or angled._
1. G. suberosus, R. Br. Leaves cordate with an open shallow or sometimes
deeper and narrow sinus, pointed, glabrate or hairy (3--5' long); umbels
3--9-flowered, much shorter than the petiole; _corolla broadly
conical in bud, abruptly pointed, twisted; lobes ovate_ or
triangular-lanceolate, _acute, pubescent inside; calyx half as long_.
(G. macrophyllus, _Chapman_.)--Near the coast, Va. to Fla.
2. G. laevis, Michx. Leaves oblong-cordate with a deep and narrow open
sinus, conspicuously acuminate (3--6' long); umbels 5--10-flowered,
barely equalling the petiole; _corolla elongated-conical in bud, not
twisted; lobes narrowly or linear-lanceolate, obtuse, glabrous inside,
3--4 times as long as the calyx_.--South of our range.--Passes into var.
MACROPHYLLUS, Gray, with _larger_ broadly cordate _leaves_, the _sinus
often closed_, finely pubescent beneath. (G. macrophyllus,
_Michx._)--River-banks, Va. to S. Ind., Mo., S. C., and Tex.
[*][*] _Crown cup-shaped, as high as the anthers; follicles muricate,
not costate._
[+] _Crown fleshy, merely 10-crenate, or the crenatures bidentate._
3. G. obliquus, R. Br. Leaves rounded- to ovate-cordate with a narrow
sinus, abruptly acuminate (3--8' long); _umbel many-flowered; corolla in
bud oblong-conical; its lobes linear-ligulate_ (5--6'' long, 1'' wide),
crimson-purple inside, dull or greenish and _minutely pubescent
outside_.--River-banks, mountains of Penn. and Va., to Ohio and Mo.
Flowers said to be fragrant.
4. G. hirsutus, Michx. Commonly more hairy; leaves with the basal lobes
sometimes overlapping; _peduncles fewer-flowered; corolla in bud ovate,
its lobes elliptical-oblong_ (3--4'' long), _barely puberulent outside_,
dull or brownish-purple.--Md. and Va. to Tenn. and Fla.
[+][+] _Crown thinner, the border lobed or toothed; leaves as in the
preceding._
5. G. Shortii, Gray. Resembles n. 3, but larger-leaved; corolla
oblong-conical in bud, dark crimson-purple, its lobes ligulate (fully
6'' long); _crown about 10-toothed, the alternate teeth thinner,
narrower and longer, either emarginate or 2-parted_.--Along the
mountains, E. Ky. (_Short_) to N. W. Ga. (_Chapman_).
6. G. Carolinensis, R. Br. Flower-bud oblong; corolla brownish-purple;
its lobes oblong or linear-oblong (4--5'' long); _crown undulately and
very obtusely 5-lobed and with a longer bifid subulate process in each
sinus_.--From Va. to La., extending north to Ark. and central Mo.
ORDER 68. LOGANIACEAE. (LOGANIA FAMILY.)
_Herbs, shrubs, or trees, with opposite and entire leaves, and stipules
or a stipular membrane or line between them, and with regular
4--5-merous 4--5-androus perfect flowers, the ovary free from the
calyx_; a connecting group between Gentianaceae, Apocynaceae,
Scrophulariaceae (from all which they are known by their stipules) and
Rubiaceae, from which they differ in their free ovary; our
representatives of the family are all most related to the Rubiaceae, to
which, indeed, they have been appended.
[*] Woody twiners; leaves evergreen, stigmas 4.
1. Gelsemium. Corolla large, the 5 lobes imbricated in the bud. Style
slender.
[*][*] Herbs; stigma single, entire or 2-lobed.
2. Polypremum. Corolla 4-lobed, not longer than the calyx, imbricated in
the bud.
3. Spigelia. Corolla 5-lobed, valvate in the bud. Style single, jointed
in the middle.
4. Mitreola. Corolla 5-lobed, valvate in the bud. Styles 2, short,
converging, united at the summit, and with a common stigma.
1. GELSEMIUM, Juss. YELLOW (FALSE) JESSAMINE.
Calyx 5-parted. Corolla open-funnel-form, 5-lobed; the lobes imbricated
in the bud. Stamens 5, with oblong sagittate anthers. Style long and
slender; stigmas 2, each 2-parted, the divisions linear. Capsule
elliptical, flattened contrary to the narrow partition, 2-celled,
septicidally 2-valved. Seeds many or several, winged. Embryo straight,
in fleshy albumen; the ovate flat cotyledons much shorter than the
slender radicle.--Smooth and twining shrubby plants with ovate or
lanceolate leaves, minute deciduous stipules, and showy yellow flowers,
of two sorts as to relative length of stamens and style. (_Gelsomino_,
the Italian name of the Jessamine.)
1. G. sempervirens, Ait. (YELLOW JESSAMINE of the South.) Stem climbing
high; leaves short-petioled, shining, nearly persistent; flowers in
short axillary clusters; pedicels scaly-bracted; flowers very fragrant
(the bright yellow corolla 1--11/2' long); capsule flat, pointed.--Low
grounds, E. Va. to Fla. and Tex. March, April.
2. POLYPREMUM, L.
Calyx 4-parted; the divisions awl-shaped from a broad scarious-margined
base. Corolla not longer than the calyx, almost wheel-shaped, bearded in
the throat; the 4 lobes imbricated in the bud. Stamens 4, very short;
anthers globular. Style 1, very short; stigma ovoid, entire. Capsule
ovoid, a little flattened, notched at the apex, 2-celled, loculicidally
2-valved, many-seeded.--A smooth, diffuse, much-branched, small annual,
with narrowly linear or awl-shaped leaves, connected at base by a slight
stipular line; the small flowers solitary and sessile in the forks and
at the ends of the branches; corolla inconspicuous, white. (Name altered
from [Greek: poly/premnos], _many-stemmed_.)
1. P. procumbens, L.--Dry fields, mostly in sandy soil, Md. to Tex.;
also adventive in Penn. June--Oct.
3. SPIGELIA, L. PINK-ROOT. WORM-GRASS.
Calyx 5-parted; the lobes slender. Corolla tubular-funnel-form, 5-lobed
at the summit, valvate in bud. Stamens 5; anthers linear. Style 1,
slender, hairy above, jointed near the middle. Capsule short, 2-celled,
twin, laterally flattened, separating at maturity from a persistent base
into 2 carpels, which open loculicidally, few-seeded.--Chiefly herbs,
with opposite leaves united by stipules, and the flowers spiked in
one-sided cymes. (Named for _Adrian Spiegel_, latinized _Spigelius_, who
wrote on botany early in the 17th century, and was perhaps the first to
give directions for preparing an herbarium.)
1. S. Marilandica, L. (MARYLAND PINK-ROOT.) Stems simple and erect from
a perennial root (6--18' high); leaves sessile, ovate-lanceolate, acute;
spike simple or forked, short; corolla 11/2' long, red outside, yellow
within; tube 4 times the length of the calyx, the lobes lanceolate;
anthers and style exserted.--Rich woods, N. J. to Wisc. and Tex. June,
July.--A well-known officinal anthelmintic, and a showy plant.
4. MITREOLA, L. MITREWORT.
Calyx 5-parted. Corolla little longer than the calyx, somewhat
funnel-form, 5-lobed, valvate in the bud. Stamens 5, included. Ovary at
the base slightly adnate to the bottom of the calyx, 2-celled; styles 2,
short, converging and united above by a common stigma. Capsule exserted,
strongly 2-horned or mitre-shaped, opening down the inner side of each
horn, many-seeded.--Annual smooth herbs, 6'--2 deg. high, with small
stipules between the leaves, and small white flowers spiked along one
side of the branches of a terminal petioled cyme. (Diminutive of
_mitra_, a mitre, from the shape of the pod.)
1. M. petiolata, Torr. & Gray. Leaves thin, oblong-lanceolate,
petioled.--Damp soil, from E. Va. to Tex.
ORDER 69. GENTIANACEAE. (GENTIAN FAMILY.)
_Smooth herbs, with a colorless bitter juice, opposite and sessile
entire and simple leaves_ (except in Tribe II.) _without stipules,
regular flowers with the stamens as many as the lobes of the corolla,
which are convolute (rarely imbricated and sometimes valvate) in the
bud, a 1-celled ovary with 2 parietal placentae, or nearly the whole
inner face of the ovary ovuliferous; the fruit usually a 2-valved and
septicidal many-seeded capsule_.--Flowers solitary or cymose (racemose
in n. 8). Calyx persistent. Corolla mostly withering-persistent; the
stamens inserted on its tube. Seeds anatropous, with a minute embryo in
fleshy albumen. (Bitter-tonic plants.)
SUBORDER I. Gentianeae. Leaves always simple and entire, sessile, never
alternate. AEstivation of corolla never valvate.
[*] Lobes of corolla convolute in the bud.
[+] Style filiform, usually deciduous; anthers oblong to linear, mostly
twisting or curving in age.
1. Erythraea. Parts of flower 5 or 4; corolla salver-form; anthers
twisting spirally.
2. Sabbatia. Parts of flower 5--12; corolla rotate; anthers recurved or
revolute.
3. Eustoma. Parts of flower 5 or 6; corolla campanulate-funnel-form;
anthers versatile, straight or recurving; calyx-lobes long-acuminate.
[+][+] Style stout and persistent or none; anthers remaining straight.
4. Gentiana. Corolla funnel-form or bell-shaped, mostly plaited in the
sinuses, without spurs or glands. Calyx 4--5-cleft.
5. Frasera. Corolla 4-parted, rotate; a fringed glandular spot on each
lobe.
6. Halenia. Corolla 4--5-cleft, campanulate, and 4--5-spurred at the
base.
[*][*] Lobes of corolla imbricate in the bud; no appendages.
7. Bartonia. Calyx 4-parted. Corolla deeply 4-cleft, somewhat
campanulate.
8. Obolaria. Calyx of 2 foliaceous sepals. Corolla 4-lobed,
oblong-campanulate.
SUBORDER II. Menyantheae. Leaves all alternate and mostly petioled,
sometimes trifoliolate or crenate. AEstivation of corolla
induplicate-valvate. Marsh or aquatic perennials.
9. Menyanthes. Corolla bearded inside. Leaves 3-foliolate.
10. Limnanthemum. Corolla naked, or bearded on the margins only. Leaves
simple, rounded.
1. ERYTHRAEA, Richard. CENTAURY.
Calyx 4--5-parted, the divisions slender. Corolla funnel-form or
salver-form, with slender tube and 4--5-parted limb. Anthers exserted,
erect, twisting spirally. Style slender, single; stigma capitate or
2-lipped.--Low and small branching annuals, chiefly with rose-purple or
reddish flowers (whence the name, from [Greek: e)rythro/s], _red_); in
summer.
E. CENTAURIUM, Pers. (CENTAURY.) Stem upright (6--12' high),
_corymbosely branched_ above; leaves oblong or elliptical, acutish, the
basal rosulate, the uppermost linear; _cymes clustered, flat-topped, the
flowers all nearly sessile_; tube of the (purple-rose-colored) corolla
not twice the length of the oval lobes.--Waste grounds, shores of Lakes
Ontario and Michigan. (Adv. from Eu.)
E. RAMOSISSIMA, Pers. Low (2--6' high); _stem many times forked above
and forming a diffuse cyme_; leaves ovate-oblong or oval, not rosulate
below; _flowers all on short pedicels_; tube of the (pink-purple)
corolla thrice the length of the elliptical-oblong lobes.--Wet or shady
places, N. J., E. Penn., and southward. (Nat. from Eu.)
E. SPICATA, Pers. Stem strictly upright (6--10' high); the _flowers
sessile and spiked along one side of the simple or rarely forked
branches_; leaves oval and oblong, rounded at base, acutish; tube of the
(rose-colored or whitish) corolla scarcely longer than the calyx, the
lobes oblong.--Sandy sea-shore, Nantucket, Mass., and Portsmouth, Va.
(Nat. from Eu.)
2. SABBATIA, Adans.
Calyx 5--12-parted, the divisions slender. Corolla 5--12-parted,
wheel-shaped. Stamens 5--12; anthers soon recurved. Style 2-cleft or
-parted, slender.--Biennials or annuals, with slender stems, and
cymose-panicled handsome (white or rose-purple) flowers, in summer.
(Dedicated to _L. Sabbati_, an early Italian botanist.)
[*] _Corolla 5-parted, or rarely 6--7-parted._
[+] _Branches all opposite and stems more or less 4-angled; flowers
cymose; calyx with long and slender lobes._
[++] _Corolla white, often turning yellowish in drying._
1. S. paniculata, Pursh. _Stem brachiately much-branched_ (1--2 deg. high);
_leaves linear or the lower oblong, obtuse, 1-nerved_, nearly equalling
the internodes; calyx-lobes much shorter than the corolla.--Low grounds,
Va. to Fla.
2. S. lanceolata, Torr. & Gray. _Stem simple_ (2--3 deg. high) bearing a
flat-topped cyme; _leaves ovate-lanceolate or ovate, 3-nerved_, the
upper acute, much shorter than the internodes; calyx-lobes longer and
flowers larger than in n. 1.--Wet pine barrens, N. J. to Fla.
[++][++] _Corolla rose-pink, rarely white, with a yellowish or greenish
eye._