recurved or deflexed in fruit; calyx-lobes short, at length reflexed;
biennial, not hispid._
1. E. Virginicum, Lehm. (BEGGAR'S LICE.) Stem 2--4 deg. high; radical leaves
round-ovate or cordate, slender-petioled; cauline (3--8' long)
ovate-oblong to oblong-lanceolate, acuminate at both ends; loosely
paniculate racemes divaricate; pedicel and flower each a line long;
_nutlets of the globose fruit equally short-glochidiate over the whole
back_. (Cynoglossum Morisoni, _DC._)--Borders of woods and thickets,
N. Eng. to Minn., south to Va. and La.
2. E. deflexum, Lehm., var. Americanum, Gray. Diffusely branched, about
1 deg. high, leaves oblong to lanceolate, racemes lax, loosely paniculate;
flowers small; _nutlets of the globular-pyramidal fruit only marginally
glochidiate_.--Iowa, Minn., and northward.
3. E. floribundum, Lehm. Rather strict, 2 deg. high or more; leaves oblong-
to linear-lanceolate, the lowest tapering into margined petioles;
racemes numerous, commonly geminate and in fruit rather strict; corolla
larger (blue, sometimes white), 2--3'' in diameter; nutlets scabrous and
margined with a close row of flat subulate prickles.--Minn. and Sask.,
and westward.
[*][*] _Racemes leafy-bracteate, stout pedicels not deflexed; calyx
becoming foliaceous; leaves linear, lanceolate, or the lower spatulate;
hispid annuals._
E. LAPPULA, Lehm. Erect, 1--2 deg. high, nutlets rough-granulate or
tuberculate on the back, the margins with a double row of slender
distinct prickles, or these irregular over most of the back.--Waste and
cultivated grounds, from Canada to the Middle Atlantic States. (Nat.
from Eu.)
4. E. Redowskii, Lehm., var. occidentale, Watson. Erect, 1--2 deg. high, at
length diffuse; nutlets irregularly and minutely sharp-tuberculate, the
margins armed with a single row of stout flattened prickles sometimes
confluent at base.--Minn. to Tex., and westward.
4. KRYNITZKIA, Fisch. & Meyer.
Calyx 5-parted or deeply cleft, erect or little spreading in fruit.
Corolla short, usually with more or less fornicate throat. Nutlets erect
and straight, unarmed, attached to the axis either at inner edge of base
or ventrally from the base upward.--Ours are very hispid annuals or
biennials, with small white flowers in scorpioid spikes. A large western
genus. (Dedicated to _Prof. J. Krynitzki_, of Cracow.)
1. K. crassisepala, Gray. Annual, diffusely much branched, a span high,
very rough-hispid; _leaves oblanceolate and linear-spatulate_; flowers
very small, short-pedicelled, mostly bracteate; _lobes of the persistent
calyx closed over the fruit, the midrib below becoming much thickened_
and indurated; nutlets ovate, acute, _dissimilar_, 3 of them
muricate-granulate and 1 larger and smooth, _attached from the base to
the middle_.--Plains, Sask. to Kan., Tex. and N. Mex.
5. MERTENSIA, Roth. LUNGWORT.
Corolla trumpet-shaped or bell-funnel-shaped, longer than the deeply
5-cleft or 5-parted calyx, naked, or with 5 small glandular folds or
appendages in the open throat. Anthers oblong or arrow-shaped. Style
long and thread-form. Nutlets ovoid, fleshy when fresh, smooth or
wrinkled, obliquely attached next the base by a prominent internal
angle, the scar small.--Smooth or soft-hairy perennial herbs, with pale
and entire leaves, and handsome purplish-blue (rarely white) flowers, in
loose and short panicled or corymbed raceme-like clusters, only the
lower one leafy-bracted; pedicels slender. (Named for _Prof. Francis
Charles Mertens_, a German botanist.)
[*] _Corolla trumpet-shaped, with spreading nearly entire limb and naked
throat; filaments slender, exserted; hypogynous disk 2-lobed._
1. M. Virginica, DC. (VIRGINIAN COWSLIP. LUNGWORT. BLUE BELLS.) Very
smooth, pale, erect (1--2 deg. high); leaves obovate, veiny, those at the
root (4--6' long) petioled; corolla trumpet-shaped, 1' long, many times
exceeding the calyx, rich purple-blue, rarely white; nutlets dull and
roughish.--Alluvial banks, N. Y. to Minn., S. C., and Ark. May.
Cultivated for ornament.
[*][*] _Corolla with conspicuously 5-lobed limb, and crested throat._
[+] _Filaments broad and short; nutlets dull, wrinkled or roughish when
dry._
2. M. paniculata, Don. Roughish and more or less hairy, erect (1--2 deg.
high), loosely branched, _leaves ovate and ovate-lanceolate,
taper-pointed, ribbed, thin_; corolla (6'' long) somewhat funnel-form,
3--4 times the length of the lance-linear acute divisions of the calyx,
filaments broader and shorter than the anthers.--Shore of L. Superior
and north and westward. July and Aug.
3. M. lanceolata, DC. Glabrous or hirsute, pale, 1 deg. high or less, simple
or branched, _leaves spatulate-oblong to lanceolate-linear, smaller
(1--2' long), nearly veinless, obtuse or acute_; corolla-tube somewhat
longer than the lanceolate calyx-lobes; _filaments generally longer than
the anthers_.--Dak. to N. Mex. and westward.
[+][+] _Filaments longer and narrower than the anthers; nutlets shining,
utricular._
4. M. maritima, Don. (SEA LUNGWORT.) Spreading or decumbent, smooth,
glaucous; leaves fleshy, ovate or obovate or spatulate, the upper
surface becoming papillose; corolla white, bell-funnel-form (3'' long),
twice the length of the calyx.--Sea-coast, on rocks and sand, Cape Cod
to Maine and northward; scarce. June--Aug.
6. MYOSOTIS, Dill. SCORPION-GRASS. FORGET-ME-NOT.
Corolla salver-form, the tube about the length of the 5-toothed or
5-cleft calyx, the throat with 5 small and blunt arching appendages
opposite the rounded lobes; the latter convolute in the bud! Stamens
included, on very short filaments. Nutlets smooth, compressed, fixed at
the base; the scar minute.--Low and mostly soft-hairy herbs, with entire
leaves, those of the stem sessile, and with small flowers in naked
racemes, which are entirely bractless, or occasionally with one or two
small leaves next the base, prolonged and straightened in fruit.
Flowering through the season. (Name composed of [Greek: my/s], _mouse_,
and [Greek: ou~)s], [Greek: o)to/s], _ear_, in allusion to the aspect of
the short and soft leaves in some species; one popular name is
MOUSE-EAR.)
[*] _Calyx open in fruit, its hairs appressed, none of them hooked or
glandular._
M. PALUSTRIS, Withering. (TRUE FORGET-ME-NOT.) Perennial; stems
ascending from an oblique creeping base (9--20' high), loosely branched,
smoothish; leaves rough-pubescent, oblong-lanceolate or linear-oblong;
calyx-lobes much shorter than its tube; limb of corolla 3 or 4 lines
broad, sky-blue with a yellow eye.--In wet ground, probably only escaped
from cultivation. (Nat. from Eu.)
1. M. laxa, Lehm. Perennial from filiform subterranean shoots; stems
very slender, decumbent; pubescence all appressed; leaves
lanceolate-oblong or somewhat spatulate; calyx-lobes as long as its
tube; limb of corolla 2 or 3'' broad, paler blue. (M. palustris, var.
laxa, _Gray_.)--In water and wet ground, Newf. to N. Y. (Eu.)
[*][*] _Calyx closing or the lobes erect in fruit, clothed with
spreading hairs, some minutely hooked or gland-tipped; corolla small;
annual or biennial._
2. M. arvensis, Hoffm. Hirsute with spreading hairs, erect or ascending
(6--15' high); leaves oblong-lanceolate, acutish; _racemes naked at the
base and stalked_; corolla blue, rarely white; _pedicels spreading in
fruit and longer than the 5-cleft equal calyx_.--Fields, etc.; not very
common. (Eu.)
3. M. verna, Nutt. Bristly-hirsute, branched from the base, erect
(4--12' high); _leaves obtuse_, linear-oblong, or the lower
spatulate-oblong; _racemes leafy at the base_; corolla very small,
white, with a short limb; _pedicels in fruit erect and appressed_ at the
base, usually abruptly bent outward near the apex, _rather shorter than
the deeply 5-cleft unequal_ (somewhat 2-lipped) _very hispid
calyx_.--Dry ground, rather common. May--July.
M. VERSICOLOR, Pers. More slender than the last, simple at base; racemes
loose, mostly naked at base; _flowers almost sessile; corolla pale
yellow changing to blue or violet; calyx deeply and equally
5-cleft_.--Fields, Del. (Nat. from Eu.)
7. LITHOSPERMUM, Tourn. GROMWELL. PUCCOON.
Corolla funnel-form, or sometimes salver-shaped; the open throat naked,
or with a more or less evident transverse fold or scale-like appendage
opposite each lobe; the spreading limb 5-cleft, its lobes rounded.
Anthers oblong, almost sessile, included. Nutlets ovate, smooth or
roughened, mostly bony or stony, fixed by the base; scar nearly
flat.--Herbs, with thickish and commonly red roots and sessile leaves;
flowers solitary and as if axillary, or spiked and leafy-bracted,
sometimes dimorphous as to insertion of stamens and length of style.
(Name formed of [Greek: li/thos], _stone_, and [Greek: spe/rma], _seed_,
from the hard nutlets.)
Sec. 1. _Nutlets tubercled or rough-wrinkled and pitted, gray and dull;
throat of the (nearly white) corolla destitute of any evident folds or
appendages._
L. ARVENSE, L. (CORN GROMWELL.) Minutely rough-hoary, annual or
biennial; stems erect (6--12' high); leaves lanceolate or linear,
veinless; corolla scarcely longer than the calyx.--Sandy banks and
roadsides. May--Aug. (Nat. from Eu.)
Sec. 2. _Nutlets smooth and shining, white like ivory; corolla
greenish-white or pale-yellow, small, with 5 distinct pubescent scales
in the throat; perennial._
L. OFFICINALE, L. (COMMON GROMWELL.) Much branched above, erect (1--2 deg.
high); _leaves thinnish, broadly lanceolate, acute_, with a few distinct
veins, rough above, soft-pubescent beneath; _corolla exceeding the
calyx_.--Roadsides, N. Eng. to Minn. (Nat. from Eu.)
1. L. latifolium, Michx. Stem loosely branched, erect (2--3 deg. high),
rough; _leaves ovate and ovate-lanceolate, mostly taper-pointed_ (even
the floral ones 2--4' long), _ribbed-veined_, roughish above, finely
soft-pubescent beneath, the root leaves large and rounded; _corolla
shorter than the calyx_.--Open ground and borders of woods, W. New York
to Minn., south to Va. and Ark.
Sec. 3. BATSCHIA. _Nutlets white, smooth and shining; corolla large,
salver-form or nearly so, deep orange-yellow, somewhat pubescent, the
tube much exceeding the calyx, and the throat appendaged. (Roots
perennial, long and deep, yielding a red dye.)_
[*] _Corolla-tube one half to twice longer than the calyx, not much
longer than the ample limb, the lobes entire; appendages little if at
all projecting._
2. L. hirtum, Lehm. _Hispid_ with bristly hairs (1--2 deg. high);
stem-leaves lanceolate or linear, those of the flowering branches
ovate-oblong, bristly-ciliate; _corolla woolly-bearded at the base
inside_ (limb 8--12'' broad); _flowers distinctly peduncled_, crowded,
showy; _fruiting calyx_ (1/2' long) 3--4 times longer than the
nutlets.--Pine barrens, etc., N. Y. to Minn., south and westward.
April--June.
3. L. canescens, Lehm. (PUCCOON of the Indians.) _Softly hairy_ and more
or less _hoary_ (6--15' high); _leaves obtuse_, linear-oblong, or the
upper ovate-oblong, more or less _downy beneath_ and roughish with close
appressed hairs above; _flowers sessile; corolla naked at the base
within; fruiting calyx_ (3'' long) _barely twice the length of the
nutlets_.--Plains and open woods, in sandy soil, Ont. to Va., Ala., and
westward. May.
[*][*] _Corolla-tube in well-developed flowers 2--4 times the length of
the calyx and of its erose-toothed lobes, and the appendages conspicuous
and arching; later flowers small, cleistogenous._
4. L. angustifolium, Michx. Erect or diffusely branched from the base,
6--18' high, minutely rough-strigose and hoary; leaves linear; flowers
pedicelled, leafy-bracted, of two sorts; the earlier large and showy
(corolla-tube 8--18'' long), the later and those of more diffusely
branching plants, with inconspicuous or small and pale corollas, without
crests, and the pedicels commonly recurved in fruit; nutlets usually
punctate. (L. longiflorum, _Spreng._; the long-flowered form.)--Dry and
sterile or sandy soil, Ind. and Mich. to Dak. and Tex., and westward.
8. ONOSMODIUM, Michx. FALSE GROMWELL.
Calyx 5-parted; the divisions linear and erect. Corolla tubular, or
tubular-funnel-form, not crested (the sinuses minutely hooded-inflexed),
the 5 acute lobes converging or barely spreading. Anthers oblong-linear
or arrow-shaped, mucronate, inserted in the throat. Style thread-form,
much exserted. Nutlets bony, ovoid, smooth, erect, fixed by the base;
the scar minute, not hollowed out.--Chiefly perennial herbs, coarse and
hispid, with oblong and sessile ribbed-veined leaves, and white,
greenish, or yellowish flowers, in at length elongated and erect leafy
raceme-like clusters; in summer.--Our species belong to true ONOSMODIUM,
with smooth included anthers on very short filaments; the corolla rarely
twice the length of the calyx. (Named from the likeness to the genus
_Onosma_, which name means _ass-smell_.)
1. O. Virginianum, DC. _Clothed all over with harsh and rigid appressed
short bristles_; stems rather slender (1--2 deg. high); _leaves narrowly
oblong_, or oblong-lanceolate (1--21/2' long), the lower narrowed at base;
_lobes of the narrow corolla lance-awl-shaped_, sparingly bearded
outside with long bristles.--Banks and hillsides, N. Eng. to Fla., Mo.,
and La.
2. O. Carolinianum, DC. _Shaggy all over with long and spreading bristly
hairs_; stem stout, upright (2--4 deg. high); _leaves ovate-lanceolate or
oblong-lanceolate_, acute; lobes of the rather broad corolla
_ovate-triangular or triangular-lanceolate, thickly hirsute
outside_.--Alluvial grounds, W. New York to Minn., south to Ga. and Tex.
Var. molle, Gray. _Pubescence shorter and less spreading or appressed_,
1--2 deg. high; leaves mostly smaller (2' long), when young softly
strigose-canescent beneath. (O. molle, _Michx._)--Ill. to Minn., Tex.,
and westward.
9. SYMPHYTUM, Tourn. COMFREY.
Corolla oblong-tubular, inflated above, 5-toothed, the short teeth
spreading; the throat closed with 5 converging linear-awl-shaped scales.
Stamens included; anthers elongated. Style thread-form. Nutlets smooth,
ovate, erect, fixed by the large hollowed base, which is finely toothed
on its margin.--Coarse perennial herbs, with thickened bitterish
mucilaginous roots; the nodding raceme-like clusters either single or in
pairs. (Ancient Greek name from [Greek: symphei~n], _to grow together_,
probably for its reputed healing virtues.)
S. OFFICINALE, L. (COMMON COMFREY.) Hairy, branched, winged above by the
decurrent leaves; the lower leaves ovate-lanceolate, tapering into a
petiole, the upper narrower; corolla yellowish-white, rarely
purplish.--Moist places; escaped from gardens. June. (Adv. from Eu.)
10. LYCOPSIS, L. BUGLOSS.
Corolla funnel-shaped, with curved tube and slightly unequal limb; the
throat closed with 5 convex obtuse bristly scales opposite the lobes.
Stamens and style included. Nutlets rough-wrinkled, erect, fixed by a
hollowed-out base.--Annuals. (Name from [Greek: ly/kos], _a wolf_, and
[Greek: o)/psis], _face_.)
L. ARVENSIS, L. (SMALL BUGLOSS.) Very rough-bristly (1 deg. high); leaves
lanceolate; flowers in leafy raceme-like clusters; calyx as long as the
tube of the small blue corolla.--Dry or sandy fields, New Eng. to Va.;
scarce. (Adv. from Eu.)
11. ECHIUM, Tourn. VIPER'S BUGLOSS.
Corolla with a cylindraceous or funnel-form tube, and a more or less
unequal spreading 5-lobed border; lobes rounded, the expanded throat
naked. Stamens mostly exserted, unequal. Style thread-form. Nutlets
roughened or wrinkled, fixed by a flat base. (A name of Dioscorides,
from [Greek: e)/chis], _a viper_.)
E. VULGARE, L. (BLUE-WEED.) Rough-bristly biennial; stem erect (2 deg.
high), mostly simple; stem-leaves linear-lanceolate, sessile; flowers
showy, in short lateral clusters, disposed in a long and narrow thyrsus;
corolla reddish-purple changing to brilliant blue (rarely
pale).--Roadsides and meadows of the Middle Atlantic States. June. (Nat.
from Eu.)
ORDER 73. CONVOLVULACEAE. (CONVOLVULUS FAMILY.)
_Chiefly twining or trailing herbs, often with some milky juice, with
alternate leaves (or scales) and regular 5-androus flowers; a calyx of 5
imbricated sepals, a 5-plaited or 5-lobed corolla convolute or twisted
in the bud (imbricate in n. 6); a 2-celled (rarely 3-celled) ovary (or
in one tribe 2 separate pistils), with a pair of erect ovules in each
cell, the cells sometimes doubled by a false partition between the
seeds, so becoming 4-celled; the embryo large, curved or coiled in
mucilaginous albumen._--Fruit a globular 2--6-seeded capsule. Flowers
mostly showy, on axillary peduncles; pedicels articulated, often
2-bracted. (Many are cultivated for ornament, and one, the Sweet Potato,
for its edible farinaceous roots, those of several species are
cathartic; e.g. Jalap.)
Tribe I. DICHONDREAE. Carpels 2 or 4, distinct or nearly so; styles 2
basilar. Creeping herbs.
1. Dichondra. Corolla deeply 5-cleft. Pistils 2, one-seeded.
Tribe II. CONVOLVULEAE. Ovary entire. Leafy plants, mostly twiners.
2. Ipomoea. Style undivided, with stigma capitate or 2--3-globose.
3. Convolvulus. Style undivided or 2-cleft only at apex; stigmas 2,
linear-filiform to subulate or ovate.
4. Breweria. Style 2-cleft or 2-parted; the divisions simple; stigmas
capitate.
5. Evolvulus. Styles 2, each 2-cleft; stigmas linear-filiform. Not
twining.
Tribe III. CUSCUTEAE. Ovary entire. Leafless parasitic twining herbs,
never green. Embryo filiform, coiled, without cotyledons.
6. Cuscuta. The only genus of the group.
1. DICHONDRA, Forst.
Calyx 5-parted. Corolla broadly bell-shaped, 5-cleft. Stamens included.
Styles, ovaries, and utricular 1--2-seeded capsules 2, distinct. Stigmas
thick.--Small and creeping perennial herbs, soft pubescent, with
kidney-shaped entire leaves, and axillary 1-flowered bractless
peduncles. Corolla small, yellowish or white. (Name from [Greek: di/s],
_double_, and [Greek: cho/ndros], _a grain_, from the fruit.)
1. D. repens, Forst. Leaves round kidney-shaped, pubescent, green both
sides; corolla not exceeding the calyx (1--11/2'' long).--Wet ground, Va.
to Tex., near the coast.
2. IPOMOEA, L. MORNING GLORY.
Calyx not bracteate at base, but the outer sepals commonly larger.
Corolla salver-form or funnel-form to nearly campanulate; the limb
entire or slightly lobed. Style undivided, terminated by a single
capitate or 2--3-globose stigma. Capsule globular, 4--6 (by abortion
fewer) -seeded, 2--4-valved. (Name, according to Linnaeus, from [Greek:
i)/ps], _a Bindweed_, and [Greek: o(/moios], _like_; but [Greek: i)/ps]
is _a worm_.)
Sec. 1 QUAMOCLIT. _Corolla salver-form, or with somewhat funnel-form but
narrow tube; stamens and style exserted; flowers red. Annual twiners._
I. QUAMOCLIT, L. (CYPRESS-VINE.) Leaves pinnately parted into
linear-thread-shaped delicate parallel lobes; peduncles 1-flowered;
corolla narrow, scarlet-red, or sometimes white. (Quamoclit vulgaris,
_Choisy_.)--Sparingly spontaneous southward. (Trop. Amer., etc.)
I. COCCINEA, L. Leaves heart-shaped, acuminate, entire or angled, sepals
awn-pointed; corolla light scarlet (1' long). (Quamoclit coccinea,
_Moench_.)--River banks, etc., Ohio to Ill., Va., and southward.
(Probably indigenous in N. Mex. and Arizona.)
Sec. 2. IPOMOEA proper. _Corolla funnel-form or nearly campanulate,
contorted in the bud; stamens and style not exserted._
[*] (MORNING GLORY.) _Lobes of stigma and cells 3; sepals long and
narrow, attenuate upward, mostly hirsute below, corolla purple, blue,
and white._
I. HEDERACEA, Jacq. Stems retrorsely hairy, _leaves heart-shaped,
3-lobed_, the lobes acute or acuminate; peduncles short, or rather long,
1--3-flowered; calyx densely hairy below; corolla white and purple or
pale blue (1--11/2' long). (I. Nil. of Manual, not _Roth_.)--Waste and
cultivated ground, Penn. to Fla., and La. (Trop. Amer.)
I. PURPUREA, Lam. (COMMON MORNING-GLORY.) Annual, stems retrorsely
hairy; _leaves heart shaped, acuminate, entire_; peduncles long,
umbellately 3--5-flowered; calyx bristly hairy below; corolla
funnel-form (2' long), purple, varying to white.--Escaped in cultivated
grounds. (Trop. Amer.)
[*][*] _Stigma 2-lobed or entire; cells 2, each 2-seeded; sepals
broader, imbricated._
[+] _Leaves cordate, acuminate._
1 I. pandurata, Meyer. (WILD POTATO-VINE. MAN-OF-THE-EARTH.) Perennial,
smooth or nearly so when old, trailing or sometimes twining; leaves
occasionally contracted at the sides so as to be fiddle-shaped;
_peduncles longer than the petioles_, 1--5-flowered; _sepals smooth,
ovate-oblong, very obtuse_; corolla open-funnel-form (3' long), white
with purple in the tube.--Dry ground, Conn. to Mich., south to Fla. and
Tex. June--Aug. Stems long and stout, from a huge root, which often
weighs 10--20 pounds.
2 I. lacunosa, L. Annual; rather smooth; stem twining and creeping,
slender; leaves entire or angled-lobed; _peduncles short_,
1--3-flowered; _sepals lance-oblong, pointed, bristly-ciliate_ or hairy,
half the length of the sharply 5-lobed (white, 1/2--{1/3}' long)
corolla.--River-banks and low grounds, Penn. to Ill., south to S. C. and
Tex.
[+][+] _Leaves linear; not twining._
3 I. leptophylla, Torr. Perennial, very glabrous; stems erect or
ascending (2--4 deg. high), with slender recurving branches, from an immense
root (weighing 10--100 pounds); leaves 2--4' long, 2--3'' wide,
short-petioled, acute; peduncles short, 1--2-flowered; sepals broadly
ovate, very obtuse, outer ones shorter; corolla pink-purple,
funnel-form, about 3' long.--Plains of Neb. to central Kan., Tex., and
westward.
3. CONVOLVULUS, Tourn. BINDWEED.
Corolla funnel-form to campanulate. Stamens included. Style undivided or
2-cleft only at the apex; stigmas 2, linear-filiform to subulate or
ovate. Capsule globose, 2-celled, or imperfectly 4-celled by spurious
partitions between the 2 seeds, or by abortion 1-celled, mostly
2--4-valved.--Herbs or somewhat shrubby plants, either twining, erect,
or prostrate. (Name from _convolvo_, to entwine.)
Sec. 1 CALYSTEGIA. _Stigmas oval to oblong; calyx enclosed in 2 broad leafy
brats._
1 C. spithamaeus, L. _Downy; stem low and mostly simple, upright or
ascending_ (6--12' long); leaves oblong, with or without a heart-shaped
or auricled base; corolla white (2' long); stigmas oval. (Calystegia
spithamaea, _Pursh_.)--Dry and sandy or rocky soil; not rare.
2. C. sepium, L. (HEDGE BINDWEED.) Glabrous, or more or less pubescent;
stem _twining or sometimes trailing extensively_; leaves
triangular-halberd-shaped or arrow-shaped, acute or pointed, the basal
lobes obliquely truncate and often somewhat toothed or sinuate-lobed;
peduncles 4-angled; bracts commonly acute; corolla white or tinged with
rose-color (11/2--2' long). (Calystegia sepium, _R. Br._)--Moist alluvial
soil, or along streams; N. Atlantic States and westward. (Eu., etc.)
Var. Americanus, Sims. Glabrous; corolla pink or rose-purple; bracts
obtuse. (C. sepium of Am. authors mainly.)--Common, across the
continent.
Var. repens, Gray. More or less pubescent; sterile and sometimes
flowering stems extensively prostrate; leaves more narrowly sagittate or
cordate, the basal lobes commonly obtuse or rounded and entire; corolla
from almost white to rose-color; bracts very obtuse or acute.
(Calystegia sepium, var. pubescens, _Gray_.)--Common.
Sec. 2. _Stigmas filiform; no bracts at or near the base of the calyx._