E. HELIOSCOPIA, L. Stems ascending (6--12' high), stout; _leaves all

obovate_ and very rounded or retuse at the end, _finely serrate_, smooth

or a little hairy, those of the stem wedge-shaped; umbel divided into 5

rays, then into 3, or at length simply forked; _glands orbicular,

stalked; pods smooth and even; seeds with coarse honeycomb-like

reticulations_.--Waste places, eastward and along the Great Lakes to

Mich. July--Sept. (Nat. from Eu.)

[+][+] _Leaves entire; glands crescent-shaped or 2-horned._

[++] _Seeds smooth and dark-colored; perennials, with running

rootstocks._

E. ESULA, L. Stems clustered (1 deg. high); _leaves lanceolate or linear,

the floral_ (yellowish) _broadly heart-shaped_, mucronate; umbel divided

into many rays, then forking; _glands short-horned_ (brown); pods

smoothish and granular.--Mass., western N. Y., and Mich.; rare. (Adv.

from Eu.)

E. CYPARISSIAS, L. Stems densely clustered (6--10' high); _stem-leaves

linear, crowded, the floral heart-shaped_; umbel many-rayed; _glands

crescent-shaped_; pods granular.--Escaped from gardens, common. (Nat.

from Eu.)

E. NICAEENSIS, All. _Stout and tall_ glabrous perennial; _leaves oblong

or oblong-lanceolate_, the floral broadly heart-shaped, mucronate;

terminal umbel many-rayed, the rays forking; glands short-horned; _pods

finely wrinkled_.--A rare escape; Binghampton, N. Y. (Adv. from Eu.)

[++][++] _Seeds sculptured, ash-colored; pod smooth; annuals or

biennials._

E. PEPLUS, L. Erect or ascending (5--10' high); _leaves petioled_, thin

round-obovate, the upper floral ones ovate; umbel 3-rayed, then forking;

glands long-horned; lobes of the _pod 2-wing-crested_ on the back;

_seeds 2-grooved on the inner face, pitted on the back_ (scarcely over

1/2'' long).--Waste places, N. Eng. to N. J. and western N. Y. (Adv. from

En.)

19. E. commutata, Engelm. Stems branched from a commonly decumbent base

(6--12' high); _leaves_ obovate, obtuse; the upper all _sessile_, the

upper floral ones roundish-dilated, broader than long; umbel 3-forked;

glands with slender horns; _capsule obtusely angled; seeds ovate, pitted

all over_ (1'' long).--Along streams and shady slopes, Md. to Fla.,

Minn., and Mo.

[*][*][*] _Glabrous annual or biennial with entire opposite and

decussate leaves, an umbelliform inflorescence, and short-horned

glands._

E. LATHYRIS, L. Stem stout (2--3 deg. high); leaves thick, linear or oblong,

the floral oblong-ovate and heart-shaped; umbel 4-rayed, then

forking.--Sparingly escaped from gardens, N. Eng. to N. C. (Adv. from

Eu.)

2. PACHYSANDRA, Michx.

Flowers monoecious, in naked spikes. Calyx 4--5-parted. Petals none.

_Ster. Fl._ Stamens 4, separate; filaments long-exserted, thick and

flat; anthers oblong-linear. _Fert. Fl._ Ovary 3-celled; styles 3,

thick, awl-shaped, recurved, stigmatic down their whole length inside.

Ovules a pair in each cell, suspended, with the rhaphe dorsal (turned

away from the placenta). Capsule deeply 3-horned, 3-celled, splitting

into 3 at length 2-valved 2-seeded carpels.--Nearly glabrous, low and

procumbent perennial herbs, with matted creeping rootstocks, and

alternate, ovate or obovate, coarsely toothed leaves, narrowed at base

into a petiole. Flowers each 1--3-bracted, the upper staminate, a few

fertile ones at base, unpleasantly scented; sepals greenish or purplish;

filaments white (their size and thickness giving the name, from [Greek:

pachu/s], _thick_, and [Greek: a)ne/r], used for _stamen_).

1. P. procumbens, Michx. Stems (6--9' long) bearing several approximate

leaves at the summit on slender petioles, and a few many-flowered spikes

along the base; the intervening portion naked, or with a few small

scales.--Woods, mountains of Ky., W. Va., and southward. March--May.

3. PHYLLANTHUS, L.

Flowers monoecious, axillary. Calyx usually 5--6-parted, imbricated in

the bud. Petals none. Stamens mostly 3, erect in the bud, often united.

Ovules 2 in each cell of the ovary. Capsule depressed; each carpel

2-valved, 2-seeded. Seeds not carunculate.--Leaves alternate, 2-ranked,

with small stipules. (Name composed of [Greek: phy/llon], _leaf_, and

[Greek: a)/nthos], _blossom_, because the flowers in a few species are

borne upon leaf-like dilated branches.)

1. P. Carolinensis, Walt. Annual, low and slender, branched; leaves

obovate or oval, short-petioled; flowers commonly 2 in each axil, almost

sessile, one staminate, the other fertile; calyx 6-parted; stamens 3;

styles 3, each 2-cleft; glands of the disk in the fertile flowers united

in a cup.--Gravelly banks, E. Penn. to Fla., west to S. Ind. and Ill.

July--Sept.

4. JATROPHA, L.

Flowers monoecious, rarely dioecious, in a terminal open forking cyme;

the fertile ones usually in the lower forks. Calyx corolla-like, in the

staminate flowers often salver shaped, 5-lobed; in the pistillate,

5-parted, imbricated or convolute in the bud. Corolla of 5 distinct or

apparently united petals, or none. Glands of the disk opposite the

calyx-lobes. Stamens 10--30, in 2 or more whorls; filaments monadelphous

at base. Ovary mostly 3-celled; styles 3, united below, their summits

once or twice forked. Capsule 3-celled, 3-seeded, separating into 3

two-valved carpels. Seed carunculate.--Perennial herbaceous or shrubby

plants, chiefly tropical, with alternate mostly long-petioled

palmately-veined leaves, and stipules.--Our species is of the section

CNIDOSCOLUS, with apetalous flowers, the staminate corolla salver-form,

and the plants mostly armed with stinging bristles. (Name said by

Linnaeus to be formed of [Greek: i)atro\n], _a remedy_, and [Greek:

pha/go], _to eat_.)

1. J. stimulosa, Michx. (TREAD-SOFTLY. SPURGE-NETTLE.) Herbaceous,

from a long perennial root, branching (6'--2 deg. high); leaves

roundish-heart-shaped, 3--5-lobed nearly to the base, on long petioles;

the divisions entire or acutely toothed, cut, or even pinnatifid, often

discolored; flowers white, fragrant, 9'' long or more; filaments 10,

monadelphous only at the woolly base, or the outer set almost distinct.

(J. urens, var. stimulosa, _J. Muell._)--Dry sandy soil, Va. to Fla. and

La. June--Sept.

5. CROTON, L.

Flowers monoecious, rarely dioecious, mostly in terminal spike-like

racemes or spikes. _Ster. Fl._ Calyx 5- (rarely 4--6-) parted; the

divisions lightly imbricated or nearly valvate in the bud. Petals

usually present, as many, but mostly small or rudimentary, hypogynous.

Glands or lobes of the disk as many as and alternate with the petals.

Receptacle usually hairy. Stamens 5 or more; filaments with the anthers

inflexed in the bud. _Fert. Fl._ Calyx 5--10-cleft or parted, nearly as

in the staminate flowers; but petals none or minute rudiments. Ovary

3- (rarely 2--4-) celled, with a single ovule in each cell; styles as

many, from once to thrice 2-cleft. Capsule separating into as many

2-valved 1-seeded carpels. Seeds carunculate.--Stellate-downy, or

scurfy, or hairy and glandular plants, mostly strong-scented; the

fertile flowers usually at the base of the sterile spike or cluster.

Leaves alternate, or sometimes imperfectly opposite, with or without

obvious stipules. ([Greek: Kroto/n], the Greek name of the Castor-oil

Plant, of this family.)

[*] _Sterile flowers with 4-parted calyx, as many petals, a 4-rayed disk

and 8 stamens; fertile flowers with 5-parted calyx, very minute

rudimentary petals, and the 3 styles 2-cleft._

1. C. glandulosus, L. Annual, rough-hairy and glandular (1--2 deg. high),

somewhat umbellately branched; leaves oblong or linear-oblong, obtusely

toothed, the base with a saucer-shaped gland on each side; fertile

flowers capitate-clustered at the base of the sterile spike, sessile in

the forks and terminal.--Open waste places, Va. to Iowa, E. Kan. and

southward.

[*][*] _Sterile flowers with 5-parted calyx, as many glands alternating

with the petals, and 10--14 stamens; fertile flowers with 7--12-parted

calyx, no petals, and the 3 styles twice or thrice 2-parted._

2. C. capitatus, Michx. Annual, densely soft-woolly and somewhat

glandular (1--2 deg. high), branched; leaves long-petioled, lance-oblong or

elongated-oblong, rounded at base, entire; petals obovate-lanceolate,

densely fimbriate; fertile flowers several, capitate-crowded at the base

of the short terminal sterile spike.--Barrens, N. J. to Ga., west to S.

Ind., Iowa, and E. Kan. July--Sept.

[*][*][*] _Sterile flowers with unequally 3--5-parted calyx, as many

petals and scale-like glands, and 3--8 stamens; fertile flowers with

equally 5-parted calyx, no petals, 5 glands, and 2 sessile 2-parted

stigmas._

3. C. monanthogynus, Michx. Annual, whitish-stellate-pubescent and

rusty-glandular; stems (1--2 deg. high) slender, erect, below often

umbellately 3--4-forked, then repeatedly 2--3-forked or alternately

branched; leaves oblong-ovate or narrowly oblong, entire, often acutish

(6--12'' long, about twice the length of the petioles); flowers in the

forks, the sterile few on the summit of a short and erect peduncle, the

fertile few and clustered or mostly solitary on short recurved

peduncles; ovary 2-celled; fruit often by abortion 1-celled and

1-seeded; the seed broadly oval.--Barrens and dry prairies, S. Ind. to

N. C. and Fla., west to E. Kan. June--Sept.

[*][*][*][*] _Dioecious; calyx equally 5-parted; petals none; stamens 10

or more; styles twice or thrice dichotomously 2-parted._

4. C. Texensis, Muell. Annual, covered with a close canescent stellate

pubescence, dichotomously branched or spreading (1--2 deg. high); leaves

narrowly oblong-lanceolate to linear; staminate spikes or racemes very

short, often sessile; capsule stellate-tomentose and somewhat

muricate.--Mo. and Kan. to Ala., Tex., and westward.

6. CROTONOPSIS, Michx.

Flowers monoecious, in very small terminal or lateral spikes or

clusters, the lower fertile. _Ster. Fl._ Calyx equally 5-parted. Petals

5, spatulate. Stamens 5, opposite the petals; filaments distinct,

inflexed in the bud, enlarged at the apex. _Fert. Fl._ Calyx unequally

3--5-parted. Petals none. Glands (petal-like scales) 5, opposite the

sepals. Ovary 1-celled, simple, 1-ovuled, bearing a twice or thrice

forked style. Fruit dry and indehiscent, small, 1-seeded. Seed without

caruncle.--A slender low annual, with alternate or opposite

short-petioled linear or elliptical lanceolate leaves, which are green

and smoothish above, but silvery hoary with starry hairs and scurfy with

brownish scales underneath, as well as the branches, etc. (_Croton_ and

[Greek: o)/psis], _appearance_, for a plant with the aspect and general

character of Croton.)

1. C. linearis, Michx.--Dry sandy soil, N. J. to Fla., west to Ill. and

Kan. July--Sept.--Fruit about 1'' long.

7. ARGYTHAMNIA, P. Browne.

Flowers monoecious. Calyx 5-parted, valvate in the staminate flowers,

imbricate in the pistillate. Petals alternate with the calyx-lobes and

with the prominent lobes of the glandular disk. Stamens 5--15, united

into a central column in 1--3 whorls. Styles 1--3-cleft. Capsule

depressed, 3-lobed. Seeds subglobose, roughened or reticulated, not

carunculate.--Erect herbs or undershrubs, with purplish juice, and

alternate usually stipulate leaves. (Name from [Greek: a)/rgyros],

_silver_, and [Greek: tha/mnos], _bush_, from the hoariness of the

original species.)

1. A. mercurialina, Muell. Stem erect, nearly simple (1--2 deg. high),

sericeous; leaves sessile, oblong-ovate to lanceolate, entire, pubescent

with appressed hairs or glabrate, somewhat rigid; raceme

many-flowered, exceeding the leaves; ovary sericeous; capsule

appressed-pubescent.--Kan. to Ark. and Tex.

8. ACALYPHA, L. THREE-SEEDED MERCURY.

Flowers monoecious; the sterile very small, clustered in spikes, with

the few or solitary fertile flowers at their base, or sometimes in

separate spikes. Calyx of the sterile flowers 4-parted and valvate in

bud; of the fertile, 3--5-parted. Corolla none. Stamens 8--16; filaments

short, monadelphous at base; anther-cells separate, long, often

worm-shaped, hanging from the apex of the filament. Styles 3, the upper

face or stigmas cut-fringed (usually red). Capsule separating into 3

globular 2-valved carpels, rarely of only one carpel.--Herbs (ours

annuals), or in the tropics often shrubs, resembling Nettles or

Amaranths; the leaves alternate, petioled, with stipules. Clusters of

sterile flowers with a minute bract; the fertile surrounded by a large

and leaf-like cut-lobed persistent bract. ([Greek: A)kale/phe], an

ancient name of the Nettle.)

[*] _Fruit smooth or merely pubescent; seeds nearly smooth._

1. A. Virginica, L. Smoothish or hairy (1--2 deg. high), often turning

purple; leaves ovate or oblong-ovate, obtusely and sparsely serrate,

long-petioled; sterile spike rather few-flowered, mostly shorter than

the large leaf like palmately 5--9-cleft fruiting bracts; fertile

flowers 1--3 in each axil.--Fields and open places, N. Eng. to Ont. and

Minn., south to the Gulf. July--Sept.

Var. gracilens, Muell. Leaves lanceolate or even linear, less toothed

and shorter-petioled; the slender sterile spike often 1' long, and much

surpassing the less cleft or few-toothed fruiting bracts.--Sandy dry

soil, R. I. and Conn. to Fla., west to Ill., E. Kan. and Tex.

[*][*] _Fruit echinate with soft bristly green projections; seeds

rough-wrinkled._

2. A. Caroliniana, Ell. Leaves thin, ovate-cordate, sharply and closely

serrate-toothed, abruptly acuminate, long-petioled; sterile spikes

short, axillary; the fertile ones mostly terminal and elongated, their

bracts deeply cut into many linear lobes.--N. J. to Fla., west to Ohio,

Kan., and Tex.

9. RICINUS, Linn. CASTOR-OIL PLANT.

Flowers in racemose or panicled clusters, the fertile above, the

staminate below. Calyx 5-parted. Stamens very numerous, with repeatedly

branching filaments. Styles 3, united at base, each bifid, red. Capsule

large, 3-lobed, with 3 large seeds.--A tall stately annual, with very

large alternate peltate and palmately 7--11-cleft leaves (often 1--2 deg.

broad). (The ancient Roman name of the plant.)

R. COMMUNIS, L.--Cultivated extensively for ornament, and sparingly

escaped in Md., Mo., and southward. Very variable.

10. TRAGIA, Plumier.

Flowers monoecious, in racemes, apetalous. _Ster. Fl._ Calyx 3--5-

(chiefly 3-) parted, valvate in the bud. Stamens 2 or 3; filaments

short; anther-cells united. _Fert. Fl._ Calyx 3--8-parted, persistent.

Style 3-cleft or 3-parted; the branches 3, simple. Capsule 3-celled,

3-lobed, bristly, separating into three 2-valved 1-seeded carpels. Seeds

not carunculate.--Erect or climbing plants (perennial herbs in U. S.),

pubescent or hispid, sometimes stinging, with mostly alternate stipulate

leaves; the small flowered racemes terminal or opposite the leaves; the

sterile flowers above, the few fertile at the base all with small

bracts. (Named for the early herbalist _Bock_, latinized _Tragus_.)

1. T. innocua, Walt. _Erect_, paniculate-branched, _softly

hairy-pubescent_ (6--12' high); _leaves_ varying from obovate-oblong to

narrowly linear, _acute at base_, obtusely or sinuately few-toothed or

lobed, sometimes entire, _short-petioled or sessile_, paler beneath;

sterile calyx usually 4-parted; stamens 2. (T. urens, _L._)--Dry sandy

soil, E. Va. to Fla. and La. May--Aug.--Not stinging.

2. T. nepetaefolia, Cav. _Erect or reclining_ or slightly twining,

hirsute with stinging hairs; _leaves ovate-lanceolate or

triangular-lanceolate_, or the lower ovate, _all somewhat cordate or

truncate at base_, coarsely cut-toothed, _short-petioled_; sterile calyx

usually 3-parted and stamens 3. (T. urticaefolia, _Michx._)--Virginia

(_Pursh_), and common southward to Fla. and Tex., Mo., Kan., and

westward.--T. STYLARIS, Muell., of the southwest, which is reported from

Kan., may be distinguished by its 4--5-parted sterile calyx, 4--5

stamens, and elongated styles.

3. T. macrocarpa, Willd. _Twining_, somewhat hirsute; _leaves deeply

cordate_, ovate, mostly narrowly acuminate, sharply serrate (3--5'

long), all but the uppermost _long-petioled_; pod 1/2' broad. (T.

cordata, _Michx._)--Ky. to Ga., Fla., and La.

11. STILLINGIA, Garden.

Flowers monoecious, aggregated in a terminal spike. Petals and glands of

the disk none. Calyx 2--3-cleft or parted; the divisions imbricated in

the bud. Stamens 2 or 3; anthers adnate, turned outward. Style thick;

stigmas 3, diverging, simple. Capsule 3-celled, 3-lobed, 3-seeded. Seed

carunculate.--Smooth upright plants with the alternate leaves mostly

2-glandular at base; the fertile flowers few at the base of the dense

sterile spike (rarely separate); the bract for each cluster with a large

gland on each side. (Named for _Dr. B. Stillingfleet_.)

1. S. sylvatica, L. Herbaceous (1--3 deg. high); leaves almost sessile,

oblong-lanceolate, serrulate; glands of the spike saucer-shaped.--Sandy

and dry soil, Va. to Fla., west to Kan. and Tex. June--Sept.

ORDER 99. URTICACEAE. (NETTLE FAMILY.)

_Plants with stipules, and monoecious or dioecious or rarely (in the_

Elm Family) _perfect flowers, furnished with a regular calyx, free from

the 1-celled (rarely 2-celled) ovary which forms a 1-seeded fruit; the

embryo in the albumen when there is any, its radicle pointing upward;

stamens as many as the lobes of the calyx and opposite them, or

sometimes fewer._ Cotyledons usually broad. Stipules often deciduous.--A

large order (far the greater part tropical).

Tribe I. ULMEAE. Flowers mostly polygamous, upon the last year's

branches. Anthers erect in the bud, extrorse. Styles or stigmas 2. Fruit

a winged samara or nut-like. Seed suspended. Embryo straight.--Trees,

with alternate serrate pinnately veined leaves and fugacious stipules.

1. Ulmus. Flowers preceding the leaves. Ovary 1--2-ovuled. Fruit winged

all around.

2. Planera. Flowers appearing with the leaves. Ovule one. Fruit

wingless, nut-like.

Tribe II. CELTIDEAE. As in Tribe I., but the dioecious-polygamous flowers

upon branches of the same year; anthers introrse; fruit a drupe; embryo

curved.

3. Celtis. Ovary 1-ovuled. Flowers appearing with the leaves. Leaves

3-nerved at base.

Tribe III. CANNABINEAE. Flowers dioecious; the sterile racemed or

panicled; the fertile in clusters or catkins, the calyx of one sepal

embracing the ovary. Filaments short, erect in the bud. Stigmas 2,

elongated. Ovary 1-celled, with a pendulous ovule, forming a small

glandular achene in fruit. Embryo curved or coiled.--Erect or climbing

herbs, with watery juice, mostly opposite lobed or divided leaves,

persistent stipules, and a fibrous inner bark.

4. Cannabis. Fertile flowers spiked-clustered. Leaves 5--7-divided.

Erect.

5. Humulus. Fertile flowers in a short spike forming a membranaceous

catkin in fruit. Leaves 3--5-lobed. Climbing.

Tribe IV. MOREAE. Flowers unisexual, racemose, spicate or capitate; calyx

becoming fleshy or juicy in fruit. Anthers inflexed in the bud. Style

undivided or 2-parted, filiform; ovule pendulous; fruit an achene,

embryo curved.--Trees or shrubs, with milky juice, alternate leaves, and

fugacious stipules.

6. Maclura. Sterile flowers in loose racemes; fertile in globose heads.

Leaves entire.

7. Morus. Fertile and sterile flowers in separate spikes. Leaves

dentate, 3-nerved.

Tribe V. URTICEAE. Flowers unisexual. Filaments indexed in the bud. Style

or stigma simple. Ovary 1-celled, with an erect ovule, forming an achene

in fruit. Embryo straight.--Herbs with watery juice, tough fibrous bark,

and opposite or alternate leaves; often armed with stinging hairs.

[*] Calyx in the fertile flowers of 2--5 separate or nearly separate

sepals.

[+] Plant beset with stinging bristles.

8. Urtica. Sepals 4 in both fertile and sterile flowers. Achene straight

and erect, enclosed by the 2 inner and larger sepals. Stigma capitate

tufted. Leaves opposite.

9. Laportea. Sepals 5 in the sterile flowers, 4 in the fertile, or

apparently only 2. Stigma long-subulate. Achene very oblique, deflexed,

nearly naked. Leaves alternate.

[+][+] Plant wholly destitute of stinging bristles. Leaves alternate.

10. Pilea. Sepals 3 or 4, those of the fertile flowers unequal, all or

all but one small. Achene partly naked, straight and erect. Stigma

pencil-tufted. Smooth and shining.

[*][*] Fertile calyx tubular or cup-shaped, enclosing the achene.

Unarmed.

11. Boehmeria. Flower-clusters spiked, not involucrate. Style long and

thread-shaped, stigmatic down one side. Leaves opposite, serrate.

12. Parietaria. Flowers in involucrate-bracted clusters. Stigma tufted.

Leaves alternate, entire.

1. ULMUS, L. ELM.

Calyx bell-shaped, 4--9-cleft. Stamens 4--9, with long and slender

filaments. Ovary 1--2-celled, with a single anatropous ovule suspended

from the summit of each cell; styles 2, short, diverging, stigmatic

along the inner edge. Fruit a 1-celled and 1-seeded membranaceous

samara, winged all around. Albumen none; embryo straight; the

cotyledons large.--Flowers polygamous, purplish or yellowish, in lateral

clusters, in our species preceding the leaves, which are strongly

straight-veined, short-petioled, and oblique or unequally somewhat

heart-shaped at base. Stipules small, caducous. (The classical Latin

name.)

[*] _Flowers nearly sessile; fruit orbicular, not ciliate; leaves very

rough above._

1. U. fulva, Michx. (SLIPPERY or RED ELM.) Buds before expansion

soft-downy with rusty hairs (large); leaves ovate-oblong, taper-pointed,

doubly serrate (4--8' long, sweet-scented in drying), soft-downy beneath

or slightly rough downward; branchlets downy; calyx-lobes and stamens

5--9; fruit (8--9'' wide) with the cell pubescent.--Rich soil, N. Eng.

to Dak., and southward. March, April.--A small or middle-sized tree

(45--60 deg. high), with tough reddish wood, and a very mucilaginous inner

bark.

[*][*] _Flowers on slender drooping pedicels, which are jointed above

the middle; fruit ovate or oval, fringed-ciliate; leaves smooth above,

or nearly so._

2. U. Americana, L. (AMERICAN or WHITE ELM.) _Buds and branchlets_

glabrous; _branches not corky_; leaves obovate-oblong or oval, abruptly

pointed, sharply and often doubly serrate (2--4' long), soft-pubescent

beneath, or soon glabrous; _flowers in close fascicles_; calyx with 7--9

roundish lobes; _fruit glabrous_ except the margins (1/2' long), its sharp

points incurved and closing the notch.--Moist woods, especially along

rivers, in rich soil. April.--A large and well-known ornamental tree,

variable in habit, usually with spreading branches and drooping

branchlets.

3. U. racemosa, Thomas. (CORK or ROCK ELM.) _Bud-scales downy-ciliate_

and somewhat pubescent, as are the young branchlets; _branches often

with corky ridges_; leaves nearly as in the last, but with veins more

simple and straight; _flowers racemed_; fruit much as in the last, but

rather larger.--River-banks, S. W. Vt. to Ont. and central Minn., south

to Mo. and Ky. A large and very valuable tree.

4. U. alata, Michx. (WAHOO or WINGED ELM.) _Bud-scales and branchlets

nearly glabrous; branches corky-winged_, at least some of them; leaves

downy beneath, ovate-oblong and oblong-lanceolate, acute, thickish,

small (1--21/2' long); calyx-lobes obovate; fruit downy on the face at

least when young.--Va. to S. Ind., S. Mo., and southward. March. A small

tree.

2. PLANERA, Gmelin. PLANER-TREE.

Flowers monoeciously polygamous. Calyx 4--5-cleft. Stamens 4--5. Ovary

ovoid, 1-celled, 1-ovuled, crowned with 2 spreading styles which are

stigmatose down the inner side, in fruit becoming coriaceous and

nut-like, not winged. Albumen none; embryo straight.--Trees with small

leaves, like those of Elms, the flowers appearing with them, in small

axillary clusters. (Named for _J. J. Planer_, a German botanist.)

1. P. aquatica, Gmel. Nearly glabrous; leaves ovate-oblong, small; fruit

stalked in the calyx, beset with irregular rough projections.--Wet

banks, N. C. to Ky., S. Ill., and southward. April. A rather small tree.

3. CELTIS, Tourn. NETTLE-TREE. HACKBERRY.

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