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"Five to six inches long; blueish-white above, shiny beneath; found, though rarely, on the American coast." — Goodrich, 1859

Blepharis

"Five to six inches long; blueish-white above, shiny beneath; found, though rarely, on the American…

"It is two to four feet long, and weighs from two to seventy spounds; the general color is greenish brown above, and silvery white beneath. It inhabits deep water, and is often taken a a depth of thirty fathoms." — Goodrich, 1859

Common Cod

"It is two to four feet long, and weighs from two to seventy spounds; the general color is greenish…

"Lives in slow-running rivers, is one to two feet long, conceals itself under stones like an eel, and feeds on aquatic insects and young fish. It weighs from one to eight pounds; the flesh is white, soft, and of good flavor; common in Europe." — Goodrich, 1859

Burbot

"Lives in slow-running rivers, is one to two feet long, conceals itself under stones like an eel, and…

"The salmon two to four feet long, and weighs ten to twelve pounds, though it has been taken of eights andd even a hundred pounds. The form is long and oval, the scales moderately thin, oval, and rather easily detached; the teeth numerous, sharp and incurved; branchial rays twelve, color above blueish-black, tinged with gray; beneath silvery white." — Goodrich, 1859

Salmon

"The salmon two to four feet long, and weighs ten to twelve pounds, though it has been taken of eights…

"The field of Monmouth. In the picture here given, the chief is seen most prominently on his white charger, with his general officers. Washington and Green are in front; Knox on the right, upon the most prominent horse; and behind them are Hamilton, Cadwallader, etc. On the left is seen the group of artillery, with 'Captain Molly' at the gun. In the distance is seen a portion of the British army, and Colonel Monckton falling from his horse. On the right, in the foreground, lying by a cannon, is Dickinson, of Virginia; and on the left, by a drum, Bonner, of Pennsylvania. In the center is a wounded rifleman."—Lossing, 1851

Monmouth

"The field of Monmouth. In the picture here given, the chief is seen most prominently on his white charger,…

"Woodhull's Monument. This monument stands on the south side of the church. It is of white marble, about eight feet in height. The following is the inscription upon it: 'Sacred to the memory of the Reverend John Woodhull, D.D., who died Nov. 22d, 1824, aged 80 years. An able, faithful, and beloved minister of Jesus Christ. He preached the Gospel 56 years. He was settled first in Leacock, in Pennsylvania, and in 1779 removed to this congregation, which he served as pastor, with great diligence and success, for 45 years. Eminent as an instructor of youth, zealous for the glory of God, fervent and active in the discharge of all public and private duties, the labors of a long life have ended ina large reward.'"—Lossing, 1851

Woodhull's Monument

"Woodhull's Monument. This monument stands on the south side of the church. It is of white marble, about…

"It is ten to forty inches long, and sometimes attains the weight of a hundred pounds; the general color is rich olive-brown above, yellowish-white beneath." — Goodrich, 1859

Common Carp

"It is ten to forty inches long, and sometimes attains the weight of a hundred pounds; the general color…

"Battle at Willis Church, Monday, June 30th, 1862- the Federal forces, under General Heintzelman, engaged with the enemy. This desperate battle between the Confederates on one hand and the divisions of General Heintzelman and Franklin on the other was fought on the morning of Monday, June 30th, 1862, at Willis Church, a place midway between the White Oak Swamp Bridge and Turkey Bend, where, later in the day, another fierce fight raged, the week of combat being closed next day by the deadly but drawn battle of Malvern Hill. Our sketch represents the position of part of the Federal army at ten o'clock in the morning, just as the battle was commencing. The baggage train is in the foreground, and the enemy is advancing upon the Federal lines, and covering the advance with a heavy shower of shells. Willis Church is on the left of the illustration, being what most of the Southern places of worship were, mere wooden barns." —Leslie, 1896

Battle at Willis Church

"Battle at Willis Church, Monday, June 30th, 1862- the Federal forces, under General Heintzelman, engaged…

Horses and wagons at the Battle of Willis Church.

Horses and Wagons

Horses and wagons at the Battle of Willis Church.

Ships at the burning of the White House.

Ship

Ships at the burning of the White House.

Ships at the burning of the White House.

Ship

Ships at the burning of the White House.

"Burning of the White House- the Federal troops, by command of General McClellan, abandoning their position at the White House, and breaking up the commisariat depot on the Pamunkey River- departure of the Union flortilla for the James River, June 26th, 1862. The Confederate raid of Stuart's cavalry at Garlick's Landing and Tunstall's Station had struck the occupants of the White House Landing with a deep sense of insecurity; and, consequently, when they received orders on Wednesday, June 25th, to prepare for the hasty removal of all the government stores, they set to work with great activity, and by Thursday the greater portion of the heavy stores were embarked on board the numerous transports lying in the river. Unfortunately, through some accident the White house took fire, and the house of Washington's wife was soon destroyed." — Frank Leslie, 1896

Burning of the White House

"Burning of the White House- the Federal troops, by command of General McClellan, abandoning their position…

"Battle of Shiloh, or Pittsburg Landing, left wing- the woods on fire during the engagement of Sunday, April 6th, 1862- Forty-Fourth Indiana Volunteers engaged. The right wing of General Hurlbut's division stopped the advance of the Confederates by a determined defense along a side road leading through the woods on the right of the field. The Twenty-fifth and Seventeenth Kentucky and Forty-fourth and Thirty-first Indiana Regiments were engaged. By some means the dry leaves and thick underbrush which covered this locality took fire, filling the woods with volumes of smoke, and only discovering the position of the opposing forces to each other by the unceasing rattle of musketry and the whizzing of the bullets." — Frank Leslie, 1896

Battle of Shiloh

"Battle of Shiloh, or Pittsburg Landing, left wing- the woods on fire during the engagement of Sunday,…

"Battle of Shiloh, or Pittsburg Landing, left wing- the woods on fire during the engagement of Sunday, April 6th, 1862- Forty-Fourth Indiana Volunteers engaged. The right wing of General Hurlbut's division stopped the advance of the Confederates by a determined defense along a side road leading through the woods on the right of the field. The Twenty-fifth and Seventeenth Kentucky and Forty-fourth and Thirty-first Indiana Regiments were engaged. By some means the dry leaves and thick underbrush which covered this locality took fire, filling the woods with volumes of smoke, and only discovering the position of the opposing forces to each other by the unceasing rattle of musketry and the whizzing of the bullets." — Frank Leslie, 1896

Battle of Shiloh

"Battle of Shiloh, or Pittsburg Landing, left wing- the woods on fire during the engagement of Sunday,…

"Siege of Petersburg- the Ninth Corps charging on the enemy's works after the explosion of the mine, July 30th, 1864. Immediately after the explosion of the mine a hundred cannons opened along the Federal front, and at half-past five the Ninth Corps charged, carrying the fort with a part of the line on each side. The Second Division, which was in the centre, advanced and carried the second line a short distance beyond the fort, and rested, holding ground with the utmost determination. It was at the time the [African American] Division, under General White, was pushed forward and ordered to charge and carry the crest of the hill, which would have decided the contest. The troops advanced in good order as far as the first line, where they received a galling fire, which checked them, and although quite a number kept on advancing, the greater number seemed to become utterly demoralized, part taking refuge in the fort, and the remainder running to the rear as fast as possible. They were rallied and again pushed forward, but without success, the greater part of the officers being killed or wounded."— Frank Leslie, 1896

Siege of Petersburg

"Siege of Petersburg- the Ninth Corps charging on the enemy's works after the explosion of the mine,…

"Siege of Petersburg- the Ninth Corps charging on the enemy's works after the explosion of the mine, July 30th, 1864. Immediately after the explosion of the mine a hundred cannons opened along the Federal front, and at half-past five the Ninth Corps charged, carrying the fort with a part of the line on each side. The Second Division, which was in the centre, advanced and carried the second line a short distance beyond the fort, and rested, holding ground with the utmost determination. It was at the time the [African American] Division, under General White, was pushed forward and ordered to charge and carry the crest of the hill, which would have decided the contest. The troops advanced in good order as far as the first line, where they received a galling fire, which checked them, and although quite a number kept on advancing, the greater number seemed to become utterly demoralized, part taking refuge in the fort, and the remainder running to the rear as fast as possible. They were rallied and again pushed forward, but without success, the greater part of the officers being killed or wounded."— Frank Leslie, 1896

Siege of Petersburg

"Siege of Petersburg- the Ninth Corps charging on the enemy's works after the explosion of the mine,…

"Desperate skirmish at Old Church, near Tunstall's Station, VA., between a squadron of the Fifth United States Cavalry and Stuart's Confederate Cavalry, June 13th, 1862- death of the Confederate Captain Latane. The Confederate cavalry raid was first to Old Church, where they had a skirmish with a squadron of the Fifth United States Cavalry, who gallantly cut their way through the greatly superior numbers of the enemy, killing a Confederate captain. The Confederates then proceeded to Garlick's Landing, on the Pamunkey River, and only four miles from the White House; thence to Baltimore Crossroads, near New Kent Courthouse, on their way to Richmond, which they reached by crossing the Chickahominy, between Bottom's Bridge and James River."— Frank Leslie, 1896

Old Church

"Desperate skirmish at Old Church, near Tunstall's Station, VA., between a squadron of the Fifth United…

"Desperate skirmish at Old Church, near Tunstall's Station, VA., between a squadron of the Fifth United States Cavalry and Stuart's Confederate Cavalry, June 13th, 1862- death of the Confederate Captain Latane. The Confederate cavalry raid was first to Old Church, where they had a skirmish with a squadron of the Fifth United States Cavalry, who gallantly cut their way through the greatly superior numbers of the enemy, killing a Confederate captain. The Confederates then proceeded to Garlick's Landing, on the Pamunkey River, and only four miles from the White House; thence to Baltimore Crossroads, near New Kent Courthouse, on their way to Richmond, which they reached by crossing the Chickahominy, between Bottom's Bridge and James River."— Frank Leslie, 1896

Old Church

"Desperate skirmish at Old Church, near Tunstall's Station, VA., between a squadron of the Fifth United…

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking the advance of the Confederates. After the battle of Savage's Station the Federals continued on their retreat, and by eight o'clock on the morning of June 30th, 1862, they had crossed White Oak Swamp and Creek, after destroying the bridge over the latter and warding off the repeated attacks to which they were subjected throughout the night. After crossing White Oak Creek the Federals had quickly formed a new line of battle at Willis Church, General Hancock's forces being on the extreme right, while Porter's occupied the left, and Heintzelman's and Sumner's the intervening space. Jackson's advance was checked by the destruction of the bridge, and when he reached the creek, at about noon, he found the approaches well defended by artillery. Jackson opened upon Hancock's troops, and made repeated efforts to rebuild the bridge under cover of his heavy artillery, but he was every time repulsed. While this was going on Longstreet and Hill had come upon a Federal force at a place two miles away, called Frazier's Farm. Here stood Sumner and Hooker, on the extreme right, McCall somewhat in advance toward the centre and Kearny on the extreme left. When Longstreet found this force arrayed against him he waited for re-enforcements to come up, and it was four o'clock when he commenced the attack. McCall's left was first assailed by Kenper's brigade, which was met by the Pennsylvania Reserves under Colonel Simmons, who, after a bitter conflict, drove the Confederates into the woods with a loss of 250 killed and wounded and about 200 prisoners. Fresh troops then enabled the Confederates to drive back the Federals, who in turn lost heavily. Longstreet and Hill now pressed on, and the conflict became a severe one along the entire front. One point, then another, was vainly tried in the determined effort to break the Federal line. At length Wilcox's Alabama Brigade rushed across an open field upon McCall's left, directly against Randall's battery, which centered upon the Confederates a most galling fire. Nothing daunted, they moved on, and finally engaging in a desperate hand-to-hand fight, first captured Cooper's battery, and afterward Randall's battery, which had been doing such terrible execution. A charge was then ordered for the recapture of the guns. The Confederates bravely met the severe attacks that followed. A still more desperate hand-to-hand struggle took place for the possession of the lost batteries, which were finally recaptured. By dark the Confederates had retired into the woods, and the Federals remained on that portion of the field which they had lost earlier in the action. The Federal loss was about 1,800 killed and wounded, whilst that of the Confederates was over 2,000. Colonel Simmons and General Meade were both severely wounded, while General McCall was a made prisoner." —Leslie, 1896

Battle of White Oak Swamp Bridge

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking…

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking the advance of the Confederates. After the battle of Savage's Station the Federals continued on their retreat, and by eight o'clock on the morning of June 30th, 1862, they had crossed White Oak Swamp and Creek, after destroying the bridge over the latter and warding off the repeated attacks to which they were subjected throughout the night. After crossing White Oak Creek the Federals had quickly formed a new line of battle at Willis Church, General Hancock's forces being on the extreme right, while Porter's occupied the left, and Heintzelman's and Sumner's the intervening space. Jackson's advance was checked by the destruction of the bridge, and when he reached the creek, at about noon, he found the approaches well defended by artillery. Jackson opened upon Hancock's troops, and made repeated efforts to rebuild the bridge under cover of his heavy artillery, but he was every time repulsed. While this was going on Longstreet and Hill had come upon a Federal force at a place two miles away, called Frazier's Farm. Here stood Sumner and Hooker, on the extreme right, McCall somewhat in advance toward the centre and Kearny on the extreme left. When Longstreet found this force arrayed against him he waited for re-enforcements to come up, and it was four o'clock when he commenced the attack. McCall's left was first assailed by Kenper's brigade, which was met by the Pennsylvania Reserves under Colonel Simmons, who, after a bitter conflict, drove the Confederates into the woods with a loss of 250 killed and wounded and about 200 prisoners. Fresh troops then enabled the Confederates to drive back the Federals, who in turn lost heavily. Longstreet and Hill now pressed on, and the conflict became a severe one along the entire front. One point, then another, was vainly tried in the determined effort to break the Federal line. At length Wilcox's Alabama Brigade rushed across an open field upon McCall's left, directly against Randall's battery, which centered upon the Confederates a most galling fire. Nothing daunted, they moved on, and finally engaging in a desperate hand-to-hand fight, first captured Cooper's battery, and afterward Randall's battery, which had been doing such terrible execution. A charge was then ordered for the recapture of the guns. The Confederates bravely met the severe attacks that followed. A still more desperate hand-to-hand struggle took place for the possession of the lost batteries, which were finally recaptured. By dark the Confederates had retired into the woods, and the Federals remained on that portion of the field which they had lost earlier in the action. The Federal loss was about 1,800 killed and wounded, whilst that of the Confederates was over 2,000. Colonel Simmons and General Meade were both severely wounded, while General McCall was a made prisoner." —Leslie, 1896

Battle of White Oak Swamp Bridge

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking…

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking the advance of the Confederates. After the battle of Savage's Station the Federals continued on their retreat, and by eight o'clock on the morning of June 30th, 1862, they had crossed White Oak Swamp and Creek, after destroying the bridge over the latter and warding off the repeated attacks to which they were subjected throughout the night. After crossing White Oak Creek the Federals had quickly formed a new line of battle at Willis Church, General Hancock's forces being on the extreme right, while Porter's occupied the left, and Heintzelman's and Sumner's the intervening space. Jackson's advance was checked by the destruction of the bridge, and when he reached the creek, at about noon, he found the approaches well defended by artillery. Jackson opened upon Hancock's troops, and made repeated efforts to rebuild the bridge under cover of his heavy artillery, but he was every time repulsed. While this was going on Longstreet and Hill had come upon a Federal force at a place two miles away, called Frazier's Farm. Here stood Sumner and Hooker, on the extreme right, McCall somewhat in advance toward the centre and Kearny on the extreme left. When Longstreet found this force arrayed against him he waited for re-enforcements to come up, and it was four o'clock when he commenced the attack. McCall's left was first assailed by Kenper's brigade, which was met by the Pennsylvania Reserves under Colonel Simmons, who, after a bitter conflict, drove the Confederates into the woods with a loss of 250 killed and wounded and about 200 prisoners. Fresh troops then enabled the Confederates to drive back the Federals, who in turn lost heavily. Longstreet and Hill now pressed on, and the conflict became a severe one along the entire front. One point, then another, was vainly tried in the determined effort to break the Federal line. At length Wilcox's Alabama Brigade rushed across an open field upon McCall's left, directly against Randall's battery, which centered upon the Confederates a most galling fire. Nothing daunted, they moved on, and finally engaging in a desperate hand-to-hand fight, first captured Cooper's battery, and afterward Randall's battery, which had been doing such terrible execution. A charge was then ordered for the recapture of the guns. The Confederates bravely met the severe attacks that followed. A still more desperate hand-to-hand struggle took place for the possession of the lost batteries, which were finally recaptured. By dark the Confederates had retired into the woods, and the Federals remained on that portion of the field which they had lost earlier in the action. The Federal loss was about 1,800 killed and wounded, whilst that of the Confederates was over 2,000. Colonel Simmons and General Meade were both severely wounded, while General McCall was a made prisoner." —Leslie, 1896

Battle of White Oak Swamp Bridge

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking…

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking the advance of the Confederates. After the battle of Savage's Station the Federals continued on their retreat, and by eight o'clock on the morning of June 30th, 1862, they had crossed White Oak Swamp and Creek, after destroying the bridge over the latter and warding off the repeated attacks to which they were subjected throughout the night. After crossing White Oak Creek the Federals had quickly formed a new line of battle at Willis Church, General Hancock's forces being on the extreme right, while Porter's occupied the left, and Heintzelman's and Sumner's the intervening space. Jackson's advance was checked by the destruction of the bridge, and when he reached the creek, at about noon, he found the approaches well defended by artillery. Jackson opened upon Hancock's troops, and made repeated efforts to rebuild the bridge under cover of his heavy artillery, but he was every time repulsed. While this was going on Longstreet and Hill had come upon a Federal force at a place two miles away, called Frazier's Farm. Here stood Sumner and Hooker, on the extreme right, McCall somewhat in advance toward the centre and Kearny on the extreme left. When Longstreet found this force arrayed against him he waited for re-enforcements to come up, and it was four o'clock when he commenced the attack. McCall's left was first assailed by Kenper's brigade, which was met by the Pennsylvania Reserves under Colonel Simmons, who, after a bitter conflict, drove the Confederates into the woods with a loss of 250 killed and wounded and about 200 prisoners. Fresh troops then enabled the Confederates to drive back the Federals, who in turn lost heavily. Longstreet and Hill now pressed on, and the conflict became a severe one along the entire front. One point, then another, was vainly tried in the determined effort to break the Federal line. At length Wilcox's Alabama Brigade rushed across an open field upon McCall's left, directly against Randall's battery, which centered upon the Confederates a most galling fire. Nothing daunted, they moved on, and finally engaging in a desperate hand-to-hand fight, first captured Cooper's battery, and afterward Randall's battery, which had been doing such terrible execution. A charge was then ordered for the recapture of the guns. The Confederates bravely met the severe attacks that followed. A still more desperate hand-to-hand struggle took place for the possession of the lost batteries, which were finally recaptured. By dark the Confederates had retired into the woods, and the Federals remained on that portion of the field which they had lost earlier in the action. The Federal loss was about 1,800 killed and wounded, whilst that of the Confederates was over 2,000. Colonel Simmons and General Meade were both severely wounded, while General McCall was a made prisoner." —Leslie, 1896

Battle of White Oak Swamp Bridge

"Battle of White Oak Swamp Bridge, Monday June 30th, 1862- Ayres's, Mott's and Randall's batteries checking…

"Noted for a very long proboscis, sometimes twice the length of the shell. The latter is turretted, smooth, white, and spotted with light red." — Goodrich, 1859

Bishop's mitre shell

"Noted for a very long proboscis, sometimes twice the length of the shell. The latter is turretted,…

"British flag. This is a representation of one of the flags surrendered at Yorktown, and presented to Washington. I made this sketch of the flag itself, then in the Museum at Alexandria, in Virginia. It belonged to the seventh regiment. The size of the flag is six feet long, and five feet four inches wide. The ground is blue; the central stripe of the cross red; the marginal ones white. In the center is a crown, and beneath it a garter with its inscription, 'Honi soit qui mal y pense,' inclosing a full-blown rose. These are neatly embroidered with silk. The fabric of the flag is heavy twilled silk."—Lossing, 1851

British Flag

"British flag. This is a representation of one of the flags surrendered at Yorktown, and presented to…

"The shell is mostly white and lustrous; turreted and many-whorled; the animal has a proboscis-like mouth, tentacles close together, long, and pointed, and the eyes near their outer bases." — Goodrich, 1859

Wentle-trap

"The shell is mostly white and lustrous; turreted and many-whorled; the animal has a proboscis-like…

"The <em>B. velum</em> is very elegant, and of a light-brown color; the apex and base are both white, bordered with dark brown bands." &mdash; Goodrich, 1859

Bulla velum

"The B. velum is very elegant, and of a light-brown color; the apex and base are both white,…

"Washington's head-quarters. The house occupied by Washington while the army was at White Plains is yet standing. It is a frame building, on the east side of the road, about two miles above the village. This view is from the road, looking northeast. When I last visited it (1851), Miss Jemima Miller, a maiden ninety-three yeras of age, and her sister, a few years her junior, were living therein, the home of their childhood. A chair and table, used by the chief, is carefully preserved by the family, and a register for the names of the numerous visitors is kept. This house was in the deep solitude of the forests, among the hills, when Washington was there; now the heights and the plain near by smile with cultivation."—Lossing, 1851

Washington's Head-Quarters

"Washington's head-quarters. The house occupied by Washington while the army was at White Plains is…

"Place where the British crossed the Bronx. This view is from the southeastern side of the Bronx, a little more than half a mile below the rail-way station at White Plains, looking north. The rail-way bridge is seen on the extreme right. Between that and the barn on the left the British ascended. In the field, seen a little to the left of the telegraph posts, toward the center, and the one on the summit beyond, the hottest of the engagement occurred. The latter is on the land of Mr. Cornelius Horton. In a hollow, near a large hickory-tree, on the southwest side of Chatterton's Hill, are the graves of many of the slain."&mdash;Lossing, 1851

Bronx

"Place where the British crossed the Bronx. This view is from the southeastern side of the Bronx, a…

Upper leaves shorter and broader.

Callitriche

Upper leaves shorter and broader.

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves, and they are sometimes cultivated for the sake of their beautiful foliage."-Whitney, 1902

Acanthus

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves,…

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves, and they are sometimes cultivated for the sake of their beautiful foliage."-Whitney, 1902

Acanthus

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves,…

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves, and they are sometimes cultivated for the sake of their beautiful foliage."-Whitney, 1902

Acanthus

"A genus of small herbaceous plants of southern Europe and Africa; they have spinosely toothed leaves,…

Plants stuff; rooting along the stem; leaves stiff and often fascicles.

Juncus

Plants stuff; rooting along the stem; leaves stiff and often fascicles.

Leaves with dilated bases.

Najas

Leaves with dilated bases.

Leaves with narrow bases.

Zannichellia

Leaves with narrow bases.

Leaves usually three in whorls (sometimes four); flowers minute and inconspicuous

Anacharis

Leaves usually three in whorls (sometimes four); flowers minute and inconspicuous

Leaves crowded on stem; flowers three petaled, pink and fairly conspicuous.

Mayaca

Leaves crowded on stem; flowers three petaled, pink and fairly conspicuous.

Leaves elliptic, the petiole ad under surface coated with a thick jelly-like material.

Brasenia

Leaves elliptic, the petiole ad under surface coated with a thick jelly-like material.

Leaves small, about 8 cm. in diameter or less; toothed or lobed.

Hydrocotyle

Leaves small, about 8 cm. in diameter or less; toothed or lobed.

Leaves small, mostly less than 15cm. long, heart-shaped; flowers white and less than 2.5cm across.

Nymphoides

Leaves small, mostly less than 15cm. long, heart-shaped; flowers white and less than 2.5cm across.

Flowers white; leaf-blade round.

Nymphaea

Flowers white; leaf-blade round.

Leaves round, often peltate; the long petiole attached near center of leaf.

Hydrocotyle

Leaves round, often peltate; the long petiole attached near center of leaf.

flowers solitary in the axils of the leaves; leaves less than 3.5cm long.

Ludwigia

flowers solitary in the axils of the leaves; leaves less than 3.5cm long.

Flowers in stalked head-like spikes; leaves over 3.5cm long.

Alternanthera

Flowers in stalked head-like spikes; leaves over 3.5cm long.

Stems with a sheath just above attachment point of leaf; flowers individually small, white to pink.

Polygonum

Stems with a sheath just above attachment point of leaf; flowers individually small, white to pink.

Plants small, mostly under 1 dm tall; leaves filiform, or very narrowly linear.

Myosurus

Plants small, mostly under 1 dm tall; leaves filiform, or very narrowly linear.

Flowers violet, over 3cm scross; leaves equitant at base; that is coming in two ranks, making the base of the plant appear flattened.

Nemastylis

Flowers violet, over 3cm scross; leaves equitant at base; that is coming in two ranks, making the base…

Leaves large (1cm wide or wider); flowers very showy.

Iris

Leaves large (1cm wide or wider); flowers very showy.

Leaves smaller, rigid; small yellow flowers gathered in dense heads at top of naked stalk, each subtended by a scale-like bract.

Xyris

Leaves smaller, rigid; small yellow flowers gathered in dense heads at top of naked stalk, each subtended…

Leaves from base of scape bearing evident white flowers in racemes; roots without crss-constrictions.

Sagittaria

Leaves from base of scape bearing evident white flowers in racemes; roots without crss-constrictions.

Leaves narrow, mostly less than 1 cm.

Juncus

Leaves narrow, mostly less than 1 cm.

Sheaths abruptly contracted to blade of leaf; leaves without keels.

Typha

Sheaths abruptly contracted to blade of leaf; leaves without keels.

Sheaths narrowed to blade; leaves with keels.

Sparganium

Sheaths narrowed to blade; leaves with keels.

flowers white in dense button-like heads; leaves bristly-margined.

Eryngium

flowers white in dense button-like heads; leaves bristly-margined.

Flowers yellow, not in button-like heads nor with bristly-margined leaves.

Polygala

Flowers yellow, not in button-like heads nor with bristly-margined leaves.

Spores borne on terminal modified leaves; divisions of the leaf larger, more than 2 cm long.

Osmunda

Spores borne on terminal modified leaves; divisions of the leaf larger, more than 2 cm long.

Leaves opposite.

Bidens

Leaves opposite.

"A maple-tree, prob. so called from its pointed leaves. ex. Sugar maple"-Whitney, 1902

Acer

"A maple-tree, prob. so called from its pointed leaves. ex. Sugar maple"-Whitney, 1902

Flowers white.

Nasturtium

Flowers white.

Individual leaflets of compud leaves also lobed or divided.

Neobeckia

Individual leaflets of compud leaves also lobed or divided.