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Flora herself envies to see

moderately blown, and on a clear day before Flowers fairer than her own, and durable as she. noon; for conserves, roses must be taken in the

Cowley. bud. Flowers were in great request at the enIris there with humid bow,

tertainments of the ancients, being provided by Waters the odorous banks that blow

the master of the feast, and brought in before Flowers of more mingled hew

the second course; or, as some think, at the beThan her purple scarf can shew. Milton.

ginning of the entertainment. They not only If you can accept of these few observations, which have flowered off, and are, as it were, the burnishing

adorned their heads, necks, and breasts, with of many studious and contemplative years, I here flowers, but often bestrewed the beds whereon give you them to dispose of.

Id. they lay, and all parts of the room with them. Day's harbinger

But the head was chiefly regarded. See GarComes dancing from the East, and leads with her LAND. Flowers were likewise used in bedecking The flowery May, who from her green lap throws tombs. The yellow cowslip and the pale primrose. Id. A method of preserving flowers in their na

The nomination of persons to those places being so tural beauty through the whole year has been prime and inseparable a flower of his crown, he would much sought after.Some have attempted it by reserve to himself.

Clarendon.

gathering them when dry and not too much Then laughs the childish year with Hoverets

opened, and burying them in dry sand; but this, crowned, And lavishly perfumes the fields around;

though it preserves their figure well, takes off But no substantial nourishment receives,

from the liveliness of their color. 1. MuntinInfirm the stalks, unsolid are the leaves. Dryden. gius prefers the following method to all others.

Observing that this manvre produced flowers in the Gather the flowers, when they are not yet thofield, I made my gardener try those shells in my roughly open in the middle of a dry day; put flower-garden, and I never saw better carnations or them into a good earthen vessel glazed within; Bowers.

Mortimer's Husbandry. fill the vessel up to the top with them; and when The French monarchy is exhausted of its bravest full sprinkle them over with some good French subjects : the flower of the nation is consumed in its wine, with a little salt in it: then set them in a celwars.

Addison.

lar, tying down the mouth of the pot. After this Alas! young man, your days can ae'er be long :

they may be taken out at pleasure; and, on setIn flower of age you perish for a song. Pope. O'er his fair limbs a fiowery vest he threw. id.

ting them in the sun, or within reach of the fire, To her the shady grove, the flowery field,

they will open as if growing naturally; and not The streams and fountains no delight could yield.

only the color, but the smell also will be preId. served. The flowers of plants are by much the

most difficult parts of them to preserve in any That transitory flower : even while it lasts

tolerable degree of perfection; of which we have Palls on the roving sense when held too near, instances in all the horti sicci, or collections of Or dwelling there too long : by fits it pleases, dried plants. In these the leaves, stalks, roos, And smells at distance best; its sweets familiar

and seeds of the plants appear very well preBy frequent converse, soon grow dull and cloy you.

served ; the strong texture of these parts making Jeffery's Edwin.

them always retain their natural form, and the If the blossom of the plant be of most importance,

color in many species naturally remaining. But we call it a flower ; such are daisies, tulips, and carnations.

where these fade, the plant is little worse for use

Watts. But man, associated and leagued with man

as to the knowing the species by it. But it is By regal warrant, or self-joined by bond

very much otherwise in regard to flowers; these For interest sake, or swarming into clans

are naturally by much the most beautiful parts of Beneath one head for purposes of war,

the plants to which they belong: but they are so Like Aowers selected from the rest, and bound much injured in the common way of drying, And bundled close to fill some crowded vase, . that they not only lose, but change their colors

Fades rapidly, and, by compression marred, one into another, by which means they occasion Contracts defilement not to be endured.

Cowpet.
Cowper.

nany errors; and they usually also wither up, so Bow their white heads, admire the changing clime, as

lime, as to lose their very form and natural shape. Shake fron their candied trunks the tinkling rime; With bursting buds their wrinkled barks adorn,

The primrose and cowslip afford remarkable inAnd wed the timorous floret to her thorn. Darwin.

stances of the change of colors in the flowers of O Death why arm with cruelty thy power,

dried specimens: for those of this class of plants

easily dry in their natural shape; but they lose And spare the idle weed, yet lop the flower ?

their yellow, and, instead of it, acquire a fine

Beattie. Of late with cumbersome though pompous show,

green color, much superior to that of the leaves Edwin would oft his flowery rhyme deface,

in their most perfect state. The flowers of all Through ardour to adorn.

Id.

the violet kind lose their beautiful blue, and beMany and beautiful lay those around,

come of a dead white: so that in dried specimens Like flowers of different hue, and clime, and root, there is no difference between the blue-flowered Jn some exotic garden sometimes found

violet and the white-flowered. 2. Another meWith cost and care, and warmth induced to shoot. thod of preserving both flowers and fruit found

Byron. throughout the whole year, is also given by the Flower, flos, among botanists and gardeners, same author. Take of salt-petre one pound, arthe most beautiful part of trees and plants con- menian bole two pounds, clean common sand taining the organs of generation and fructifica- three pounds; mix all well together; then gather tion. See BOTANY. Flowers designed for me- fruit of any kind that is not fully ripe, with the dical use, should be plucked when they are stalk to each ; put these in, one by one, into

Beauty

wide-mouthed glass, laying them in good order: quantities of nitre, and others have tried earth lie over the top with an oil cloth, and carry them and sand at the bottom; but the flowers always into a dry cellar, and set the whole upon a bed succeed better without any addition. Instead of the prepared matter, of two inches thick, in a of earthen pots, some use glass jars with the box. Fill up the remainder of the box with the leads; in which the flowers not only succeed as same preparation; and let it be four inches thick well, but the progress of the roots is visible, and all over the top of the glass, and all round its the supply of water is better managed. Dried sides. Flowers are to be preserved in the same bulbs have been found, by repeated experiments, sort of glasses, and in the same manner; and to succeed in this way better than those taken they may be taken up after a whole year as fresh out of the ground; the latter, being full of plump and fair as when they were buried. moisture, are long of imbibing nourishment from

FLOWERS, in chemistry, generally imply dry their new element, the fibres they struck in the bodies reduced into very fine parts, cither spon- ground rot, and new ones shoot out, before they taneously, or by some operation of art; but the produce flowers. Narcissuses and hyacinths do terin is chiefly applied to volatile solid substances, well together; as also tulips and jonquils, and reduced into a kind of fine meal by sublimation. crocuses and snow-drops. One species of Some flowers are nothing else than the bodies hyacinth, called Keyser's jewel, seldom or never themselves, which are sublimed entire, without produces seed vessels in the common way flowersuffering any alteration or decomposition; others ing in the ground; but it will often produce are some of the constituent parts of the body some pods when blown in water. Ranunculus subjected to sublimation.

and anemone roots have been found to shoot up FLOWERING OF BULBOUS Plants IN WATER. their stalks very well in this way; but the flowers That these plants will grow and flower in water are usually blasted, probably for want of free alone, without any earth, is evident from daily air. Pinks will flower very well in this manner; observation; but it has been generally confined and auriculas may, with care, be brought to to siagle roots. The elegant appearance that these flower, but not strongly. Roses, jessamines, make, however, may be greatly increased by and honey-suckles, may also be made to flower causing several roots to grow in the same vessel; in this way, and will thrive and send out suckers: and that even in a common garden pot. Stop the best pieces to plant are suckers cut off about the hole at the bottom of the pot with a cork, three inches under ground, without any fibres. and lute it with putty so as no water can get Some succulent plants may also be raised in this through ; fit a board to the top of the pot, with way; for instance, the opuntia or Indian fig. a number of holes, proportioned to its size, If a fragment of a leaf of this plant be cut and bored in it for the bulbs, and as many smaller laid by to dry for a month, till it is an absolute ones to receive sticks for supporting the flowers. skin, as soon as it is put in this manner into Fill up the pot with water to the board, and water, it begins to plump up, and soon sends place tulips, jonquils, narcissuses, and the like out fibrous roots, and produces new leaves as plants, in the root upon the holes, so that the quickly as it would do in the ground. This is bottom of the roots may touch the water: thus the more remarkable in these sorts of plants, they will all flower early in the season, and be because in their natural state in the ground, they much more beautiful than any pot of gathered cannot bear much water. The growing of plants flowers; and will last many weeks in their full in water is, however, not peculiar to those with perfection. When the season of flowering is bulbous roots, for others may be thus raised, over, the roots will gradually sink through the even from seed. A bean or a pea set in this holes of the board, and get loose into the water; manner, will grow up to its proper standard, where, instead of spoiling, they will soon in- produce pods and ripen seed. Smaller seeds crease in size, so that they cannot return through may also be raised, if sown upon a piece of the holes, but will produce several offsets. From woollen cloth spread on the surface of the water. this it has been tried to keep the roots under Though no vegetable transplanted out of the water all the time of their blowing, which has earth into water will thrive kindly, any plant, succeeded very well, the flower being stronger whether raised from the root or seed in water, and more beautiful than those growing from the may be transplanted to the earth, and will sucground. In a room properly regulated, as to ceed very well. This method of raising plants heat, flowers may thus be kept in blow from be- in the water, would therefore suggest an imfore Christmas till March or April. But in this provement upon the usual practice in raising last method, as it is difficult to keep the board some roots in the earth which are subject to rot under water, a piece of sheet lead (four pounds to there; such as anemonies, ranunculuses, and the foot) may be substituted for the board, and, hyacinths. A bulb acidentally dropped upon besides the piece for the top, it will be neces- the ground, will strike out both stronger and sary to have another plate of lead fitted to the more numerous fibres than those planted in the bottom of the pot, with holes for the sticks cor- usual way; and from this it would seem to be responding with those in the upper plate, so proper to take out the earth of the bed where that the sticks being put through both holes will the bulbs are designed to stand, to such a depth be kept perfectly steady. Each of the leads as they are to be placed under it, when set for should have a notch in the edge, for the free flowering. The bulbs should then be set in ascent and descent of the water. The roots thus their places, on the surface of this low ground; kept under water will flower in the most vigor- to stand there till they have shot out their fibres ous and beautiful manner. To add to the virtues and their head; after which the earth should be of the water some have tried the putting in small added over them by degrees, till they are covered as high above the head as in the usual manner As the greatest part of my estate has hitherto been of planting them. Thus they would be pre- of an unsteady and volatile nature, either tossed served from the danger of rotting; their fibres upon seas, or fluctuating in funds, it is now fixed and would be much stronger, and consequently they settled in substantial acres and tenements. Addison would draw more nourishment, and flower better The fluctuating fields of liquid air, than in the common way. The ordinary method With all the curious meteors hovering there, of planting these roots renders them liable to

And the wide regions of the land, proclaim be destroyed by either extreme of a wet or dry

The Power Divine, that raised the mighty frame. season: in the former case, they immediately

Blackmore. rot by the superabundant moisture; and, in the

FLUDD (Robert), the son of Sir Thomas latter, they become as dry as a stick and mouldy, Fludd, was born at Milgate in Kent, in 1574. so that the first rain thai falls afterwards infalli. He was educated at St. John's College, Oxford, bly rots them.

where he took his degrees in arts, after which FLO'WER DE Luce, n. s. From Fr. fleur de lis. he travelled abroad. He returned to England A bulbous iris.

in 1605, took the degree of M. D. and became Cropped are the flower de luces in your arms :

fellow of the college of physicians in London. Of England's coat one half is cut away.

He was a most voluminous writer; doated greatly Shakspeare.

on the wonders of alchemy; was a zealous broThe iris is the flower de luce.

Peacham. ther of the Rosicrucian order; and his books,

which are mostly in Latin, are as dark and FLOWER'INGBUSH, 1. s. A plant.

mysterious in their language as in their matter. FLOWK, n. s. Scott. fluke. A flounder; the He died in 1637. name of a fish. See FLOUNDER.

FLUE, n. s. A word of which I know not Amongst these the flowk, sole, and plaice, follow the etymology, says Dr. Johnson, unless it be the tide up into the fresh waters.

Carew. derived from flew of fly. Mr. Todd suggests the Flowk'wort, n. s. The name of a plant. Fr. l'ouverte, an opening: Mr. Thomson, with

FLOWN, participle of fly. Gone away ; more probability, the Lat. flatus ; a puff or blast puffed ; inflated ; elate.

as its origin. A small pipe or chimney to conFor those,

vey air, heat, or smoke. Soft down or fur, such Appointed to sit there, had left their charge, as may fly in the wind. Flown to the upper world. Milton's Paradise Lost, FLU'ELLIN, n. s. The herb speedwell. And when night

FLU'ENCY, n. s. Lat. fruens, fluo; à Darkens the streets, then wander forth the sons FLU'ENT, adj. & n. s. Gr. Blow. The adjecOf Belial, flown with insolence and wine. Id. FLU'ENTLY, adv. tive is the etymon; and

Where, my deluded sense! was reason flown ? literally signifies flowing, liquid; the motion of Where the high majesty of David's throne ? water in flux: thus it is also applied to what

Prior.

ever is ready; copious; voluble. The noun Is this a bridal or a friendly feast?

signifies the quality of flowing; smoothness; Or from your deeds I rightly may divine,

freedom from harshness or asperity; affluence; Unseemly flown with insolence or wine. Pope.

abundance: but the latter sense is obsolete. FLUCTUATE, v. n.) Lat. fluctuatus, part.

God riches and renown to men imparts, Fluc'TUANT, urlj. Sof fluctuo from fluctus,

Even all they wish; and yet their narrow hearts FluctUA’TION, n. s. Sa wave. It conveys

Cannot so great a fluency receive, the idea of strong agitation: it expresses the

But their fruition to a stranger leave. Sandys. motion of the waves perpetually heaving back

Those have some natural dispositions, which have wards and forwards : hence it is applied to what better grace in youth than in age, such as is a fluent ever is uncertain, or is the subject of sudden

and luxurious speech.

Baeon. vicissitudes. Applied to the mind, it signifies It is not malleable ; but yet is not fluent, but stuto be irresolute; undetermined.

pified,

Id. The Tempter, but with shew of zeal and lovo Motion being a fluent thing, and one part of its duTo man, and indignation at his wrong,

ration being independent upon another, it doth not New parts puts on, and as to passion moved,

follow that because any thing moves this moment, it Fluctuates disturbed, yet comely and in act

must do so the next.

Ray on the Creation. Raised, as of some great matter to begin.

Confiding in their hands, that sed’lous strive Milton's Paradise Lost. To cut the outrageous fluent ; in this distress, Fluctuations are but motions subservient, which Even in the sight of death.

Philips. winds, storms, shores, shelves, and every interjacency Fluency of numbers, and most expressive figures for irregulates.

Browne. the poet, morals for the serious, and pleasantries for Even the influence of superstition is fluctuating and admirers of points of wit.

Garth. precarious ; and the slave whose reason is subdued, The common fluency of speech in many men, and will often be delivered by his avarice or pride. most women, is owing to a scarcity of matter, and a

Gibbon.

scarcity of words ; for whoever is master of language, It will not hinder it from making a proselyte of a and hath a mind full of ideas, will be apt, in speakperson, that loves fluctuation of judgment little ing, to hesitate upon the choice of both. Swift. enough to be willing to be eased of it by any thing

FLUID, adj. & n. x.) Lat. fluo, fluidus. See but errour.

Boyle. To be longing for this thing to-day, and for that

FLUID'ITY, n. s. FLUENCY. Fr. flucide, thing to-morrow: to change likings for loathings, and ILU IDNESS, N. S. Jurantc. That Willy to stand wishing and hankering at a venture, how is from its nature, flows; that quality in bodies it possible for any man to be at rest in this fluctuant which is opposite to solidity and stability; any wandering humour and opinion ? L'Estrange. thing not solid.

Dr serve they as a flowery verge to bind

with as much force as concentrated sulphuric 'he fluid skirts of that same watery cloud,

acid, and appears to operate by the production est it again dissolve, and shower the earth?

of water; for, while it carbonises these subMilton.

tances, they may be touched without any risk of What if we should say that fluidness and stability

burning. Exposed to a high temperature, it is end so much upon the texture of the parts, that

not decomposed; and is condensed by cold withthe change of that texture the same parts may be de to constitute either a fluid or a dry body, and

out changing its form. When it is put in contact t permanently tov.

Boyle.

with oxygen, or air, either at a high or low temIf particles slip easily, and are of a fit size to be perature, it experiences no change, except seizing, tated by heat, and the heat is big enough to keep at ordinary temperatures, the moisture which m in agitation, the body is fluid; and if it be apt these gases contain. It may hence be employed stick to things, it is humid.

Newton with advantage, to show whether or not a gas Heat promotes fluidity very much, by diminishing contains moisture.

tenacity of bodies : it makes many bodies fluid, No combustible body attacks fluoboric gas, ich are not fluid in cold, and increases the fluidity of if we except potassium and sodium, which, iacious liquids; as of oil, balsam, and honey; and with the aid of heat, burn in this gas, almost as reby decreases their resistance.

Id.

brilliantly as in oxygen. Boron, and fluate of As when the fig's prest juice, infused in cream, curds coagulates the liquid stream,

potash, are the products of this decomposition; the dden the fluids fix, the parts combine. Pope.

fluoboric gas being a compound of fluorine and Consider how luxury hath introduced new diseases,

boron, the potassium unites to the former, giving d with them, not iimprobably, altered the whole rise to the fuoride of potassium, while the boron urse of the fluids.

Arbuthnot. remains disengaged. Fluoboric gas is very soThe permanently elastic fluid generated in the fir- luble in water. According to Dr. John Davy 5 of gunpowder, is calculated by Mr. Robins to be water combines with 700 times its own volume, out 244, if the bulk of the powder be one.

or twice its weight, at the ordinary temperature

Darwin and pressure of the air. Water saturated with Fluids, ELASTIC. See AEROLOGY, Air, Fixed this gas is limpid, fuming, and very caustic. By IR, GAS, VAPOR, &c.

heat, about one-fifth of the absorbed gas may Fluids, LAWS AND PROPERTIES OF. See

be expelled; but it is impossible to abstract (YDROSTATICS.

more. It then resembles concentrated sulFLUKE-WORm. See Fasciola.

phuric acid, and boils at a temperature consiFLUMET, a town of France, in the depart- derably above 212°. It afterwards condenses Tent of Mont Blanc, ci-devant duchy of Savoy, altogether in striæ, although it contains still a nd lordship of Faussigny; seated on the Arly, very large quantity of gas. It unites with the mong the mountains, thirty miles north-east of bases, forming salts, called fluoborates, none of Chambery, and thirty-one south-east of Geneva. which have been applied to any use in the arts.

FLUV'MERY, 11. s. A kind of food, made See CHEMISTRY. y coagulation of wheat-flour or oatmeal.

FLU'OR, n. s., Lat. A fluid state; catamenia. Milk and flummery are very fit for children. Locke.

The particles of fuids, which do not cohere too FLUM VERY is thus prepared: steep three

strongly, and are of such a smallness as renders them arge handfuls of finely ground oat-meal, for

most susceptible of those agitations which keep liquors wenty-four hours, in two quarts of fair water: in a fluor, are most easily separated and rarefied into hen pour off the clear water, and put two quarts vapours.

Newton's Opticks. of fresh water to it: strain it through a fine hair Hence silvery selenite her crystal moulds, ieve, putting in two spoonfuls of orange-flower And soft asbestos smooths his silky folds; water and a spoonful of sugar: boil it till it is His cubic forms phosphoric fluor prints, is thick as a hasty pudding, stirring it con- Or rays in spheres his amethystine tints. Darwin. tinually while it is boiling, that it may be very Fluor, in physics, signifies properly the state smooth,

of a body that was before hard or solid, but is FLUMS, a town of Switzerland, in the late reduced by fusion or fire into a state of fluidity. county of Sargans, on the Mat, five miles west Fluor, or FluOR-SPAR, in mineralogy, a of Sargans.

genus of calcareous earth, the eleventh of that FLUNG, participle and preterite of fling. class in Kirwan's arrangement, the octohedral Thrown; cast.

fuor of Jameson, and flus of Werner. It is Several statues the Romans themselves flung into divided into three sub-species, viz. compact the river, when they would revenge themselves. fluor, foliated fluor, and earthy or sandy fluor.

Addism on Italy. 1. Compact fluor. Colors, greenish-gray and FLUOBORIC ACID. This is a gaseous acid, greenish-white. Dull or feebly glimmering. and may be obtained by heating in a glass re- Massive. Fracture even. Fragments sharptort twelve parts of sulphuric acid with a mix- edged. Harder than calcareous spar, but not so ture of one part of fused boracic acid, and two hard as apatite, the eighth of Kirwan's scale for of fluor-spar, reduced to a very fine powder, and hardness.' Brittle, and easily frangible. Specific it must be received over mercury. Its density gravity 3.17. It is found in veins, associated is 2:41; it is colorless; its smell is pungent, re- with sparry fluor, at Stolberg in the Hartz. sembling that of muriatic acid; it cannot be 2. Foliated fluor. Its colors are very numebreathed without instant suffocation; it extin- rous, pure, and greenish-white, or yellowish or guishes combustion; and reddens strongly the reddish-white, or gray or bluish-gray, or light tincture of turnsole. It has no manner of action or violet-blue, or grass, leek, or olive-green, or on glass, but attacks vegetable and animal matters dark red verging to purple, or purple inclining to black, or wine or honey yellow, or yellowish- the strata seen by a microscopical examination brown. Many of these occur often in spots, of the specimen. blotches, or veins pervading the mass of one 3. Common sand, or earthy fluor. It is of a and the same specimen. It is found either light gray color and loose consistence; when ainorphous, or crystallised; the most usual of strewed on an iron plate, heated a little below the crystallised forms is that of a perfect cube, redness, it diffuses a blue or pale-yellow phosthe angles or edges rarely truncated or bevelled; phoric light. According to the experiments of these last have sometimes concave planes. The Klaproth and Gmelin, it contains the fluor acid octohedral form is also sometimes met with. Its singly, and not the phosphoric. Mr. Pelletier surface mostly smooth, or frosted over with mi- found 100 parts of it to contain thirty-one of nute crystals. Lustre 2, 3. Transparency 2,3,4. silex, twenty-one of calx, 15.5 argil, 29.5 sparty Fracture foliated, generally straight, seldom acid, one of phosphoric acid, and one of iron. curved; some parts, however, are found splin- In an unconnected substance of this sort, diftery, as if passing into the compact. Fragments ferent specimens must undoubtedly contain diftend to the form of triangular or quadrangular ferent proportions of ingredients; among these pyramids, and present coarse or small-grained, the silex is evidently adventitious, the phosphoric seldom prismatic, distinct concretions.

acid being in such small quantity, may be found Hardness 8, being harder than calcareous in some specimens, and not in others. It occurs spar, but not so hard as apatite ; very brittle. in veins along with fluor spar at Beeralstone in Specific gravity 3.09 to 3.19; that of the speci- Devoushire, in Cumberland, in Saxony, and men, Leske, O. 1613, is 3.154. Before the Norway. It has also been found at Kobola blow-pipe it generally decrepitates, gradually Poiana, in the district of Marmaros, in Hungary. loses its color and transparency, and melts, The whole of this genus is nearly insoluble in without any flux, into a grayish-white glass. water. It does not effervesce with any acid, When two fragments are rubbed together, they except the concentrated vitriolic acid, and with become luminous in the dark. When gently that but feebly. The nitrous and marine acids, heated it phosphoresces with a blue and green ju the common temperature of the atmosphere, light; but, by ignition, loses its phosphorescent are not absolutely inert with respect to it, but property. The violet-blue variety, from Nerts- scarcely dissolve it without decomposition. It chinsky, called chlorophane, when placed on is insoluble in the acetous. In a moderate beat glowing coals, does not decrepitate, but soon it decrepitates; and, if pulverised, phosphoresces, throws out a green light. It occurs principally particularly the blue or purple colored; but, if in veins that traverse primitive, transition, and heated to redness, it will nerer afterwards phossometimes secondary rocks. It has been found phoresce. In a heat of 130° of Wedgwood, it only in four places in Scotland; but occurs melts in clay crucibles, or, but less perfectly, in much more abundantly in England, being found those of chalk, but on charcoal very imperfectly. in all the galena veins that traverse the coal for- By concentrated solar heat, or that given out by mation in Cumberland and Durham: in secon- pure air, it melts into a button which is genedary or floetz limestone in Derbyshire; and it is rally white and opaque when cold; if that heat the most common veinstone in the copper, tin, be long continued, it becomes less fusible. and lead veins, that traverse granite, clay-slate, FLUORIC ACID, in chemistry, is an acid &c., in Cornwall and Devonsbire. It is also generally supposed among chemists, to be a frequent on the continent of Europe.

compound of an unknown radical fluoride and We need offer no apology for extracting the hydrogen. Such, at least, is the opinion exfollowing account of an experiment, by Dr. pressed by Dr. Henry, Dr. Thomson, and Sir Brewster, on the phosphorescence of a specimen H. Davy. of the blue foliated Auor: "When a thin slice Put one part of fluate of lime, i. e. fluor spar, was cut from this specimen, so as to be transpa- in coarse powder into a leaden or tin retort, and rent, it resembled a leaf with veins inclined to pour upon it two parts of sulphuric acid. Lute the ridge or central line which divided it into the retort to a leaden receiver, containing one two parts. The central line, and several of the part of water, and apply a gentle heat. The veins were colorless; while some of the veins fuoric acid gas disengaged will be absorbed by were of a deep amethyst color, and others of a the water, and form liquid fuoric acid, which pale amethyst color.'

must be kept in well-closed leaden or tin Upon placing this slice on a hot iron,' says bottles, or phials coated within with wax or Dr. Brewster, in order to examine its phospho- varnish. If the receiver be cooled with ice, and rescence, I was surprised to observe that the no water put in it, then the condensed acid is an phosphorescent matter was arranged in strata or intensely active liquid, first procured by M. Gay veins, parallel to those of the specimen, and Lussac. It has the appearance of sulphuric each stratum emitted a phosphoric light peculiar acid, but is much more volatile, and sends off to itself, and differing from that of the other white fumes when exposed to the moist air. Its strata either in color or intensity. Some of the specific gravity is only 1.0609. It must be veins discharged a purple light; others a yel- examined with great caution, for when applied lowish-green light; others a whitish light, and to the skin it instantly disorganises it, and proothers exhibited no phosphorescence at all. duces very painful wounds; and it instantly The most singular circumstance, however, was corrodes and disorganises glass, flints, &c. Its that the different strata of phosphoric light pre- odor resembles muriatic acid, and its action served their boundaries sharp and well defined, upon all inflammable substances is very feeble, and were far more minute and numerous than as it does not afford any oxygen to them. With

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