For consider a little what each of those five tribes has been to the

spirit of man. First, in their nobleness: the lilies gave the lily of

the Annunciation; the asphodels, the flower of the Elysian fields;

the irids, the fleur-de-lys of chivalry; and the amaryllids, Christ’s

lily of the field; while the rush, trodden always underfoot, became

the emblem of humility. Then take each of the tribes, and consider

the extent of their lower influence. Perdita’s, “The crown imperial,

lilies of all kinds,” are the first tribe; which giving the type of

perfect purity in the Madonna’s lily, have, by their lovely form,

influenced the entire decorative design of Italian sacred art; while

ornament of war was continually enriched by the curves of the triple

petals of the Florentine “giglio” and French fleur-de-lys; so that it

is impossible to count their influence for good in the Middle Ages,

partly as a symbol of womanly character and partly of the utmost

brightness and refinement of chivalry in the city which was the

flower of cities.

Afterward the group of the turban-lilies, or tulips, did some

mischief (their special stains having made them the favorite caprice

of florists); but they may be pardoned all such guilt for the

pleasure they have given in cottage-gardens, and are yet to give,

when lowly life may again be possible among us; and the crimson bars

of the tulips in their trim beds, with their likeness in crimson bars

of morning above them, and its dew glittering heavy, globed in their

glossy cups, may be loved better than the gray nettles of the ash

heap, under gray sky, unveined by vermilion or by gold.

The next great group of the asphodels divides itself also into two

principal families: one, in which the flowers are like stars, and

clustered characteristically in balls, though opening sometimes into

looser heads; and the other, in which the flowers are in long bells,

opening suddenly at the lips, and clustered in spires on a long stem,

or drooping from it when bent by their weight.

The star group of the squills, garlics, and onions has always

caused me great wonder. I can not understand why its beauty and

serviceableness should have been associated with the rank scent which

has been really among the most powerful means of degrading peasant

life, and separating it from that of the higher classes.

The belled group of the hyacinth and convallaria is as delicate as

the other is coarse; the unspeakable azure light along the ground of

the wood hyacinth in English spring; the grape hyacinth, which is in

south France, as if a cluster of grapes and a hive of honey had been

distilled and compressed together into one small boss of celled and

beaded blue; the lilies of the valley everywhere, in each sweet and

wild recess of rocky land--count the influences of these on childish

and innocent life; then measure the mythic power of the hyacinth and

asphodel as connected with Greek thoughts of immortality; finally

take their useful and nourishing power in ancient and modern peasant

life, and it will be strange if you do not feel what fixed relation

exists between the agency of the creating spirit in these and in us

who live by them.

It is impossible to bring into any tenable compass for our present

purpose even hints of the human influence of the amaryllids and

irids--only note this generally, that while these in northern

countries share with the Primulas the fields of spring, it seems that

in Greece the Primulaceæ are not an extended tribe, while the crocus,

narcissus, and Amaryllis lutea, the “lily of the field” (I suspect

also that the flower whose name we translate “violet” was in truth

an iris), represented to the Greek the first coming of the breath

of life on the renewed herbage; and became in his thoughts the true

embroidery of the saffron robe of Athena. Later in the year, the

dianthus (which, though belonging to an entirely different race of

plants, has yet a strange look of having been made out of the grasses

by turning the sheath-membrane at the root of their leaves into a

flower) seems to scatter, in multitudinous families, its crimson

stars far and wide. But the golden lily and crocus, together with the

asphodel, retain always the old Greek’s fondest thoughts--they are

only “golden” flowers that are to burn on the trees and float on the

streams of paradise.

I have but one tribe of plants more to note at our country feast--the

savory herbs; but must go a little out of my way to come at them

rightly. All flowers whose petals are fastened together, and most of

those whose petals are loose, are best thought of first as a kind of

cup or tube opening at the mouth. Sometimes the opening is gradual,

as in the convolvulus or campanula; oftener there is a distinct

change of direction between the tube and expanding lip, as in the

primrose; or even a contraction under the lip, making the tube into a

narrow-necked phial or vase, as in the heaths, but the general idea

of a tube expanding into a quatrefoil, cinquefoil, or sixfoil, will

embrace most of the forms.

Now it is easy to conceive that flowers of this kind, growing in

close clusters, may, in process of time, have extended their outside

petals rather than the interior ones (as the outer flowers of the

clusters of many umbellifers actually do), and thus elongated and

variously distorted forms have established themselves; then if the

stalk is attached to the side instead of the base of the tube, its

base becomes a spur, and thus all the grotesque forms of the mints,

violets, and larkspurs gradually might be composed. But, however this

may be, there is one great tribe of plants separate from the rest,

and of which the influence seems shed upon the rest in different

degrees: and these would give the impression not so much of having

been developed by change as of being stamped with a character of

their own, more or less serpentine or dragon-like. And I think

you will find it convenient to call these generally Draconidæ;

disregarding their present ugly botanical name, which I do not care

even to write once--you may take for their principal types the

foxglove, snap-dragon, and calceolaria; and you will find they all

agree in a tendency to decorate themselves by spots, and with bosses

or swollen places in their leaves, as if they had been touched by

poison. The spot of the foxglove is especially strange, because it

draws the color out of the tissue all round it, as if it had been

stung, and as if the central color was really an inflamed spot with

paleness round. Then also they carry to its extreme the decoration

by bulging or pouting the petal; often beautifully used by other

flowers in a minor degree, like the beating out of bosses in hollow

silver, as in the kalmia, beating out apparently in each petal by the

stamens instead of a hammer; or the borage, pouting inward; but the

snap-dragons and calceolarias carry it to its extreme.

Then the spirit of these Draconidæ seems to pass more or less into

other flowers, whose forms are properly pure vases; but it affects

some of them slightly, others not at all. It never strongly affects

the heaths; never once the roses; but it enters like an evil spirit

into the buttercup, and turns it into a larkspur, with a black,

spotted, grotesque centre, and a strange, broken blue, gorgeous and

intense; yet impure, glittering on the surface as if it were strewn

with broken glass, and stained or darkened irregularly into red. And

then at last the serpent-charm changes the ranunculus into monkshood,

and makes it poisonous. It enters into the forget-me-not, and the

star of heavenly turquoise is corrupted into the viper’s bugloss,

darkened with the same strange red as the larkspur, and fretted into

a fringe of thorn; it enters, together with a strange insect-spirit,

into the asphodels, and (though with a greater interval between the

groups), they change into spotted orchideæ; it touches the poppy,

it becomes a fumaria; the iris, and it pouts into a gladiolus; the

lily, and it checkers itself into a snake’s head, and secretes in the

deep of its bell drops not of venom indeed, but honey-dew, as if it

were a healing serpent. For there is an Æsculapian as well as an evil

serpentry among the Draconidæ, and the fairest of them, “erba della

Madonna” of Venice (Linaria Cymbalaria), descends from the ruins

it delights in to the herbage at their feet, and touches it; and

behold, instantly, a vast group of herbs for healing--all draconid

in form--spotted and crested, and from their lip-like corollas

named “labitæ”; full of various balm and warm strength for healing,

yet all of them without splendid honor or perfect beauty, “ground

ivies,” richest when crushed under the foot; the best sweetness and

gentle brightness of the robes of the field--thyme, and marjoram, and

euphrasy.

And observe, again and again, with respect to all these divisions

and powers of plants; it does not matter in the least by what

concurrences of circumstance or necessity they may gradually have

been developed: the concurrence of circumstance is itself the supreme

and inexplicable fact. We always come at last to a formative cause

which directs the circumstance and mode of meeting it. If you ask

an ordinary botanist the reason of the form of a leaf, he will tell

you it is a “developed tubercle,” and that its ultimate form “is

owing to the directions of its vascular threads.” But what directs

its vascular threads? “They are seeking for something they want,”

he will probably answer. What made them want that? What made them

seek for it thus? Seek for it, in five fibres or in three? Seek for

it, in serration, or in sweeping curves? Seek for it, in servile

tendrils, or impetuous spray? Seek for it, in woolen wrinkles rough

with stings, or in glossy surfaces, green with pure strength, and

winterless delight?

There is no answer. But the sum of all is, that over the entire

surface of the earth and its waters, as influenced by the power of

the air under solar light, there is developed a series of changing

forms, in clouds, plants, and animals, all of which have reference

in their action, or nature, to the human intelligence that perceives

them; and on which, in their aspects of horror and beauty, and their

qualities of good and evil, there is engraved a series of myths, or

words of the forming power, which, according to the true passion

and energy of the human race, they have been enabled to read into

religion.

PROGRESS OF CULTIVATION

--ALPHONSE DE CANDOLLE

In spite of the obscurity of the beginnings of cultivation in

each region, it is certain that they occurred at very different

periods. One of the most ancient examples of cultivated plants is

in a drawing representing figs, found in Egypt in the pyramid of

Gizeh. The epoch of the construction of this monument is uncertain.

Authors have assigned a date varying between fifteen hundred and

four thousand two hundred years before the Christian era. Supposing

it to be two thousand years, its actual age would be four thousand

years. Now, the construction of the pyramids could only have been

the work of a numerous, organized people, possessing a certain

degree of civilization, and consequently an established agriculture,

dating from some centuries back at least. In China, two thousand

seven hundred years before Christ, the Emperor Chenming instituted

the ceremony at which every year five species of useful plants are

sown--rice, sweet potato, wheat, and two kinds of millet. These

plants must have been cultivated for some time in certain localities

before they attracted the emperor’s attention to such a degree.

Agriculture appears then to be as ancient in China as in Egypt. The

constant relations between Egypt and Mesopotamia lead us to suppose

that an almost contemporaneous cultivation existed in the valleys of

the Euphrates and the Nile. And it may have been equally early in

India and in the Malay Archipelago. The history of the Dravidian and

Malay peoples does not reach far back, and is sufficiently obscure,

but there is no reason to believe that cultivation has not been known

among them for a very long time, particularly along the banks of the

rivers.

[Illustration: Common Cereals and Food Plants

1, Lentil; 2, Flax; 3, Barley; 4, Millet; 5, Rye]

The ancient Egyptians and the Phœnicians propagated many plants

in the region of the Mediterranean, and the Aryan nations, whose

migrations toward Europe began about 2500, or at least 2000 years B.

C., carried with them several species already cultivated in Western

Asia. We shall see, in studying the history of several species,

that some plants were probably cultivated in Europe and in the north

of Africa prior to the Aryan migration. This is shown by names in

languages more ancient than the Aryan tongues; for instance, Finn,

Basque, Berber, and the speech of the Guanchos of the Canary Isles.

However, the remains called kitchen-middens, of ancient Danish

dwellings, have hitherto furnished no proof of cultivation or any

indication of the possession of metal. The Scandinavians of that

period lived principally by fishing and hunting, and perhaps eked

out their subsistence by indigenous plants, such as the cabbage,

the nature of which does not admit any remnant of traces in the

dung-heaps and rubbish, and which, moreover, did not require

cultivation. The absence of metals does not in these northern

countries argue a greater antiquity than the age of Pericles, or

even the palmy days of the Roman Republic. Later, when bronze was

known in Sweden--a region far removed from the then civilized

countries--agriculture had at length been introduced. Among the

remains of that epoch was found a carving of a cart drawn by two oxen

and driven by a man.

The ancient inhabitants of Eastern Switzerland, at a time when they

possessed instruments of polished stone and no metals, cultivated

several plants, of which some were of Asiatic origin. Heer has shown

in his admirable work on the lake-dwellings that the inhabitants had

intercourse with the countries south of the Alps. They may also have

received plants cultivated by the Ibernians, who occupied Gaul before

the Kelts. At the period when the lake-dwellers of Switzerland and

Savoy possessed bronze, their agriculture was more varied. It seems

that the lake-dwellers of Italy, when in possession of this metal,

cultivated fewer species than those of Savoy, and this may be due

either to a greater antiquity, or to local circumstances. The remains

of the lake-dwellers of Laybach and of the Mondsee in Austria prove

likewise a completely primitive agriculture; no cereals have been

found at Laybach, and but a single grain of wheat at the Mondsee.

The backward condition of agriculture in this eastern part of Europe

is contrary to the hypothesis, based on a few words used by ancient

historians, that the Aryans sojourned first in the region of the

Danube, and that Thrace was civilized before Greece. In spite of this

example, agriculture seems in general to have been more ancient in

the temperate parts of Europe than we should be inclined to believe

from the Greeks, who were disposed, like certain modern writers, to

attribute the origin of all progress to their own nation.

In America, agriculture is perhaps not quite so ancient as in Asia

and Egypt, if we are to judge from the civilization of Mexico and

Peru, which does not date even from the first centuries of the

Christian era. However, the widespread cultivation of certain plants,

such as maize, tobacco, and the sweet potato, argues a considerable

antiquity, perhaps two thousand years or thereabout. History is at

fault in this matter, and we can only hope to be enlightened by the

discoveries of archæology and geology.

The greater number of ancient historians have confused the fact of

a cultivation of a species in a country with that of its previous

existence there in a wild state. It has been commonly asserted, even

in our own day, that a species cultivated in America or China is a

native of America or China. A no less common error is the belief

that a species comes originally from a given country because it has

come to us from thence, and not direct from the place in which it is

really indigenous. Thus the Greeks and Romans called the peach the

Persian apple, because they had seen it cultivated in Persia, where

it probably did not grow wild. It was a native of China. They called

the pomegranate, which had spread gradually from garden to garden

from Persia to Mauritania, the apple of Carthage (Malum Punicum).

Very ancient authors, such as Herodotus and Berosus, are yet more

liable to error, in spite of their desire to be accurate.

Agriculture came originally, at least so far as the principal species

are concerned, from three great regions, in which certain plants

grew, regions which had no communication with each other. These are:

China, the southwest of Asia (with Egypt), and intertropical America.

I do not mean to say that in Europe, in Africa, and elsewhere savage

tribes may not have cultivated a few species locally, at an early

epoch, as an addition to the resources of hunting and fishing; but

the greater civilizations based upon agriculture began in the three

regions I have indicated. It is worthy of note that in the Old World

agricultural communities established themselves along the banks of

the rivers, whereas in America they dwelt on the highlands of Mexico

and Peru. This may perhaps have been due to the original situation

of the plants suitable for cultivation, for the banks of the

Mississippi, of the Amazon, of the Orinoco, are not more unhealthy

than those of the rivers of the Old World. A few words about each of

the three regions. China had already possessed for some thousands

of years a flourishing agriculture and even horticulture, when she

entered for the first time into relations with Western Asia, by the

mission of Chang-Kien, during the reign of the Emperor Wu-ti, in

the second century before the Christian era. The records known as

Pent-sao, written in our Middle Ages, state that he brought back the

bean, the cucumber, the lucern, the saffron, the sesame, the walnut,

the pea, the spinach, the watermelon, and other western plants,

then unknown to the Chinese. Chang-Kien, it will be observed, was

no ordinary ambassador. He considerably enlarged the geographical

knowledge and improved the economic condition of his countrymen.

It is true that he was constrained to dwell ten years in the west,

and that he belonged to an already civilized people, one of whose

emperors had, 2700 B. C., consecrated with imposing ceremonies the

cultivation of certain plants. The Mongolians were too barbarous,

and came from too cold a country, to have been able to introduce

many useful species into China; but when we consider the origin

of the peach and the apricot, we shall see that these plants were

brought into China from Western Asia, probably by isolated travelers,

merchants or others, who passed north of the Himalayas. A few species

spread in the same way into China from the west before the embassy

of Chang-Kien.

Regular communication between China and India only began in the time

of Chang-Kien, and by the circuitous way of Bactriana; but gradual

transmissions from place to place may have been effected through

the Malay Peninsula and Cochin-China. The writers of northern China

may have been ignorant of them, and especially since the southern

provinces were only united to the empire in the second century before

Christ.

Regular communications between China and Japan only took place about

the year 57 of our era, when an ambassador was sent; and the Chinese

had no real knowledge of their eastern neighbors until the Third

Century, when the Chinese character was introduced into Japan.

The vast region which stretches from the Ganges to Armenia and the

Nile was not in ancient times so isolated as China. Its inhabitants

exchanged cultivated plants with great facility, and even transported

them to a distance. It is enough to remember that ancient migrations

and conquests continually intermixed the Turanian, Aryan, and Semitic

peoples between the great Caspian Sea, Mesopotamia and the Nile.

Great states were formed nearly at the same time on the banks of

the Euphrates and in Egypt, but they succeeded to tribes which had

already cultivated certain plants. Agriculture is older in that

region than Babylon and the first Egyptian dynasties, which date

from more than four thousand years ago. The Assyrian and Egyptian

empires afterward fought for supremacy, and in their struggles they

transported whole nations, which could not fail to spread cultivated

species. On the other hand, the Aryan tribes who dwelt originally to

the north of Mesopotamia, in a land less favorable to agriculture,

spread westward and southward, driving out or subjugating the

Turanian and Dravidian nations. Their speech, and those which are

derived from it in Europe and Hindostan, show that they knew and

transported several useful species. After these ancient events, of

which the dates are for the most part uncertain, the voyages of the

Phœnicians, the wars between the Greeks and Persians, Alexander’s

expedition into India, and finally the Roman rule, completed the

spread of cultivation in the interior of Western Asia, and even

introduced it into Europe and the north of Africa, wherever the

climate permitted.

Later, at the time of the Crusades, very few useful plants yet

remained to be brought from the East. A few varieties of fruit trees

which the Romans did not possess, and some ornamental plants, were,

however, then brought to Europe.

The discovery of America in 1492 was the last great event which

caused the diffusion of cultivated plants into all countries. The

American species, such as the potato, maize, the prickly pear,

tobacco, etc., were first imported into Europe and Asia. Then a

number of species from the Old World were introduced into America.

The voyage of Magellan (1520-1521) was the first direct communication

between South America and Asia. In the same century, the slave

trade multiplied communications between Africa and America. Lastly,

the discovery of the Pacific Islands in the Eighteenth Century, and

the growing facility of the means of communication, combined with a

general idea of improvement, produced that more general dispersion of

useful plants of which we are witnesses at the present day.

VEGETABLE MIMICRY AND HOMOMORPHISM

--ALEXANDER S. WILSON

Besides the family likeness and similarity of structure

characteristic of closely allied organisms, other resemblances

included under the terms Mimicry and Homomorphism, are observed among

living things which can not be referred to a common ancestry since

they are presented by plants and animals whose affinities are more

or less remote. If the resemblance confers any benefit on either

species it is spoken of as a case of mimicry, but if it results from

the operation of general laws and is not directly advantageous, the

likeness is described as homomorphic. It is not always possible to

draw a sharp line between the two, and homomorphism not improbably

represents one stage in the development of mimetic species.

The vital phenomena of plants and animals are so near akin that it

would be strange if we did not meet with corresponding facts in the

vegetable kingdom. Mimicry is perhaps more frequent in the seed than

in any other part of vegetable organism; it occurs, however, in

other organs, and even the entire plant body may assume a deceptive

appearance. A well-known example is the white dead-nettle, which so

closely resembles the stinging nettle in size and in the shape and

arrangement of its leaves. In systematic position the two plants are

widely removed from each other, but they grow in similar situations

and are easily mistaken; any one who has occasion to collect any

quantities of Lamium is almost sure to get his hands stung by

Urtica, an experience calculated to convince one of the efficacy of

protective resemblance. Among animals it is species provided with

formidable weapons of defence that are most frequently mimicked by

weak defenceless creatures. The stinging nettle is therefore a very

likely model for unprotected plants to copy.

The story of the universe. Volume 3 (of 4) · 第 15 / 29 段