BARLEY (Hordeum sativum)

This article appears in Volume V03, Page 406 of the Encyclopedia Britannica.

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BARLEY (Hordeum sativum) , a member of the grass family, and an important cereal which belongs peculiarly to temperate regions. It originated from a wild species, H. spontaneum, a native of western Asia and has been cultivated from the earliest times. Three subspecies or races are recognized. (i.) H. sativum, subsp. distichum (described by Linnaeus as a distinct species, H. distichon), two-rowed barley. Only the middle spikelet of each triplet is fertile; the ear has therefore only two longitudinal rows of grain, and the spikes are strongly compressed laterally. This approaches most nearly to the wild stock, from which it is distinguished by the non-jointed axis and somewhat shorter awns. This is the race most commonly grown in the British Isles and in central Europe, and includes a large number of sub-races and varieties among which are the finest malting-barleys. The

chief

CHIEF (from Fr. chef, head, Lat. caput)

sub-races are (a) peacock, fan or battledore barley, described by Linnaeus as a distinct species, H. zeocriton, with erect short ears about 21 in. long, broad at the base and narrow at the tip, suggesting an open .fan or peacock's tail; (b) erect-eared barleys (var. erectum) with erect broad ears and closely-packed plump grains; (c) nodding barleys (var. nutans). The ripe ears of the last hang so as to become almost parallel with the stem; they are narrower and longer than in (b), owing to the grains being placed farther apart on the rachis; it includes the Chevalier variety, one of the best for malting purposes. (ii.) H. sativum, subsp. hexastichum, six-rowed barley (the H. hexastichon of Linnaeus). All the

flowers

FLOWERS, ARTIFICIAL

of each triplet of spikelets on both sides of the rachis are fertile and produce ripe fruits; hence the ear produces six longitudinal rows of grain. The ears are short, erect, and the grain thin and coarse; the straw is also short. It is a

hardy

race, but owing to the poor quality of the grain is rarely met with in Great Britain. (iii.) H. sativum, subsp. vulgare, here, bigg or four-rowed barley (the H. vulgare of Linnaeus). All the

flowers

FLOWERS, ARTIFICIAL

of each triplet are fertile as in (ii.), but the rows are not arranged regularly at equal distances round the rachis. The central fruits of each triplet form two regular rows, but the lateral spikelets form not four straight single rows as in (ii.), but two regular double rows, the whole ear appearing irregularly four-rowed. This race seems to be of later origin than the others. The ears are erect, about 21 in. long, the grains thinner and longer than in the two-rowed race, and the awns stiff and firmly adhering to the flowering glume. The var. pallidum is the barley most frequently cultivated in northern Europe and northern Asia. This race was formerly used for malt and beer, but owing to its larger amount of gluten as compared with

starch

STARCH

it is less adapted for brewing than the two-rowed sorts. To this belong the varieties naked barley (H. coeleste and H. nudism) and Himalayan barley (H. trifurcatum and H. aegiceras). In both the fruits fall out freely from the glume, and in the latter the awns are three-pronged and shorter than the grain.
Barley is the most

hardy

of all cereal grains, its limit of cultivation extending farther north than any other; and, at the same time, it can be profitably cultivated in sub-tropical countries. The

opinion

OPINION (Lat. opinio, from opinari, to think)

of Pliny, that it is the most ancient aliment of mankind, appears to be well-founded, for no less than three varieties have been found in the lake dwellings of Switzer-land, in deposits belonging to the Stone Period. According to Professor Heer these varieties are the common two-rowed (H. distichum) , the large six-rowed (H. hexastichum, var. densum), and the small six-rowed (H. hexastichum, var. sanctum). The last variety is both the most ancient and the most commonly found, and is the sacred barley of antiquity, ears of which are frequently represented plaited in the hair of the goddess Ceres, besides being figured on ancient coins. The cultivation of barley in ancient Egypt is indicated in Exod. ix. 31. Till within

recent

RECENT

times barley formed an important source of food in northern countries, and barley cakes are still to some extent eaten. Owing, however, to its poverty in that form of nitrogenous compound called gluten, so abundant in wheat, barley-flour cannot be baked into vesiculated bread; still it is a highly-nutritious substance, the salts it contains having a high proportion of phosphoric acid. The following is the composition of barley-

meal

MEAL

according to Von Bibra, omitting the salts:
Water . 15 per cent.
Nitrogenous compounds . 12.981
Gum . 6.744
Sugar
3.200

Starch

STARCH

. 59.950
Fat . . 2.170
Barley is now chiefly cultivated for malting (see MALT) to prepare spirits and beer (see BREWING), but it is also largely employed in domestic cookery. For the latter purpose the hard, somewhat flinty grains are preferable, and they are prepared by grinding off the outer cuticle which forms " pot barley." When the attrition is carried further, so that the grain is reduced to small round pellets, it is termed " pearl barley." Patent barley is either pot or pearl barley reduced to flour. Under the name decoctum hordei, a preparation of barley is included in the
British Pharmacopoeia, which is of value as a demulcent and emollient drink in febrile and inflammatory disorders.
Cultivation.Apart from the growth-habits of the plant itself, the consideration that chiefly determines the routine of barley cultivation is the demand on the part of the maltster for uniformity of sample. Less care is required in its cultivation when it is intended for feeding live-stock. It is essential that the grains on the maltster's floor should germinate simultaneously, hence at the time of reaping, the whole crop must be as nearly as possible in the same stage of maturity. On rich soils the crop is liable to grow too rapidly and yield a coarse, uneven sample, consequently the best barley is grown on light, open and preferably calcareous soils, while if the condition of the soil is too high it is often reduced by growing wheat before the barley.
Barley (see AGRICULTURE, Crops and Cropping) is a rapidly-growing and shallow-rooted plant. The upper layer of the soil must therefore be free from weeds, finely pulverized and stocked with a readily-available supply of nutriment. In most rotations barley is grown after turnips, or some other " leaning " crop, with or without the interposition of a wheat crop. The roots are fed off by sheep during autumn and early winter, after which the ground is ploughed to a depth of 3 or 4 in. only in order not to put the layer of soil fertilized by the sheep beyond reach of the plant. The ground is then left unworked and open to the crumbling influence of frost till towards the end of winter, when it is stirred with the cultivator followed by the harrows, or in some cases ploughed with a shallow furrow. The seed, which should be plump, light in colour, with a thin skin covered by fine wrinkles, is sown in March and early April' at the rate of from 8 to 12 pecks to the acre and lightly harrowed in. As even distribution at a uniform depth is necessary, the

drill

DRILL

is preferred to the broadcast-seeder for barley sowing. In early districts seeding may take place as early as February, provided a fine tilth is obtainable, but it rarely extends beyond the end of April. If artificial manures are used, a usual dressing consists of 2 or 3 cwt. of superphosphate to the acre at the time of sowing, followed, if the ground is in poor condition, by r cwt. of nitrate of soda when the plant is showing. Nitrogen must, however, be applied with caution as it makes the barley rich in albumen, and highly albuminous barley keeps badly and easily loses its germinating capacity. Farm-yard manure should also be avoided. After-cultivation may comprise rolling, harrowing (to preserve the fineness of the tilth) and in some districts hoeing. Barley is cut, either with scythe or machine, when it is quite ripe with the ears bending over. The crop is often allowed to lie loose for a day or two, owing to the belief that sunshine and dews or even showers mellow it and improve its colour. It may even be stacked without tying into sheaves, though this course involves greater expenditure of labour in carrying and afterwards in threshing. There is a prejudice against the use of the binder in reaping barley, as it is impossible to secure uniformity of colour in the grain when the stalks are tightly tied in the sheaf, and the sun has not free access to those on the inside. In any case it must not be stacked while

damp

DAMP

, and if cut by machine is therefore sometimes tied in sheaves and set up in stooks as in the case of wheat. The above sketch indicates the general principles of barley-cultivation, but in practice they are often modified by local custom or farming exigencies.
Barley is liable to smut and the other fungus diseases which attack wheat (q.v.), and the insect pests which prey on the two plants are also similar. The larvae of the ribbon-footed corn-fly (Chlorops taeniopus) caused great injury to the barley crop in Great Britain in 1893, when the plant was weakened by extreme drought. A fair crop of barley yields about 36 bushels ,(56 lb to the bushel) per acre, but under the best conditions 40 and 50 bushels may be obtained. The yield of straw is from 15 to 20 cwt. per acre. Barley-straw is considered inferior both as fodder and litter.
BARLEY-BREAK, an old English country game frequently mentioned by the poets of the 17th and 18th centuries. It. was
Barley is occasionally sown in autumn to provide keep for sheep in the following

spring

SPRING (from " to spring," " to leap or jump up," " burst out," O. Eng., springau, a common Teut. word, cf. Ger. springer, possibly allied to Gr. QnrFpxecOac, to move rapidly)

.played by three pairs composed of one of each sex, who were stationed in three bases or plots, contiguous to each other. The couple occupying the middle base, called hell or prison, endeavoured to catch the other two, who, when chased, might break to avoid being caught. If one was overtaken, he and his companion were condemned to hell. From this game was taken the expression "the last couple in hell," often used in old plays.
BARLEY-CORN, a grain of barley, and thus a measure taken from the length of a grain of barley, three of which (sometimes four) were considered to make up an inch. The barley-corn has been personified as representing the malt liquor made from barley, as in Burns's song " John Barleycorn."

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