OAT (O. Eng. ate; the word is not found in cognate languages; it may be allied with Fr. eitel, knot, nodule, cf. Gr. oiSos swelling)

This article appears in Volume V19, Page 938 of the Encyclopedia Britannica.

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OAT (O. Eng. ate; the word is not found in cognate languages; it may be allied with Fr. eitel, knot, nodule, cf. Gr. oiSos swelling) , a cereal (Avena saliva) belonging to the tribe Avenece of the order Gramineae or

grasses

GRASSES

. The genus Avena contains about fifty species mostly dispersed through the temperate regions of the Old World. The spikelets form a loose panicle,
familiar in the cultivated oat (fig. I), the flowering glume having its dorsal rib prolonged into an awn (fig. 2), which is in some species twisted and bent near the base.
The origin of the cultivated oat is generally believed to be A. fatua, or " wild oat," or some similar species, of which several exist in southern Europe and western Asia. Professor J. Buckman succeeded in raising " the

potato

POTATO
POTATO (Solanum tuberosum)

-oat type " and " the white Tatarian oat " from grain of this species. A. strigosa, Schreb, " the bristle-pointed oat," is the origin of the Scotch oat, according to Buckman. The white and black varieties of this species were cultivated in England and Scotland from remote times, and are still grown as a crop in Orkney and

Shetland

SHETLAND, or ZETLAND

. A. strigosa is probably only a variety of the cultivated oat. The "naked oat," A. nuda, was found by Bunge in waste ground about Peking; it was identified by the botanist Lindley with the pilcorn of the old agriculture, and we see from Rogers 1 that it was in cultivation in England saliva. (After Le Maout.) in the 13th century. Both
this and the " common otes,"
A. vesca, are described by Gerard.2 Parkinson tells us that in his time (early in the 17th century) the naked oat was sown in sundry places, but " nothing so frequent " as the common sort. The

chief

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

differences between A. fatua and A. saliva, are, that in the former the chaff-scales which adhere to the grain are thick and hairy, and in the latter they are not so coarse and are hairless. The wild oat, moreover, has a long stiff awn, usually twisted near the base. In the cultivated oat it may be wanting, and if present it is not so stiff and is seldom bent. The grain is very small and worthless in the one, but larger and full in the other. There are now many varieties of the cultivated oat included under two principal racescommon
oat or panicled oats with a spreading panicle, A. saliva proper, and Tatarian oats or banner oats which has sometimes been regarded as a distinct species, A. orientalis, with contracted one-sided panicles. With regard to the antiquity of the oat, A. de Candolle 3 observes that it was not cultivated by the Hebrews, the Egyptians, the ancient Greeks and the Romans. Central Europe appears to be the locality where it was cultivated earliest, at least in Europe, for grains have been found among
Rarer Kinds of Grain, ii. 173.
2 Herball, p. 68 (1597).
2 Origin of Cultivated Plants, p. 373. FIG. 2.-Spikelet of Oat, A.the remains of the Swiss lake-dwellings perhaps not earlier than the bronze age, while Pliny alludes to bread made of it by the ancient Germans. Pickering also records Galen's observations (De Alim. Fac. i. 14), that it was abundant in Asia

Minor

, especially Mysia, where it was made into bread as Well as given to horses.
Besides the use of the straw when cut up and mixed with other food for

fodder

FODDER

, the oat grain constitutes an important food for both man and beast. The oat grain (excepting the naked oat), like that of barley, is closely invested by the husk. Oatmeal is made from the kiln-dried grain from which the husks have been removed; and the form of the food is the well-known " porridge." In Ireland, where it is sometimes mixed with Indian-corn

meal

MEAL

, it is called " stirabout." Groats or grits are the whole kernel from which the husk is removed. Their use is for gruel, which used to be consumed as an

ordinary

ORDINARY (med. Lat. ordinarius, Fr. ordinaire)

drink in the 17th century at the coffee-houses in London. The

meal

MEAL

can be baked into " cake " or biscuit, as the Passover cake of the Jews; but it cannot be made into loaves in consequence of the

great

GREAT

difficulty in rupturing the

starch

STARCH

grains, unless the temperature be raised to a considerable height. With regard to the nutritive value of oatmeal, as compared with that of wheat flour, it contains a higher percentage of albuminoids than any other grain, viz. 12.6that of wheat being io8and less of

starch

STARCH

, 58.4 as against 66.3 in wheat. It has rather more sugar, viz. 5.4wheat having 4.2and a good deal more fat, viz. 5.6, as against 2o in flour. Lastly, salts amount to 3'0% in oat, but are only 1.7 in wheat. Its nutritive value, therefore, is higher than that of

ordinary

ORDINARY (med. Lat. ordinarius, Fr. ordinaire)

seconds flour.

End of Article: OAT (O. Eng. ate; the word is not found in cognate languages; it may be allied with Fr. eitel, knot, nodule, cf. Gr. oiSos swelling)

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