The external trade of the Russian empire (bullion and the external trade of Finland not included) since the year 1886 is shown in the following table: The exports rank in the following order :- cereals (wheat, barley, rye, oats, maize, buckwheat) and flour, 49.2%; timber and wooden wares, 7.2; petroleum, 5.8; eggs, 5.4; flax, 5; butter, 3; sugar, 2-4; cottons and oilcake, 2 each; oleaginous seeds, &c., 1.5; with hemp, spirits, poultry, game, bristles, hair, furs, leather, manganese ore, wool, caviare, live-stock, gutta-percha, vegetables and fruit, and tobacco.
Fruitandseeds(oleaginous) 7,175 6,207 8,464
In consequence of these more favourable conditions there is greater variety in the cropping; a good deal of wheat is grown, as well as beetroot for sugar, fibre plants and oleaginous plants, fruit, and even (W.
Many species are rich in gums and resins; the calambac, mastic, copal, cedar, &c. Many others are oleaginous, among them, peanuts, sun-flowers, the bene seed (sesame), corozo, almond and palmachristi.
The Rhine valley is in great part fertile, yielding good crops of potatoes, cereals (including maize), sugar beet, hops, tobacco, flax, hemp and products of oleaginous plants.
It has a very important market for cereals and oleaginous grains.
Besides these, certain oleaginous plants, the suf, nuc and selite (there are no European equivalents for the native names), and the ground-nut are largely grown.
Large numbers of oleaginous plants are cultivated, such as sunflower.
The crudest method of rendering oils from seeds, still practised in Central Africa, in Indo-China and on some of the South Sea Islands, consists in heaping up oleaginous fruits and allowing them to melt by the heat of the sun, when the exuding oil runs off and is collected.
In the case of oleaginous seeds of low value (cotton-seed, linseed) it is of importance to express in one operation the largest possible quantity of oil.
Their chief physical distinction from the fatty oils is that they are as a rule not oleaginous to the touch and leave no permanent grease spot.