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Encyclopedia Britannica - Main :: EMS-EUD |
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ESPARTO, or SPANISH GRASS , Stipa tenacissima, a grass resembling the ornamental feather-grass of gardens. It is indigenous to the south
coast
hair , and grow in clusters of from 2 to 10 ft. in circumference; when young
great
Esparto leaves contain 56% by weight of fibre, or about 1o% more than straw, and hence have come into requisition asa substitute for linen rags in the manufacture of paper . For this purpose they were first utilized by the French, and in 1857 were introduced into Great
paper -making the leaves should be gathered before they are quite matured; if, however, they are obtained too young
appearance . The leaves are gathered by hand, and from 2 to 3 cwt. may be collected in a day by a single labourer. They are generally obtained during the dry summer months, as at other times their adherence to the stems is so firm as often to cause the uprooting of the plants in the attempt to remove them. Esparto may be raised from seed, but cannot be harvested for twelve or fifteen years after sowing.Another grass, Lygeum Spartum, with stiff rush-like leaves, growing in rocky soil on the high plains of countries bordering on the Mediterranean, especially of Spain and Algeria, is also a source of esparto. For the processes of the paper manufacturer esparto is used in the dry state, and without cutting; roots and flowers
bottle glass, the latter yielding on analysis 66.3% of silica and 25.1% of alkalies and alkaline earths, and the slag 64.6 and 27.45 % of the same respectively.End of Article: ESPARTO, or SPANISH GRASS If you wish, you can link directly to this article.
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