. Cyclopedia of farm crops. Farm produce; Agriculture. 554 ROOT CROPS RUBBER wall to the ceiling is a double-boarded partition, and a door leads from the main cellar into this smaller room. This is for keeping celery banked in sand. The room has two small ventilators in the roof. In the main room are bins and shelves for different vegetables. The cellar is thirty-nine feet six inches long, and twenty-six feet six inches wide. The interior height is seven feet six inches. The cellar is cool and dry, capable of being kept at a uniform temperature, and will accommodate four thousand bushels. RUBB
. Cyclopedia of farm crops. Farm produce; Agriculture. 554 ROOT CROPS RUBBER wall to the ceiling is a double-boarded partition, and a door leads from the main cellar into this smaller room. This is for keeping celery banked in sand. The room has two small ventilators in the roof. In the main room are bins and shelves for different vegetables. The cellar is thirty-nine feet six inches long, and twenty-six feet six inches wide. The interior height is seven feet six inches. The cellar is cool and dry, capable of being kept at a uniform temperature, and will accommodate four thousand bushels. RUBBER, OR CAOUTCHOUC. Figs. 790-798. By H. N. Ridley and J. H. Hart. Rubber, or caoutchouc, is obtained from the milky juice or latex of a considerable number of trees and shrubs, erect or climbing, which inhabit almost exclusively tropical parts, though some are found in sub-tropical regions. These plants belong. Fig. 790. A plantation ol Hevea Brasiliensis and Caslilloa elaetica. Seven years old. to the families Urticacece, Euphorhiacem and Apocy- nacem. For practical agriculture, however, there are only four of these plants which can be utilized in cultivation, viz., Hevca Brasiliensis and Maniltot Glaziovii of the Eupliorhiaccm, and Castilloa elastiea and Fims elastiea of the Urticacece. The big woody climbers, Lanrfo/pA/a and Willughheia, of the forests of Africa and Malaya, do not respond to cultural treatment. Hancornia and various species of Ficus not mentioned above have given such poor results under cultivation that they are not worth the at- tention of the agriculturist, though the rubber has value when it can be collected in .sufficient quantity. Mimusops globosa, a tree which produces " Balata rubber " (or gutta-percha), is indigenous to South America and the British island of Trinidad, and might be cultivated to any extent. It is a slow- growing tree, but to those who can afford to wait it would doubtless be a most profitable investment. In the four species
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