Yeast. See Baking and Brewing.

Barmen, a town of Rhinish Prussia, in the government of Dusseldorf, and circle of Elberfeld. It is a long straggling town, stretching along the northern valley of the Wupper, and is formed of the town of Gemarke and several villages. Its manufactures are very extensive, and similar to those of the contiguous town of Elberfeld; which see. Pop. in 1849, 35,984.