In grasses (including cereals such as rice, barley, oats and wheat), the ripe seed is surrounded by thin, dry, scaly bracts (called glumes, lemmas and paleas), forming a dry husk (or hull) around the grain.he process of loosening the chaff from the grain so as to remove it is called threshing â traditionally done by milling or pounding. Separating remaining loose chaff from the grain is called winnowing â traditionally done by repeatedly tossing the grain up into a light wind which gradually blows the lighter chaff away.
Mannerism refers to the art of the Late Italian Renaissance when artists used clashing colors and many bizarre themes in their work. Mannerism refers to the art of the Late Italian Renaissance when artists used clashing colors and many bizarre themes in their work.
After Rococo there arose in the late 18th century, in architecture, and then in painting severe neo-classicism, best represented by such artists as David and his heir Ingres. Ingres' work already contains much of the sensuality, but none of the spontaneity, that was to characterize Romanticism.eo-expressionism was a style of modern painting that became popular in the late 1970s and dominated the art market until the mid-1980s. It developed in Europe as a reaction against the conceptual and minimalistic art of the 1960s and 1970s.