They use much pottage made of coal-wort, which they call kail, sometimes broth of decorticated barley.
This removal of the shell makes a great difference in the oilcake, as the decorticated cake is more nutritious than the undecorticated.
The seeds and nuts are then decorticated (where required), the shells removed, and the kernels ("meats") converted into a pulpy mass or meal (in older establishments by crushing and grinding between stones in edge-runners) on passing through a hopper over rollers consisting of five chilled iron or steel cylinders mounted vertically like the bowls of a calendar.
Thus the roots of Sigillaria are called Stigmaria, detached leaves Sigillariophyllum, and the fructifications Sigillariostrobus; the name Sigillaria applies to the stem, which, however, when old and partly decorticated has been called Syringodendron, while its woody cylinder has often been described under the name Diploxylon.
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