Note 2905 — BOOK XVII. THE NATURAL HISTORY OF THE CULTIVATED TREES.

This method is sometimes adopted in England with buckwheat, trefoil, peas, and other leguminous plants; and in the south of France lupines are still extensively used in the same manner, after the usage of the ancient Romans here described. The French also employ, but more rarely, for the same purpose, the large turnip, vetches, peas, trefoil, Windsor beans, sanfoin, lucerne, &c.; but it is found a very expensive practice.