beloved of Virgil, which has given its name to the town of Ulm; in the names of his colleagues, M. de la Boulaye, the birch ( bouleau ), M. d’Aunay, the alder ( aune ), M. de Buissière, the box ( buis ), M. Albaret, the sapwood ( aubier )” (I made a mental note that I must tell this to Céleste), “ M. de Cholet, the cabbage ( chou ), and the apple-tree ( pommier