Northern fruits in Italy

131.Want of demand for the fruits of the northern climates precludes their production. Were it otherwise, there can be no doubt means would soon be resorted to, for producing them in as great perfection as we do the fruits of southern climates here; all that is necessary is to imitate our climate, by abstracting or excluding heat, and supplying moisture; but luxury in Italy has not yet arrived to the degree adequate to produce this effect.