The history of the propagation & improvement of vegetables by the concurrence of art and nature: [electronic resource] : shewing the several ways for the propagation of plants usually cultivated in England, as they are increased by seed, off-sets, suckers, truncheons, cuttings, slips, laying, circumposition, the several ways of graftings and inoculations; as likewise the methods for improvement and best culture of field, orchard, and garden plants, the means used for remedy of annoyances incident to them; with the effect of nature, and her manner of working upon the several endeavors and operations of the artist. Written according to observations made from experience and practice: / by Robert Sharrock, Fellow of New Colledge.