“ Of the seventy-six separate works with which he is credited in the Dictionary of National Biography, the most valuable are those that deal with botany. He is said to have been the author of the second part of The Oeconomy of Human Life (1751) , the first part of which is by Lord Chesterfield, and Hannah Glasse’s famous manual of cookery was generally ascribed to him (see Boswell, ed. Hill, iii. 285) . Dr Johnson said of him that he was “an ingenious man, but had no veracity.” ”