THE QUAKER COMMONWEALTH                303
province, member of the council, judge of common pleas, chief justice, mayor of Philadelphia, and, in 1736-38, acting governor of Pennsylvania. Like his friend Penn, he knew how to win and keep the confidence of the red men, and it was in honour of him that the chieftain Tagahjute received the name of Logan, long to be remembered for the tale of woe which cast such unjust aspersions upon the fame of Captain Michael Cresap.1 The singular variety of his genius is shown by the fact that his friend Linnaeus, in compliment to his botanical attainments, named after him a natural order of herbs and shrubs, the Loganiaceae, containing some 30 genera in 350 species, of which strychnos nux vomica is one of the best known. He published Latin essays on reproduction in plants, and on the aberration of light; translated Cato's "Disticha" and Cicero's "De Senectute; " and bequeathed to the city his library of 2000 volumes, comprising all the Latin classics, and more than a hundred folios in Greek, with the original edition of Ptolemy's " Almagest" and Ti-mon's commentary, " from my learned friend Fabricius, who published fourteen volumes of his 'Bibliotheca Graeca' in quarto, in which, after he had finished his account of Ptolemy, on my inquiring from him at Hamburg how I should find it, having long sought for it in vain in England, he sent it to me out of his own library, telling me it was so scarce that neither price nor prayers could purchase it."
A very different figure was that of the stout Welshman, David Lloyd, whom Penn sent over in 1686 to be attorney-general of the province. At various times Lloyd Davi(i was member of the assembly and of the council, Lloyd judge of admiralty, and chief justice of the commonwealth. Without any pretence to such profound and varied attainments as Logan's, he was a learned jurist and had an extensive knowledge of Welsh history and philology. In politics Lloyd represented the popular party, while Logan stood for the proprietary interests and prerogatives of the Penns, and the strife between them was often intense and bitter. The 1 See my American Revolution, Illustrated Edition, ii. 102.