Tree acquired at Southern Oregon Branch Experiment Station in 1952. -- H. Hartman 1957.Pierre Cornielle was obtained by M. Sannier, Rouen, France, from a seedling of Beurre Diel crossed with Doyenne du Comice; introduced about 1894. The fruit has the appearance of Duchesse d'Angouleme. Tree vigorous, fertile and pyramidal in form. Fruit large globular-obovate, greenish-yellow; flesh fine, melting, juicy, sugary, deliciously perfuned; December and January. -- U.P. Hedrick, The Pears of New York, 1921.