[1149] Heer, Pfahlbauten, pp. 24, 26, fig. 7.
[1150] Sordelli, Notizie Stat. Lacustre di Lagozza.
[1151] Nemnich, Polyglott. Lex. Naturgesch.; Ad. Pictet, Origines Indo-Europ., i. p. 277; and my manuscript dictionary of common names.
[1152] From a list of plant-names sent by M. d’Abadie to Professor Clos, of Toulouse.
[1153] Godron, ubi supra, p. 28.
[1154] Jacquin, Flora Austriaca, ii. pp. 4, 107.
[1155] Decaisne, Jardin Fruitier du Muséum, Poiriers, pl. 21.
[1156] Decaisne, ibid., p. 18, and Introduction, p. 30. Several varieties of this species, of which a few bear a large fruit, are figured in the same work.
[1157] Boreau, Fl. du Centre de la France, edit. 3, vol. ii. p. 236.
[1158] Palladius, De re Rustica, lib. 3, c. 25. For this purpose “pira sylvestria vel asperi generis” were used.