[1829] Reynier, Écon. des Égyptiens, p. 337; Dureau de la Malle, Ann. Sc. Nat., ix. p. 72; Schweinfurth and Ascherson, Aufzäh. Tr. spelta of Forskal is not admitted by any subsequent author.
[1830] Géogr. Bot. Rais., p. 933.
[1831] Exod. ix. 32; Isa. xxviii. 25; Ezek. iv. 9.
[1832] Rosenmüller, Bibl. Alterth., iv. p. 83; Second, Trans, of Old Test., 1874.
[1833] Ad. Pictet, Orig. Indo-Europ., edit. 2, vol. i. p. 348.
[1834] Ad. Pictet, ibid.; Nemnich., Lexicon.
[1835] Willkomm and Lange, Prodr. Fl. Hisp., i. p. 107.
[1836] Olivier, Voyage, 1807, vol. iii. p. 460.
[1837] Lamarck, Dict. Encycl., ii. p. 560.
[1838] H. Vilmorin, Bull. Soc. Bot. de France, 1881, p. 858.