[949] Zizyphus chinensis of some authors is the same species.
[950] Brandis, Forest Flora of British India, p. 84.
[951] Lenz, Botanik der Alten, p. 651.
[952] Heldreich, Nutzpflanzen Griechenlands, p. 57.
[953] Munby, Catal., edit. 2, p. 9.
[954] Odyssey, bk. l, v. 84; Herodotos, l. 4, p. 177, trans. in Lenz, Bot. der Alt., p. 653.
[955] Theophrastus, Hist., l. 4, c. 4, edit. 1644. The edition of 1613 does not contain the words which refer to this detail.
[956] Schweinfurth and Ascherson, Beitr. zur Fl. Æthiop., p. 263.
[957] See the article on the carob tree.
[958] Desfontaines, Fl. Atlant., i. p. 200; Munby, Catal. Alger., edit. 2, p. 9; Ball, Spicilegium, Fl. Maroc., p. 301; Willkomm and Lange, Prodr. Fl. Hisp., iii. p. 481; Bertoloni, Fl. Ital., ii. p. 664.