[1399] Boissier, ibid.; Steven, ibid.

[1400] Unger, Die Pflanz. der Alten. Ægypt, p. 45.

[1401] De Candolle, Physiol. Végét., p. 696; Pleyte, quoted by Braun and Ascherson, Sitzber. Naturfor. Ges., May 15, 1877.

[1402] Hehn, Kulturpflanzen, edit. 3, p. 88, line 9.

[1403] Theophrastus, Hist. Plant., lib. iv. c. 3.

[1404] Kralik, Bull. Soc. Bot. Fr., iv. p. 108.

[1405] Beitrage zur Fl. Æthiopiens, p. 281.

[1406] Balansa, Bull. Soc. Bot. de Fr., iv. p. 107.

[1407] Moris, Fl. Sard., iii. p. 9; Bertoloni, Fl. Ital., i. p. 46.

[1408] Pliny, Hist., lib. xv. cap. 1.