[449] Gasparin, Cours d’Agric., iv. p. 424.

[450] Targioni-Tozzetti, Cenni Storici, p. 34.

[451] Fraas, Synopsis Fl. Class., p. 63; Heldreich, Die Nutzpflanzen Griechenlands, p. 70.

[452] Bauhin, Hist. Plant., ii. p. 381.

[453] Colmeiro, Catal.

[454] Tozzetti, Dizion. Bot.

[455] Ebn Baithar, Heil und Nahrungsmittel, translated from Arabic by Sontheimer, vol. ii. p. 257.

[456] Boissier, Fl. Orient., ii. p. 94.

[457] Royle, Ill. Himal., p. 197.

[458] Piddington, Index.