[639] The conditions and methods of the culture of the sumach are the subject of an important paper by Inzenga, translated in the Bull. Soc. d’Acclim., Feb. 1877. In the Trans. Bot. Soc. of Edinburgh, ix. p. 341, may be seen an extract from an earlier paper by the author on the same subject.

[640] Ledebour, Fl. Ross., i. p. 509; Boissier, Fl. Orient., ii. p. 4.

[641] Nemnich, Polygl. Lexicon, ii. p. 1156; Ainslie, Mat. Med. Ind., i. p. 414.

[642] Fraas, Syn. Fl. Class., p. 85.

[643] Forskal, Flora Ægypto-Arabica, p. 65; Richard, Tentamen Fl. Abyss., i. p. 134, pl. 30; Botta, Archives du Muséum, ii. p. 73.

[644] Hochstetter, Flora, 1841, p. 663.

[645] Schweinfurth and Ascherson, Aufzählung, p. 263; Oliver, Fl. Trop. Afr., i. p. 364.

[646] Aug. de Saint-Hilaire, Mém. du Muséum, ix. p. 351; Ann. Sc. Nat., 3rd series, xiv. p. 52; Hooker, London Journal of Botany, i. p. 34; Martius, Flora Brasiliensis, vol. ii. part 1, p. 119.

[647] Martinet, Bull. Soc. d’Acclim., 1874, p. 449.

[648] Particularly in Gosse’s Monographie de l’Erythroxylon Coca, in 8vo, 1861.