[84] Pereira, Mat. Med. ii. part ii. p. 118.

[85] Weddell, Histoire Naturelle des Quinquinas.

[86] Weddell, Voyage dans le Nord de Bolivie.

[87] Mém. de l' Acad. Roy. des Sciences, 1738, p. 226.

[88] Noticias Secretas, p. 572.

[89] MS. quoted by Howard.

[90] Poeppig.

[91] Karsten.

[92] I. p. 245. Probably the idea was first conceived much earlier by Dr. Ainslie, who, half a century ago, remarked that it was matter of regret that "it had never been attempted to rear those articles of the Materia Medica in India, for which the world is now solely indebted to America."—Ainslie's Materia Medica, p. 66 (note).

[93] Cours d'Hist. Nat. Pharm. ii. p. 252.