[18] Chemist and Druggist, 1876, p. 155. Notes on Coca Leaf, by P. L. Simmonds, abstracted from “Mémoire sur le Coca de Pérou.” Par Manuel A. Fuentes (de Lima).
[19] “Systema Materia Medica Vegetabilis Braziliensis,” by C. F. P. de Martius. Leipsic: 1843.
[20] “Journal of a Voyage on the Amazon and Rio Negro,” Hooker’s Journal of Botany, Vol. v., 1853, p. 212.
[21] “Peru, Incidents of Travel and Exploration in the Land of the Incas.” London: 1877.
[22] “The Peruvians at Home,” by Geo. R. Fitzroy Cole. London: 1884.
[23] From the Therapeutic Gazette (Detroit), January, 1886, p. 14, and Pharm. Journ., 1886, p. 705.
[24] “I have given altitudes and measurements approximately in English feet. By the Spanish measurements the altitudes are much greater.”
[25] “It is desirable that there should be a more precise definition of the peculiarities here referred to.—Ed. Ph. J.”
[26] Pharm. Journ., 1860, p. 616, ex Oesterreichische Zeitschrift für Praktische Heiikunde, Nov. 4, 1859.
[27] “Travels in Peru and India.” London: 1862, p. 237.