[55] 4,400,000 pounds of roses were produced in France in one year.
[56] In 1899 Philippopolis produced 1800-2000 kilogrammes of otto of roses, worth 700 to 800 francs the kilo. (Pharm. Journ. Sept. 1st, 1900).
[57] Watt, Economic Dictionary of the Products of India. This valuable work of reference should be consulted for interesting details as to all the plants cited in this chapter.
[58] Wrightson, Journal R. Agr. Soc., Second Series, vol. 10, part ii. p. 312; Jenkins, Ibid., vol. 11, part i. p. 192; De Lanne, Ibid., vol. 23, part i. p. 213. Carter, Tobacco in England.
[59] Dunning, Tobacco, 1876.
[60] Journal Society of Arts, March, 1896.
[61] Darwin, Naturalist's Voyage round the World in the Beagle, p. 387.
[62] Schimper, l.c., p. 674.
[63] Schimper, l.c., p. 653.
[64] Ridley, Pharmaceutical Journal, May 19th, 1900.