[1641] Gmelin, Chemistry, xvi. (1864) 159.
[1642] As by Pereira, Elem. of Mat. Med. ii. (1850) 1463.
[1643] Gmelin, op. cit. xvi. 154.
[1644] For information about some of these, consult Guibourt, Histoire des Drogues, ii. (1869) 523.
[1645] Journ. de Chimie méd. x. (1834) 1-22. pl. 1. 2. (with unsatisfactory figures).
[1646] The name is ill-chosen and misleading, but having been adopted in standard works, it might occasion greater confusion to attempt to supersede it, and its several derivatives.
[1647] It is at least a fact, that of numerous samples of jalapin that we have examined (1871), every one is completely soluble in ether.
[1648] Hanbury, On a species of Ipomœa, affording Tampico Jalap, Journ. of Linn. Soc., Bot. xi. (1871) 279, tab. 2; Pharm. Journ. xi. (1870) 848; American Journ. of Pharm., xviii. (1870) 330; Science Papers, 1876. 349.
[1649] Pharm. Journ. ix. (1868) 282.
[1650] Ibid. ix. (1868) 330.