[1] The admirable work of this author—Geschichte des Levantehandels im Mittelalter, 2 vols., Stuttgart, 1879—appeared when the second edition of our Pharmacographia was already in the press.
[2] Berg, Anatomischer Atlas zur pharmazeutischen Waarenkunde, Berlin, 1865. 4to., with 50 plates.
Flückiger, Grundlagen der pharmaceutischen Waarenkunde, Einleitung in das Studium der Pharmacognosie, Berlin, 1873.
Planchon, Traité pratique de la détermination des drogues simples d’origine végétale, Paris, 1874.
Luerssen, Medicinisch-Pharmaceutische Botanik, Leipzig (in progress).
[3] For further information, see Flückiger, Pharmaceutische Chemie, Berlin, 1879.
[4] Flora Orientalis, i. (1867) 61.
[5] See the list of theses and memoirs on Hellebore given by Mérat and De Lens, Dict. iii. (1831) 472, 473.
[6] Zeitschr. d. Gesellsch. d. Aerzte zu Wien. 1860, No. 25; Canstatt’s Jahresbericht for 1859. i. 47. 1860. i. 55.
[7] Between purpurascens and niger, Schroff places L. ponticus A. Br., a plant which Boissier holds to be simply H. orientalis Lam.