His great work Evvaywyai tar pucai, of which only about one-third has been preserved, was a medical encyclopaedia founded on extracts from Hippocrates, Galen, Dioscorides (fl.
In regard to the ancients' knowledge of lead compounds, we may state that the substance described by Dioscorides as, uoXv,3Saiva was undoubtedly litharge, that Pliny uses the word minium in its present sense of red lead, ana that white lead was well known to Geber in the 8th century.
Colchicum was known to the Greeks under the name of KoXXucov, from KoXXIs, or Colchis, a country in which the plant grew; and it is described by Dioscorides as a poison.
Ointment the beneficent properties of which were known to Dioscorides in the beginning of the present era.
Herodotus describes the oil pits near Ardericca (near Babylon), and the pitch spring of Zacynthus (Zante), whilst Strabo, Dioscorides and Pliny mention the use of the oil of Agrigentum, in Sicily, for illumination, and Plutarch refers to the petroleum found near Ecbatana (Kerkuk).
Pliny mentions it under the name of minium, but it was confused with cinnabar and the red arsenic sulphide; Dioscorides mentions its preparation from white lead or lead carbonate.
The name Ambrosia was also applied by Dioscorides and Pliny to certain herbs, and has been retained in modern botany for a genus of plants from which it has been extended to the group of dicotyledons called Ambrosiaceae, including Ambrosia, Xanthium and Iva, all annual herbaceous plants represented in America.
Oak-galls are mentioned by Theophrastus, Dioscorides (i.
The greater part is taken from Hippocrates, Galen, Dioscorides and later Greek writers.
By comparing this with the account of aTlnrTflpia given by Dioscorides in the 123rd chapter of his 5th book, it is obvious that the two are identical.