APPENDIX. 
185 
Hemlock. Conium maculatum and Cicuta virosa. 
Both the common hemlock and the water hemlock were 
probably known to the ancients, and both are poisonous. 
We are ignorant which kind was given to Socrates. The 
Greek and Arabian physicians were in the habit of using the 
hemlock juice externally for swellings and pains in the joints. 
Baron Stoerck, among the moderns, has recommended it for 
cancers, &c. 
Horseradish. Cochlearia armoracia. 
Horseradish is a most excellent and wholesome condiment. 
It is a strong stimulant, and has sometimes been used in place 
of mustard, in poultices. A sirup of this root is an excellent 
remedy for hoarseness and sore throat. Dr. Withering says, 
that an infusion of horseradish in milk is one of the safest 
and best cosmetics. 
Jerusalem Artichoke. Helianthus tuberosus. 
The word Jerusalem is, in this case, a curious corruption 
of the Italian girasole, turning to the sun. It is a kind 
