This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Cenanthe Crocata, Water Dropwort, is allied to our American five-leaved water hemlock (a species of CEnanthe). The true water hemlock is cicuta virosa (q. v.).