In article , Franz Heymann
writes

That was the most interesting post I have read for a very long time.
I shall print it.

The information was from

Usher G A: Dictionary of Plants used by man, Constable 1974.

ISBN 0 09 457920 2
--
Kay Easton

Edward's earthworm page:
http://www.scarboro.demon.co.uk/edward/index.htm