The message
from "Cumberpach" contains these words:

Yes, quite a lot of info, I didn't realise there was poison in the leaves.

Oxalic acid. Boil the leaves ant the resulting juice is very good for
killing greenfly, and for getting iron stains out of wood.

--
Rusty Hinge http://www.users.zetnet.co.uk/hi-fi/tqt.htm

Dark thoughts about the Wumpus concerto played with piano,
iron bar and two sledge hammers. (Wumpus, 15/11/03)