of troy wrote:
...and have many of the spice (whole) to grind fresh when needed. (nutmeg, mace, allspice, cinnamin,...

Likely you know this, but I was surprised to find out some time ago that nutmeg is an hallucinogen if taken in high enough dosage.

http://www.drugtext.org/library/books/recreationaldrugs/nutmeg.htm

Of course, many plants can be toxic if too much is ingested. One of my favorite Herbal references is "The Herb Book" by John Lust. An oldie, but goodie.