It is not hallucinogenic.
Many of the rapidly bluing boletes are toxic.

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Breitenbush Mushroom Conference! October 26-29

http://breitenbush.com/html/events/oct26-29.html

A Breif and Subjective History of the Breitenbush Mushroom Conference.
http://www.mycoinfo.com/breitenbush-history.html

By the by, I also found some beautiful specimens of blindingly yellow amanita muscaria, growing under an oak tree. I was very proud of myself. Since I picked them early in the season, I assume that they're quite potent. I'd love to give them a whirl.

I wish you would post a picture. No one can honestly identify any mushroom by just describing it.

You need line drawings or photo images to identify it so no one would poison theirselves.

Mj

The cap was bulbous in the young specimen and hemispherical in the older specimen; the stem was big and round and bulbous, too. The cap was bright yellow in both specimens, with off-white wart-like dots. They really were quite beautiful, actually. I have them on dessicant right now. When it becomes possible to get a picture of them, I will do so, but they'll be dry by then. I wont consume them, of course, until I am absolutely sure about their identification. Until then, they're purely ornamental.

Thank you for warning me, mj. I hope for your input when I post a picture.

Amanita Phallodies (Death cap) forms a miccorizzal (mutally beneficial) relationship with the roots of oak trees. But I always thought it had a greenish/olive coloured cap and smelt like potato peelings. I'm stuck at work at the moment and havn't got me books with me. I think there is a yellow capped amanita, possibly and I'm really stretching here, Amanita Citrona (big Sp cock up). Cerridwen, why not pop down to the local library and see what guides they've got. Or camp out in the local bookshop and browse their stock.
Keep up the good work

check out the following site: http://members.aol.com/basidium/deathcap.html
look under the ecology part 2nd paragraph.
Cerridwen, if you have found a Death Cap, congratulations, there meant to be quite rare in most of N.America. But remember, it aint called the 'Death Cap' for nothing

It's either a genuine yello-orange fly agaric, or a "yellow patches", as my field guide calls it. The stem is white, however, and in the picture the book provides, the stem on the yellow patches is orange. What can I do to tell them apart?