On Thu, 13 Nov 2003 17:02:49 +0000 (UTC), JKS wrote:

A few years ago I found, on one or two occasions, a clear jelly like
substance on my lawn, sometimes draped over taller grass stalks. After a
few days it would turn brown, presumably from fungal growth.
Any ideas what it was?

I agree with Nick, without a photo or more details, it does sound like a
slime mould.
Be very afraid.

Seriously, they're harmless and very interesting things especially under a
microscope.
--
Tim.

If the human brain were simple enough that we could understand it, we would
be so simple that we couldn't.