fungus.
madgardener

--
Humankind has not woven the web of life.
We are but one thread within it.
Whatever we do to the web, we do to ourselves.
All things are bound together.
All things connect." Chief Seattle
"TOM KAN PA" wrote in message
...
Why do the lower leaves on my Zinnias turn brown, dry up, and fall off?
And then then ones above the leaves that have fallen off repeat the
process.