On Thu, Mar 1, 2012 at 12:24 AM, Michael Mace <michaelcmace@gmail.com>wrote: > There is sometimes a bit of > dark marking at the center of some of the dead areas, but they do not look > conspicuously fuzzy or powdery. > Hello Mike, It definitely looks fungal, the closest thing I come up with from the pictures is boytritis infection. As dry as our weather has been though this doesn't seem likely. Hopefully someone can give you a more definitive answer. Randy Monterey Bay Region, California