Lion's Mane or a Fungus Among Us (Hericium)

This was on a dead tree along the driveway at the top of Cloverlea Road,larger than the usual specimen described on the internet. White when young it begins to yellow with age. It is said to be edible in the white stage with a consistency and taste of seafood. As it yellows becomes less palatable. (usual precautions)

The spikes on the front are typical, and apparently little else that appears the same as long as it is up off the ground.  There are five or ten other common names so this is another case where the latin in helpful.

You cut it off at the tree base, wash out the sawdust and bugs with a salt solution and saute it in butter and herbs. It may have some medicinal uses still being studied. They are cultivated on dead wood for commercial purposes.