Toadstool

Now that the weather is damp, there are toadstools popping up along the path where I like to walk.
There is new growth sprouting between the decaying leaves and acorns. What do you make of the cone shaped parasites on the oak leaf? I see a lot of them, but I'm afraid I don't have an answer or this one. Let me know if you do! Click on the pictures to enlarge them. It is really interesting to see the minute details when you do!