Shrewsbury Mushrooms
Lawn Mower's Mushroom
Panaeolus foenisecii
6/17/10

The largest cap was about 1" in diameter.  The stem diameter was about 1/8" and about 3" long.

Stem and cap.  The cap was originally all brown, a little darker than the remaining brown ring on the cap.

Gills

The spore print was dark brown.

  The spores were the size (14.4 x 9.6 microns) and shape that corresponded to the size and shape for Panaeolus foenisecii spores.

More

I focused on the surface here to show the "warts".