Grass Spider, a Funnel Weaver (Agelenopsis) - The inset shows a Brown Recluse for comparison.

This website has a map showing the distribution of the Recluse around the U.S.
http://dermatology.cdlib.org/DOJvol5num2/special/recluse.html


Monmouth College has a "Quick and Dirty Guide to Identifying a Brown Recluse" (don't forget to add "http://" before it):
:
department.monm.edu/biology/recluse-project/photo-gallery.htm>