@imashroomer, I have eaten blewits for several years and harvested purple gilled lacarius once thinking they were blewits. Luckily they are edible, not choice but I threw them out. The corts are your worst enemy. Courtesy of pedro here in Ohio, use these references and consult a skilled and experienced hunter until you have a few harvests uner your belt......
http://www.mushroomthejournal.com/startingout/dontdo.html
http://www.choosingvoluntarysimplicity.com/why-there-are-no-old-bold-mushroom-hunters/
http://www.mushroomexpert.com/identifying.html
http://www.mushroomexpert.com/yard.html
http://www.mushroomexpert.com/odortaste.html
http://mdc.mo.gov/nathis/mushrooms/mushroom/poisonous.htm
http://www.nemf.org/files/lincoff/beginners/poison.html
http://www.ces.ncsu.edu/depts/pp/notes/General_Principles/gpin004/gpin004.htm
http://www.mushroomexpert.com/glossary.html
And I will add...
http://www.mushroomexpert.com/clitocybe_nuda.html
Beware of....
http://www.mushroomexpert.com/cortinarius.html
One species closely resembles, grows in the same medium, and may be side by side with blewits.