Steve - its hard to guess your " weed" - but kind of fun too - I' ll post a couple links - have a look and let us know what you think.

Foxtailhttp://www.agf.gov.bc.ca/cropprot/weedguid/foxtailb.htm

Queen anne' s lace http://www.fcps.k12.va.us/StratfordL...annes_lace.htm

orchard grass http://www.kiowacd.org/Products/Gras...chardgrass.htm

reed canary grass http://www.css.cornell.edu/forage/re...rasslide3.html

It could be something else - Let us know any other characteristics