Not sure what is going on, but I've been having some of my seedlings come up with no cotyledon leaves at all. None, zip! Just some little green thing would come up, with no leaves at all on them, and eventually very slowly, they would die. They weren't attacked by any insects, because they've been inside due to the incredibly FREEZING weather we've been having (I guess that's global warming for ya). Anyone else having this happen? There aren't any bugs in the soil either.