Mystery growth: Den. antennatum

If these actually turn out to be spikes, I might actually pee my pants.  Really.  Full story will be posted if they turn out right, but these are on the seedlings of Den. antennatum I have that I deflasked myself.  Cross your fingers everybody!

(ewww, look at the dust on top of my dryer....guess I should dust it a lil more often, or at least before I take pics.  Yikes!)