Which aponogeton is it?

---------- Forwarded message ----------
To: Aquatic-Plants at actwin_com
From: saram at azstarnet_com (Sara Ann McHugh)
Subject: aponegeton somethingus

I picked up a few aponegetons today, but i dont know what kind they are.
the bulbs are a bit fatter, and the leaves are long and thin, like lawn
grass. any ideas?  they were 50 cents a piece, i could buy and ship them if
anyone wants some.