Are these Xenias?
<a href="http://community.webshots.com/photo/30104637/32027915nRZWJGRPpb" target="_blank">http://community.webshots.com/photo/30104637/32027915nRZWJGRPpb</a>
honestly its hard to tell from the pic....possibly a type of xenia or maybe polyps.......looks like maybe clove polyps. Not sure if they are xenia.....possible though