lirella

from The Collaborative International Dictionary of English v.0.48

Lirella \Li*rel"la\ (l[-i]*r[e^]l"l[.a]), n. [NL., dim. of L.
   lira a furrow.] (Bot.)
   A linear apothecium furrowed along the middle; the fruit of
   certain lichens.
   [1913 Webster]