Fertile lemma awn (overall shape)

   

straight                                            curved                                            flexuous

     

hooked (at tip)                              geniculate                                     bigeniculate                                3-branched

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith