Awn 
A very fine bristle which projects from some grass seeds, such as red fescue (Festuca rubra ssp), or very prominently such as on sweet vernal grass (Anthoxanthum oderatum).
Awn
A very fine bristle which projects from some grass seeds, such as red fescue (Festuca rubra ssp), or very prominently such as on sweet vernal grass (Anthoxanthum oderatum).