쌀새속 Melica LINN.

1. 첫째 포영은 8mm로서 5-7맥이 있고 외영은 뒷면 중앙에 털이 있으며 소수는 길이 9~15mm 이다  ······················142. 큰껍질새

1. 첫째 포영은 6mm 이하이고 소수는 길이 7mm 이하이다.

2. 첫째 포영은 1 백이 있다 ················································································································143. 쌀새

2. 첫째 포영은 5 맥이 있다.

3. 포영은 점첨두이고 꽃차례는 단순한 좁은 원추형이다 ··········································································144. 참쌀새

3. 포영은 둔두이고 끝이 다소 갈라졌다   ····························································································145. 왕쌀새