2) 김의털족 Festuceae

1. 포영은 호영보다 매우 짧고 호영은 녹색이다.

2. 호영은 중맥이 접혀서 용골이 뚜렷하다.

3. 소수는 가지 끝에 모여달라고 호영 끝이 까락같이 생겼다  ·····································································146. 오리새

3. 소수는 1 개씩 달리고 호영 끝이 둔하다 ······························································································포아풀속

2. 호영에 용골이 없다

4. 소수는 대가 없고 꽃차례는 수상이며 측소수의 포영은 1 개이다  ·····························································147. 호밀풀

4. 소수는 대가 있고 꽃차례는 총상 또는 원추상이며 포영은 2 개씩이다 ··························································· 김의털속

1. 포영은 맨 밑의 소회와 깊이가 비슷하고 녹색이 아니다   ··········································································148. 방울새풀