3) Aveneae

1. 꽃은 모같으며 소2상의 결실 소화가 다.

2. 호영에없다.

3. 이가 1cm 이상이며 까락은 호영의 중앙보다 위에   ····························································귀리속

3. 수의 1cm 이하며 까락은 호영앙 이하에서 돋는다    ·························································176. 좀새풀

2. 호용골하다.

4. 수축에 긴 털있으며 소화에 까다   ····················································································잠자리피속

4. 수축에 고 소화에 까다   ·················································································177. 도랭이피

1. 꽃은 두 종류며 소수1 개의 결실화1~2 의 헛꽃이 있다.

5. 소수3개의 되어 .

6. 밑에 2 개의 퇴화 는 결실 소화보다 크다.

7. 퇴화 소화과 수다    ································································································산향모속

7. 퇴화 소화는 적위쪽 수술없고 완전한 성화··································································향기풀속

     6. 밑2 의 퇴화 소는 작은 인편결실 소밑에 달린다   ···························································갈풀속

5. 소수는 2개의 소화로 .

8. 쪽 소는 수꽃고 아래쪽 소성화이다 ·························································································

8. 쪽 소화는 화이아래쪽 소화는 수꽃이다   ·············································································178. 개나리새