9) 밀족 Triticeae LINN.

1. 소수에 대가 있고 꽃차례는 총상 또는 원추상이다.

2. 꽃차례는 총상화서로 되어있다 ········································································································ 220. 숲개밀

2. 소수는 1 개의 꽃으로 되어있다 ·································································································· 221. 담상이삭풀

1. 소수에 대가 없다.

3. 소수는 꽃대축 마디에 2 개 이상 달린다.

4. 소수는 모두 결실한다.

5. 포영은 비늘같이 생긴다 ··············································································································· 개보리속

5. 포영은 비늘같이 퇴화한다.

6. 소수는 세장하고 띄엄띄엄 달린다 ···························································································222. 수염개밀

6. 소수는밀착한다 ····················································································································· 223. 보리

4. 소수는 1 마디에 3개씩 달리며 가운데 것이 결실한다··············································································· 223. 보리

3. 소수는 1 마디에 1 개씩 달리거나 꽃차례 중부에서 2 개씩 달린다.

7. 소수는 1 개의 꽃으로 되어있다     ······························································································· 222. 수염개밀

7. 소수는 3-10 소화로 되어있다.

8. 성숙한 소수는 넓은 난형이다 ·········································································································· 224. 밀

8. 소수는 성숙해도 타원형 또는 장타원형이다 ····························································································개밀속