Quiz #1,
1. Agropyron spicatum. The diagnostic trait of the internodes of this species? Longer than the glumes.
2. Agropyron cristatum. The diagnostic trait of the internodes of this
species? Very short (1-
3. Avena fatua. The awns arise from precisely where? The back of the lemma.
4. Schedonorus pratensis. The diagnostic trait of the auricles of this genus? Ear-like flaps.
5. Phleum pratense. The awns arise from precisely where? The tip of the glumes.
6. Alopecurus arundinaceus. The awns arise from precisely where? The back of the lemma.
7. Glyceria grandis. The diagnostic trait of the lemma in this genus? Prominently veined or ribbed.
8. Poa pratensis. The diagnostic trait of the lemma of this species? The lemma base has lots of cobwebby hairs.
9. Phalaris arundinacea. The diagnostic aspect of the florets of this species? Two hairy scales below the fertile floret.
10. Festuca idahoensis. The diagnostic trait of the ligule of this genus? Bilobed or stairstepped.
11. Agropyron intermedium. The diagnostic trait of the glumes of this species? Asymmetric or notched at tip.
12. Agropyron repens. The diagnostic trait of the auricles of the group of grasses? Wrapped around stem, finger-like projections.
13. Agropyron intermedium. The diagnostic trait of the leaf sheath of this species? Lined with pectinate hairs.
14. Poa pratensis. A diagnostic trait of the leaf blades of this genus? Folded along midrib, prow-tipped, etc.
15. Bromus inermis. The diagnostic trait of the leaf sheath of this genus? Fused or closed.