198 PANICUM. 



6. P. Proliferum (Prolific Panic grass). Grows on 

 brackish marshes, river banks and shores. 



Cattle are fond of this grass. Flower in August. 



7. P. Capillare (Hair Stalked Panic grass, Old 

 Witch grass). Sandy soils and cultivated fields, 

 everywhere. Flowers in August. 



8. P. Autumnale (Autumn Panic). Sand hills, Ma- 

 son county, Illinois, and southward. 



9. P. Virgatum (Tall Smooth Panic grass). Moist 

 sandy soil ; common especially southward. 



10. P. Amarum (Bitter Panic). Sandy shores of 

 Connecticut, and southward. Flowers in August and 

 September. 



11. P. Latifolium (Broad-leaved Panic grass). 

 Moist thickets ; common. Flowers in June and 

 August. 



12. P. Clandlistinum (The Hidden-flowered Panic 

 grass). Low thickets and river banks; common. 

 Flowers from June to September. 



13. P. Microcarpan. Dry, moist thickets, Penn- 

 sylvania and Michigan to Illinois, and southward. 

 Flowers in July and September. 



14. P. Xanthophysum (Yellow Panic grass). 

 Plant yellowish green. Sandy soil. Maine to Wis- 

 consin, and northward. Rare, Flowers in June. 



15. P. Viscidum (Sticky Panic grass). Densely 

 velvety, downy all over, including the sheath. Damp 



