Grammece. 
113 
Sporobolus, R. Br. 
681. S. asper, Kunth. 
Common in dry, sandy or gravelly soil. 
682. S. heterolepis , Gray. 
Growing along railroads. Rather rare. 
683. &. cryptandrus , Gray. 
Growing on high sandy ridge between Lakes 
Wingra and Monona. Not observed elsewhere. 
Agrostis, L. Bent-grass. 
684. A. alba, L. Fiorin or white bent-grass. 
Not rare. In all grass and pasture land. 
685. A. alba, L., var. vulgaris, Thurb. Red top. 
Herd’s-grass (of Penn.) 
A .very common and considerable element in all 
the pasture lands of the region. 
686. A. scabrci , Willd. Hair-grass. 
Met with occasionally on dry soil. Not common. 
687. C. arundincicea , L. 
In shady places at margins of ponds. Local. 
Calamagrostis, Adans. Reed bent-grass. 
688. C. Canadensis, Beauv. Blue-joint grass. 
Forming a very valuable and considerable element 
in the “wild hay“ made throughout the region. 
Very common. 
Arrhenatherum, Beauv. Oat-grass. 
689. A. avenaceum, Beauv. 
Persisting in places about Madison after cultiva¬ 
tion. Not common. 
Bouteloua, Lagasca. Muskit-grass. 
690. B. racemosa , Lag. 
On dry hills and rocky points. Rather local. 
Phragmites, Trin. Reed. 
691. P. communis , Trin.. 
In all marshes about the lakes forming dense 
patches. Local. 
Kceleria, Pers. 
692. K. cristata , Pers. 
Not uncommon in dry ground along railroads 
