52 



ISagittaria piibescens Mnhl. 



A single collection, swamp in river hills, Elmore county. 



POACEAE. 



hu] 



Common, dry open places. 



Agrostis Elliottiana Sehult 



Agrostis hyemalis (Walt.) B. S. P. 



Common, dry open places. 



lAgrostis intermedia Scribn. 

 A single collection, Auburn. 



Aira caryopliylla. L. 



Common, dry open places. 



Alopecur-us geniculatus L. 



Occasional, wet open places. 



Andropogon argyraeus Schultes. 



Common, dry woods and fields. 



* Andropogon coryml>OKUs (Chapm.) Nash. 



Occasional, wet swampy places. 



JAndropogon Elliottii Chapm. 



Occasional, dry woods. 



Andropogon fnrcatus Muhl, 



Infrequent, dry woods and roadsides. 



JAndropogon giomeratus (Walt.) B. S. P. 



Frequent, wet swampy places. A smaller form with narrow 

 panicles occurs in moist, upland woods. 



Androp(^gon scoparius Michx. 



Very common and variable. As here recognized it probably 

 includes more than one species. 



Androi)ogon Tracyi Nash. 



Frequent, sandy uplands fields or thin woods. 



Andropogon Virginieus L. 



Very common, especially in old fields. (Broom sedge). Variable. 



JAnthaenatia villosa Beauv. 



Occasional, moist sandy lands, south of Auburn. 



Aristida lanosa Muhl. 



Frequent, dry sandy lands, south of Auburn. 



Aristida purpurascens Poir. 



A single collection. Auburn. 



