PLANTS OF ILLINOIS. 



51 



fluitans, R. Br 



Margins of ponds. 



Common. 



POA 



annua, L. 



Roadsides and waste places. Frequent. 



compressa, L. 



Roadsides, woods, &c, in dry soil. Frequent. 



serotina, Ehrhart. 



Low grounds. Frequent. 



pratensis, L. 



Common everywhere. 



sylvestris, Gray. 



Woods and meadows. Infrequent. 



alsodes, Gray. 



Woody hillsides. Hancock county, Mead. 



ERAGROSTIS 



reptans, Nees. 



Margins of streams and ponds, close to the water. 



powoicles , Beanv. 



Sandy roadsides, river banks, &c. 



var. rviegastachya, Gray. 



With the last and more common. 



pilosa, Beauv. 



Sandy waste places, river banks, &c. Common. 



Frankii, Meyer. 



River banks, throughout. Frequent. 



tenuis, Gray. C. & S. 



Sandy barrens, from Henderson co. to Menard : 

 Wabash, Schneck. Scarce. 



capillaris, Nees. 



Sandy barrens. Frequent. 



pectinacea, Gray. 



And var. spectabilis, Gray. Common in sandy 

 barrens. 



FESTUCA 



tenella, Willd. 



Common in dry grounds. 



elatior, L. 



Meadows. Scarce. 



nutans, Willd. 



Open woods and prairies. Common. 



RROMUS 



seoalinus, L. 



Fields. Common. 



racemosus , L. 



Fields. Scarce. 



Kalmii, Gray. C. & N. 



Prairies, from Fulton county northward. 



ciliatus, L. 



Woody hillsides. Common. 



UNIOLA 



latifolia, Michx. S. 



Rich woods on hillsides. Marion county, Bebb : 

 and southward. 



PHRAGMITES 



communis, Trin. 



River bottoms and swamps. Common. 



ARUNDLNARIA 



macrosperma, Michx. S. 



Jackson and Union counties, French. 



tecta, Muhl. S. 



River banks. Wabash county, Schneck ; Union. 

 Wolf ; and southward. 



LEPTURUS 



paniculatus, Nutt. VV. 



Open grounds and salt licks in Hancock county. 

 Mead. 



TRITICUM 



repens, L. 



Reported only from the northern counties, where 

 it is common. 



caninum, L. N. 



McHenry county, Vasey. 

 HORDEUM 



jubaturn, L. 



Sandy prairies. Infrequent. 



pratense, Huds. C. & S. 



Prairies. From Peoria and Henderson counties 

 southward. 



ELYMUS 



Virginicus, L. 



River banks. Common. 



Canadensis, L. 



And var. glaucifolius, Gray. Common. 



striatus, Willd. 



Borders of woods. Infrequent. 



GYMNOSTICHUM 



Hystrix, Schreb. 



Rich woods. Frequent. 



