PLANTS OF ILLINOIS. 



49 



lupuliformis, Sartwell. 



With the last. Peoria county, Brendel : Winnc- J 

 bago, Bebb ; Chicago, Babcock. 



squanosa, L. C. &. S. 



Low grounds, from Henderson and Peoria coun- 

 ties southward. Common. 



stenolepis, Torr. C. & S. 



Wet places, from Menard county southward. 



retrorsa, Schw. 



McHenry and Winnebago counties, Vasey, Bebb ; 

 also in Wabash, Schneck. Probably rare, except 

 at the north. 



gigantea, Rudge. S. 



Wabash county, Schneck. 



utriculata, Boott. 



Swamps. Frequent. 



monile, Tuckerman. 



Swamps. Infrequent. 



Tuckermani, Boott. N. 



Wet places, from Hancock county northward. 



bullata, Schk. 



Hancock county, Mead. 



longirostris, Torr. N. 



Rich woods, from Hancock county (Mead) north- 

 ward. Scarce. 



GR AMINES. 



LEERSIA 



Virginica, Willd, 



Damp woods. Common. 



oryzoides, Swartz. 



Margins of streams and ponds. Common. 



lenticularis, Michx. C. & S. 



River banks, from Peoria and Henderson coun- 

 ties southward. 



ZIZANIA 



aquatica, L. 



Margins of ponds and sloughs. Common. 

 ALOPECURUS 



pratensis, L. 



Peoria county, Brendel. 



geniculatus, L. 



Wet meadows. Common near Oquawka, Hen- 

 derson county : Marion, Bebb. 



PHLEUM 



pratense, L. 



Fields, and escaped to roadsides. Common. 



VILFA 



aspera, Beauv. 



Dry hiiJs and barrens. Common. 



vaginseflora, Torr. 



With the last. Common. 



Virginica, Beauv. 



Fulton county, Wolf. (Determined by Prof. A. 

 Wood.) 



SPOROBOLUS 



heterolepis, Gray. 



Dry prairies and barrens. Frequent. 



cryptandrus, Gray. N. 



Sandy river banks and barrens. Common along 

 the Mississippi at Oquawka; near Chicago, Bab- 

 cock. Root perennial. 



AGROSTIS 



perennans, Tuckerm. 



Damp woods. Infrequent. 



scabra, Willd. 



Prairies and barrens. Common. 



vulgaris, With. 



Damp meadows. Common. 



alba, L. 



With the last. Scarce. 

 CINNA 



arundinacea, L. 



Damp woods. Common. 



var. pendula, Gray. N. 



Kankakee county, Hill ; Elgin, Kane co., Vasey. 

 MUHLENBERGIA 



sobolifera, Trin. 



Open rocky woods. Infrequent. 



glomerata, Trin. C. & N. 



Bogs, from Menard county northward. 



Mexicana, Trin. . 



Low grounds. Common. 



sylvatica, T. & G. 



Woods. Frequent. 



Willd-enovii, Trin. 



Rocky woods. Common. 



diffusa, Sch reber. 



Open woods. Frequent. 

 BRACHYELYTRUM 



aristatum, Beauv. 



Shaded rocky hillsides. Frequent. 



