167 



Orobanchaceoc 



Orobanche fasciculata Nutt. Parasitic on Artemisia caudata in 

 the bunch-grass association of the Hanover area. 



AcantJiaccae 



RucUia ciliosa Pnrsh. Havana and Oquawka areas, in the bunch- 

 grass and black oak associations. 



Plantaginaceae 

 Plantago Rugclii Dene. Along roadsides in the Oquawka area. 



Ruhiaceae 



Galium pilosuui Ait. In the black oak forest in the Havana area. 



Galium concinnuui T. & G. W'innebago area, in the bur oak 

 association; Havana area, in the mixed forest. 



Diodia teres Walt. Hanover and Havana areas, common in the 

 blowsand association, and occasional in the black oak forest and as 

 a weed in cultivated ground. 



Caprifoliaccae 



Loniccm SuUivantii Gray. Winnebago area, in the bur oak asso- 

 ciation. 



Campanulaceae 



Specuhiria pcrfoliafa (L.) A. DC. Hanover, Havana, and Win- 

 nebago areas, a common interstitial in the bunch-grass, occasional in 

 open places in the black oak forest and one of the most abundant 

 weeds in sandy fields. 



Coinpositae 



Venwnia fasciculata Michx. Havana area, in the Solidago assor 

 ciation ; Amboy area, in the w'et meadows between the dunes ; Han- 

 over area, in pastured bunch-grass. 



Bupatoriuin pnrpureiun L. Havana area, in the mixed forest 

 association ; AmlDoy area, in the wet meadows at the base of the dunes. 



Bupatoriiiiii serotiniim Michx. Hanover area, in the black oak 

 and mixed forest associations. 



Bnpatoriiim itrticaefolinm Reichard. In the mixed forest asso- 

 ciation in the Hanover and Havana areas. 



Kiihnia ciipatorioidcs L., var. corymbidosa T. & G. Hanover, 

 Oquawka, and Havana areas, chiefly in the bunch-grass, but occa- 

 sional in the blowsand and dune thicket associations. 



