168 



Liatris cylindvacca Michx. Hanover area, in the bunch-grass 

 association ; Winnebago and Amboy areas, in the black oak forest. 



Liatris scariosa Willd. In the bunch-grass association in the 

 Hanover, Dixon, Oquawka, and Havana areas ; in the black oak for- 

 est in the Winnebago and Amboy areas. 



Chrysopsis villosa Nutt. Hanover, Dixon, and Havana areas, 

 common in the bunch-grass association ; along roadsides in the 

 Amboy area. 



Solidago speciosa Nutt., var. angnstata T. & G. Winnebago, 

 Amboy, Hanover, and Havana areas, in the black oak forest ; Han- 

 over and Ocjuawka areas, in the bunch-grass association. 



Solidago missouriensis Nutt. In the bunch-grass association in 

 the Havana and Hanover areas. 



Solidago nemoralis Ait. Abundant in all seven areas, in the 

 black oak and bunch-grass associations ; in the Hanover area, also 

 in the Panicmn pseudopuhcscens association. 



Solidago scrotina Ait. Hanover and Havana areas, in the black 

 oak association. 



Solidago rigida L. In the bunch-grass association in the Han- 

 over area; along roadsides in the Amboy area. 



Solidago graminifolia (L.) Salisb. Characteristic of the Soli- 

 dago association in the Dixon and Havana areas ; along sandy road- 

 sides in the Amboy area ; in a swamp between the dunes in the Win- 

 nebago area. 



Aster ohlongifoliiis Nutt. Oquawka area, in the mixed forest on 

 the river dune. 



Aster sericeus Vent. In the bunch-grass association in the Han- 

 over, Havana, and Oquawka areas; in the black oak forest in the 

 Hanover and Amboy areas; in the mixed forest on the river dune in 

 the Oquawka area; in a cleared field in the Winnebago area. 



Aster a.zureus Lindl. Winnebago, Amboy, Havana, and Oquawka 

 areas, in the black oak association. 



Aster multiflorus Ait. Havana, Oquawka, and Hanover areas, 

 in the bunch-grass association. 



Aster linariifoUiis L. Common in all seven areas in the bunch- 

 grass and black oak associations, and occasionally persisting as a 

 relic in the Panieuiu pseiidopubescens association. 



Aster sp. In the bunch-grass association in the Hanover area. 



Aster sp. Dixon area, in the Polytrichum association. 



Brigeron pulchellus Michx. On the perched dunes in the Han- 

 over area. 



