166 



Solanaceae 



Solaninn nigrum L. Hanover, Oquawka, and Havana areas, un- 

 der the shade of trees. 



Solanuin carolincusc L. Hanover and Oquawka areas, in the 

 black oak forest and a weed in cultivated fields. 



Physalis heterophylla Nees. Hanover, Winnebago, Dixon, and 

 Havana areas, in the bunch-grass and black oak associations. 



Physalis virginiana Mill. Hanover and Oquawka areas, in the 

 black oak and bunch-grass associations. 



Scrophiilariaceae 



Verhasciini Thapsus L. Hanover, Winnebago, Ocjuawka, and 

 Havana areas, usually in the black oak forest, but occasionally in 

 the bunch-grass association. 



L'inaria canadensis (L.) Dumont. Hanover, Dixon, Oquawka, 

 and Havana areas, a common interstitial in the bunch-grass, fre- 

 quent in the Panicuui psciidopuhcsccns and blowsand associations, 

 and occasional on blowout deposits. 



Scrophidaria leporella Bicknell. Hanover, Winnebago, Oquawka, 

 and Havana areas, most abundant in the mixed forest and in the| 

 dune thickets, less frequent in the black oak forest. 



Pcntstcmon hirsiitiis (L.) Willd. Hanover, Amboy, Havana, 

 and Oquawka areas, common in the bunch-grass and the black oak 

 forest, and occasional in the Panicuni pseiidopubcsccns and bur oak 

 associations. 



Pentstcmon grandiflonis Xutt. In the bunch-grass and black oak 

 associations of the Oquawka area. 



Veronica znrginica L. Winnebago and Amboy areas, in the bur 

 oak association. 



Synthyris Bidlii (Eaton) Heller. Hanover, Winnebago, and 

 Oquawka areas, characteristic of the black oak association and oc- 

 casional as a relic in the bur oak forest, rare in the bunch-grass. 



Gerardia grandiflora Benth. In the black oak association in the 

 Winnebago and Amboy areas, and as a relic in the bur oak forest. 



Gerardia purpurea L. In the Solidago association in the Dixon 

 area. 



Castilleja coccinca (L.) Spreng. Winnebago area, in the black 

 oak association. 



Pedicularis canadensis L. Winnebago area, in the black oak and 

 bur oak associations. 



