IOWA ACADEMY OP SCIENCES. 127 



Onosmodium CaroUnanum D. C. var. molle, Gray. 



Sioux City, prairies and common on loess mounds (B. W.); 

 Little Rock (C. R. Ball); Council Bluffs, loess woods, 

 South Dakota opposite Hawarden, border cf woods, 

 hills (L. H. P.). 



CONVOLVULACE^. 



Convolvulus sepium L. 



Sioux City (B. B.); a common weed in jfields, and pastures, 

 gardens and meadows (L. H. P. observations). 

 Cuscuta glomerata Choisy. 



Sioux City on Heilanthus, Solidago, common (B. W.), 



SOLANACE.^. 



Solamnn nigrum L. 



Sioux City (B. W.). 

 S. Carolinense L. 



Introduced; Mapleton (Abjah Lamb); Logan, along road- 

 sides. Council Bluffs in streets (L. H. P.). 

 S. rost ration Dunal. 



Woodbine; South Dakota, opposite Hawarden (L. H. P.). 

 Physalis 2n(l>escens L. 



• Sioux City B. W.); A very common weed in neglected yards 

 Missouri Valley, Council Bluffs, Onawa (L. H. P. observations). 



SCROPHULARIACE.E. 



Scropliularia nodosa L. var. MarUandica Gray. 



Sioux City (B. W.); Little Rock (C. R. Ball). 

 Pentstemon grandijiorus Nutt. 



Sioux City, common on the sides of the loess mouDds (L. 

 H. P., B. W.). 

 Minmlus ring ens L. 



Sioux City in low grounds (B. W.). 

 Ilysanthes riparia Raf. 



Sioux City, low grounds and muddy places (B. W.); 

 Hawarden (L. H. P.); Hull (W. Newell). 

 Veronica Virginica L. 



Sioux City (B. W.); Hull (W. Newell); Little Rock (C. R. 

 Ball). 

 Gerardia aspera Dougl. 



Sioux City, common on sides and tops of loess mounds (L. 

 H. P.). 

 G. tenuifolia Vahl. 



Missouri Valley, loess mounds (L. H. P.). 



