2 42 DAVENPORT ACADEMY OF SCIENCES. 



SOLANACEiE. 



Solanum, Tourn. Nightshade. 



551. S. Dulcamara, L. Bittersweet. 



Waste places near old dwellings ; infrequent. 



552. 6". nigrum, L. 



Shaded grounds ; common. 



553. S. Carolitiense, L. Horse Nettle. 

 Dry sandy soil ; frequent. 



554. S. rostratum, Dunal. 



Becoming frequent along railroad tracks. The first plants 

 within our limits were found in 1891. 

 Physalis, L. Ground Cherry. 



555. P. Philadelphia!, Lam. 



Along river banks and railroad tracks ; infrequent. 



556. P. pubescens,*L. 

 Rich soil ; common. 



557. P. lanceolata, Michx. 



Railroads and waste places ; common. 

 Nicandra, Adans. 



558. N. physaloides, Gaertn. Apple of Peru. 

 Escaped into a field near Muscatine, 1896. 



Lycium, L. 



559. L. vulgare, Dunal. Matrimony Vine. 

 Near old gardens ; common. 



Datura, D. Jamestown Weed. " Jimsonweed." 



560. D. Stamonium, L. 



Waste places; common in Muscatine county; infrequent in 

 Scott county. 



561. D. Tatula, L. 



Waste places ; common in both counties. 



SCROPH UL ARI ACKJE. 



Verbascum, L. Mullein. 



562. V. Thapsus, L. Common Mullein. 

 Waste places ; common. 



563. V. Blattaria, L. Moth Mullein. 



Woodland pastures, Muscatine county ; infrequent. 



