I HE FLORA OF SCOTT AND MUSCATINE COUNTIES. 209 



1 10. H. nudicau le, Walt. Orange-grass. Pine-weed. 



Sandy soil ; Lake T'w'p , Muscatine county, 1890, and Noels. 

 Scott county. Muscatine Island, 1898, (Miss Hoffmann). 

 Elodes, Atkins. Marsh St. John's- Wort. 



111. E. campanulata, Pursh. 



Wet grounds along Cedar River. Noels. 



MALVACE^l. 

 Malva. L. Mallow. 



112. M. rotundifolia, L 



Yards and waste places ; frequent. 



113. M. sylvestris, L. 



Escaped from gardens near old habitations; infrequent. 



114. M. crispa, L. 



Sparingly escaped at Pleasant Prairie, Muscatine county. 

 Callirrhce, Nutt. 



115. C. triangulata, Gray. 



Sandy soil ; local. Moscow. Near Davenport (Shimek). 



Malvastrum, Gray. 



116. M. angustum, Gray. 



Government Island, August, 1865 (Dr. C. C. Parry). Rocky 

 roadside east of Gilbert, 1898. Abundant locally. 

 Sida, L. 



117. S. spinosa L. 



Rather frequent in dry soil ; Muscatine county ; buffalo. 



Abutilon, Tourn. 



118. A. Avicennae, Gaertn. Velvet Leaf. 



Common and locally abundant in waste places and cultivated 

 fields. 

 Hibiscus, L. Rose Mallow. 



119. H. mtlitaris, Cav. Halberd-leaved R. 

 Frequent in wet grounds along rivers. 



120. H. Trionum, L Bladder Ketmia. 



Roadsides; frequent. Abundant along many roadsides in 

 Blue Grass T'w'p., Scott county. 



TILIACEiE. 



Tilia, Tourn. 



121. T. Americana, L. Basswood. 

 Rich woods ; common. 



[Proc. D. A. S., Vol. VIII.] 27 [July 14, 1900.] 



