178 
IOWA ACADEMY OP SCIENCES. 
N. palustre D. C. Union county. Moist places; common. 
N. armor acia Fries. Adams county. Waste places; com- 
mon. 
Erysimum clieirantlioides L. Decatur county. One specimen 
found. 
Sisymbrium officinale Scop. Clarke, Union, Adams, Montgom- 
ery, Pottawattamie, Ringgold, Taylor, and Fremont counties. 
A common weed in waste places. 
Brassica nigra Koch. Ringgold, Page, Montgomery, and 
Pottawattamie counties. Fields and waste places; common. 
Gapsella bursa-pastor is Moench. Clarke, Union, and Ringgold 
counties. A common weed. 
Lepiclium virginicum L. . Clarke, Adams, and Pottawattamie 
counties. Waste places; common. 
Raphanus sativus L. Taylor county. A few escapes. 
Capparidace^. 
Cleome integrifolia T. & G. Fremont county. A common 
weed in the Missouri river bottoms. 
Cistace^. 
Heliantliemum majiis (L.) B. S. P. Union and Taylor counties. 
Prairies, frequent. We have heretofore listed this as E. cana- 
dense Mx. Lecliea major Mx. of our previous lists is only a form 
of this species. 
Lecliea stricta Legget. Johnson county. Listed before as 
L. minor L. 
VlOLACE^. 
Viola palmata L. Fremont county. A few found in low 
places. 
Viola cucullata Ait. Union, Ringgold, and Pottawattamie 
counties. Fields and woods; common. 
Viola pubescens Ait. Pottawattamie county. Woods; fre- 
quent. 
Caryophyllace^. 
Saponaria officinalis L. Ringgold, Taylor, and Fremont 
counties. Waysides; infrequent. 
Silene stellata Ait. Ringgold, Page, Fremont, and Pottawat- 
tamie counties. Woods; frequent. 
S. noctiflora L. Fremont county. A few found by the way- 
side. 
