IOWA ACADEMY OP SCIENCES. 
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C. pitcheri T. & G. Union, Fremont, and Pottawattamie 
counties. Thickets; frequent. 
Anemone cylindrica Gray. Union, Ringgold, Fremont, 
Adams, Montgomery, and Pottawattamie counties. Prairies, 
waysides; frequent. 
A. virginiana L. Ringgold, Page, and Fremont counties. 
Woods; frequent. 
A. pennsylvanica L. Ringgold and Pottawattamie counties. 
Prairie; frequent. 
Thalictrum purpurascens L. Union, Ringgold, Page, Taylor, 
Fremont, Adams, and Pottawattamie counties. Open woods; 
frequent. 
Ranunculus multifidus Pursh. Decatur county. A few speci- 
mens found in a moist locality. 
Aquilegia canadensis L. Ringgold and Pottawattamie coun- 
ties. Woods; common. 
Delphinium tricorne Mx. Clarke, Union, and Decatur counties. 
Fields and woods; moist places; common. Many specimens 
were found with double flowers, the two upper petals, as usual, 
and six others, the lower sepal spurred similar to the upper, 
but with a smaller spur. Specimens with six or seven petals 
were also found. 
D. azureum Mx Clarke, Union, Adams, Montgomery, and 
Pottawattamie counties. Prairies; common. 
Memispermace^. 
Menispermum canadense L. Union, Ringgold, Page, Taylor, 
Fremont, and Pottawattamie counties. Woods; common. 
Berberidace^. 
Podophyllum peltatum L Union and Ringgold counties. 
Rich woods; common. 
Nympho ACE^. 
Nymphcea tuber osa Paine. Fremont county. Common in 
Wabonsie slough. 
Crucifers. 
Arabis canadensis L. Page county. Woods; infrequent. 
A. dentata T. & G. Decatur county. One specimen found. 
Nasturtium sinuatum Nutt. Fremont county. This species 
is a very common weed in the Missouri river bottoms. 
N sessiliflorum Nutt. Decatur and Page counties. Low, 
wet places; frequent. 
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