IOWA ACADEMY OF SCIENCES. 
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Amphicarpma monoica Nutt. Page county. Dry woods; 
frequent. 
A, pitcheri T. & G. Page and Pottawattamie counties. 
Woods; frequent. 
Cercis canadensis L. Fremont county. Frequent. 
Cassia marylandica L. Ringgold, Page, and Fremont coun- 
ties. Rich lowlands; frequent; in some localities forming 
thickets; found also in Otoe and Cass counties, Nebraska. 
G. cliammcrista L. Ringgold, Page, Taylor, Fremont, Mont- 
gomery, and Pottawattamie counties; waste places; common. 
Gymnocladus canadinsis Lam. Fremont and Pottawattamie 
counties; low woods; infrequent. 
Gledetscliia triacantlios L. Adams, Ringgold, Taylor, Page, 
and Fremont counties. 
Desmantlius hracliylobus Benth. Fremont county; foot of loess 
hills and bottoms of the river; common. 
Rosacea. 
Prunus americana Marsh. Clarke, Union, Adams, Taylor, 
and Pottawattamie counties; thickets; common. 
R. sertina. Ehrh. Union, Adams, Montgomery, Pattawatta- 
mie, Ringgold, Page, Taylor, and Fremont counties; woods: 
frequent. 
P. virginiana L. Clarke, Adams, and Pottawattamie counties; 
low woods; frequent. 
Spiraea salicifolia L. Taylor and Page counties; waysides; 
infrequent. 
Rubus oGcidentalis L. Clarke, Ringgold, Fremont, and Pot- 
tawattamie counties; waysides, thickets; frequent. 
R. villosus Ait. Union, Ringgold, and Fremont counties; open 
woods; frequent. 
Geum album Gmelin. Ringgold, Page, and Pottawattamie 
counties. 
PotentiUa arguta Pursh. Ringgold county; prairies; common. 
P. norvegica L. Ringgold county; fields; common, 
Agrimonia eupatoria L. Ringgold, and Fremont counties; 
open woods; common. 
A. parviflora Ait. Page and Ringgold counties ; low prairies; 
frequent. 
Rosa arlmnsana Porter. Clarke, Union, Adams, Montgomery, 
Pottawattamie, Ringgold, Page, and Fremont counties; prairies; 
common. 
