118 
IOWA ACADEMY OP SCIENCES. 
ROSACE.®. 
Prunus Americana Marshall. 
CoTincil Bluffs, loess in valleys between mounds. South 
Dakota, opposite Hawardeii forraiog thickets at the base 
of hills (L. K. P.), Sioux City (B. W.) the species forms 
dense thickets in western low^a, fruit small. 
P. Virginiaim L. 
Logan, in valleys between hills. Sioux City (B, W.); the 
species occurs in thickets mostly small shrubs. 
Picbus strigosus Michx. 
Sioux City, rare (B. Y{.). 
R, occidentalis L. 
Sioux City, not common (B. W.). 
Geum album Gmelin, 
Logan, in woods (L. H. P.); Sioux City (B. W.). 
Fragaria Virginiana Mill. var. Illinoensis Gray. 
Sioux City (B. V%^.). 
Potentilla arguta Pursh. 
Hull (W. Newell); Battle Creek, (E, G. PrestonJ; Little 
Rock, (Herb. C. R. Bail); Sioux City (B. W.). Tne 
species is frequent in dry places ia western Iowa, loess 
mounds. 
P. Norvegica L. 
Hull (W. Newell;; Little Rock (C. R. Ball); Rock Valley, 
(J, F. Jensen and W. Newell); Sioux City (B. W.). 
Var. millelegrana Watson. 
Sioux City (B. W.). 
Rosa AT~kansana Porter. 
Hull (M. Newell). 
SAXIPRAGACE^. 
Eeucliera hisjnda Pursh. 
Sioux City (B. W.). 
Ribes gracile Michx. 
Sioux City, in v70ods (B. V/.) C juncil Bluffs, loess in woods 
(L. H. R). 
R. floridum L’Her. 
Sioux City, in woods (L. H. P.); South Dakota, opposite 
Hawarden in woods, valleys and between hills. 
crassulagea:. 
PentliOTum sedoides L. 
Huli'fW. Newell); Sioux City (B. W.). 
