118 IOWA ACADEMY OF SCIENCES. 



ROSACEA. 



Prunus Americana Marshall. 



Cc'uucil Bluffs, loess in valleys betvy-een mounds. South 

 Dakota, opposite Hawarden formiog thickets at the base 

 of hills (L. H. P.), Sioux City (B. W.) the species forms 

 dense thickets in western Iowa, fruit small. 

 P. Virginiana L. 



Logan, in valleys between hills. Sioux City (B. W); the 

 species occurs in thickets mostly siL.all shrubs. 

 Rubus strigosus Michx. 



Sioux City, rare (B. W.). 

 R. occiden talis L. 



Sioux City, not common (B. W.). 

 Geum album Gmelin. 



Logan, in woods (L. H. P.); Sioux City (B. AV.). 

 Fragaria Virginiana Mill. var. Illinoensis Gray. 



Sioux City (B. W.). 

 Potenfilla arguta Pursh. 



Hull (W. Newell); Battle Creek, (E. G. Preston j; Little 

 Rock, (Herb. C. R. Ball); Sioux City (B. W.). Tae 

 species is frequent in dry places ia western Iowa, loess 

 mounds. 

 P. Norvegica Ij. 



Hull (W. Newell; ; Little Rock (C. R. Bill); Rock Valley, 

 (J. P. Jensen and W. Newell); Sioux City (B. W.). 

 Var. millelegranoj Watson. 



Sioux City (B. W.). 

 Rosa Arkansana Porter. 

 Hull (M. Newell). 



SAXIFRAGACE.i:. 



Eeudiera liispitla Pursh, 

 Sioux City (B. W.). 

 Ribes gracile Michx. 



Sioux City, in woods (B. W.) C juncil Bluffs, loess in woods 

 (L. H. P.). 

 R. floridu-in L'Her. 



Sioux City, in woods (L. H. P.); South Dakota, opposite 

 Hawarden in woods, valleys lend between hills. 



CRASSULACE.^. 

 PentJiorum sedoides L. 



Hull (W. Newell); Sioux City (B. W.). 



