118 IOWA ACADEMY OF SCIENCES. 



ROSAC! 



Prnn us Americana Marshall. 



Council Bluffs, loess in valleys between mounds. South 

 Dakota, opposite Hawarden forming 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 email shrubs. 

 Eubus strigosits Michx. 



Sioux City, rare (B. W.). 

 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. W.). 

 Potent ilia a, -(jut a Pursh. 



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

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

 species is frequent in dry places in western Iowa,, loess 

 mounds. 

 P. Nbrvegiea L. 



Hull (W. NewellJ; 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 Arkansana Porter. 

 Hull (M. Newell). 



SAXIFRAGACE^E. 



Heuvhri'd Jii spit ht Pursh. 

 Sioux City (B. W.). 

 s gracile Michx. 



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

 (L. H. P.). 

 /;. floridum L'Her. 



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

 Hawarden in woods, valleys and between hills. 



CRASSULAC 



Pi nthorum sed&ides L 



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



