SUB-CLASS II. DICOTYLEDONES. 187 
Rubus nigrobaccus Bailey. (R. villosus Ait.) Blackberry. 
Common in thickets. Decorah. 
Rubus procumbens Muhl. (R. canadensis L.) Dewberry.. In 
sandy or rocky soil, not common. Decorah, Hesper. The spec- 
imens from the latter locality have an unusually large number 
of leaves having but one large leaflet. This form was reported 
by the writer under the name of R. baileyanus,* a species which, 
so far as known, does not occur in Iowa. 
Drymocallis arguta (Pursh. ) Ryd. (Potentilla arguta Pursh.) 
Tall Cinquefoil. On dry prairie and hills, locally common. Ft. 
Atkinson. . . 
Dasiphora fruticosa (L.) Rydb. (Potentilla fruticosa L.) 
Shrubby Cinquefoil. Rare. Decorah (Arthur). 
Sibbaldiopsis tridentata (Soland.) Rydb. (Potentilla triden- 
tata Soland.) Three-toothed Cinquefoil. Very common on the 
St. Peter sandstone exposures northeast of Hesper. 
Fragaria virginiana Duches. Wild Strawberry. In open 
places, locally common. (Fitzpatrick.) 
Fragaria americana (Port.) Britt. (F. vesca L.) Wood 
Strawberry. Locally common, in rocky places. Decorah (Sav- 
age), Canoe creek, Ft. Atkinson. 
Potentilla monspeliensis L. (P. norvegica L.) Rough Cin- 
quefoil. Rather common, on banks and in thickets. Calmar. 
Potentilla canadensis L. Five-finger. Common in dry soils. 
Moneek, Canoe creek, ete. | 
Geum virginianum L. Rough Avens. Moist woods. More 
common than the preceding at Hesper. 
_. Geum macrophyllum Willd. Large-leaved Avens. In moist 
woods. (Fitzpatrick.) 
Sieversia ciliata (Pursh.) Rydb. (Geum triflorum Pursh.) 
Reported by Fitzpatrick. 
Agrimonia hirsuta (Muhl.) Bick. (A. eupatoria L.) Com- 
mon in woods. Hesper, ete. 
Rosa blanda Ait. Smooth Wild Rose. Not rare, on shaded 
banks, ete. Decorah. 
* See Trans. Iowa Hort. Society, Vol. 38, p. 463; 
Proc. Dav. Acad. of Sciences, Vol. X, 1904. 
