PLANTS OF FARGO, ETC. 89 
Radicula armoracia (I1,.) Robinson. HORSERADISH. 
Fields and roadsides. Occasionally escaped from cultivation 
and persisting. May 30 (June 1). 
Rosaceae, Rose Family. 
Spiraea salicifolia \. MEADOW-SWEET. 
Low places in prairie, roadside, ete. Common. July 5 (7). 
Potentilla paradoxa Nutt. BUSHY CINQUEFOIL. 
Lee in 18or. 
Potentilla millegrana Engelm. 
Riverbank and low places. Frequent. 
Potentilla monspeliensis VW. ROUGH CINQUEFOIL. 
Fields and waste places. Common. June 20 (19). 
Potentilla pentandra Engelm. 
Fields and low places. Common. June 20. 
Potentilla pennsylvayica \,. *PRAIRIE CINOUEFOIL. 
Prairie. Common. June 20. 
Argentina anserina (1,.) Rydb. SILVER WEED. 
Sloughs. This may not occur in the immediate vicinity, but I 
have seen it within 10 miles east and north. May to. 
Fragaria virginiana Duchesne. WILD STRAWBERRY. 
Woods and prairie. Common. May 10 (9). 
Drymocallis arguta (Pursh) Rydb. TALL CINQUEFOIL. 
Prairie. Frequent. June 25 (23). 
Geum canadense Jacq. WHITE AVENS. 
Woods. Occasional. June 25. 
Geum macrophyllum Willd. 
Woods. Bolley in 1897. I have been uncertain as to the position 
of this form. 
Geum strictum Ait. YELLOW AVENS. 
Woods and thickets. Common. June 20. 
Geum ciliatum Pursh. *TORCH FLOWER. 
Prairie. Frequent. May (no accurate dates). I have long sought 
for a suitable name for this pretty little plant, and this one, sug- 
gested by Mr. H. D. Long seems quite acceptable. It refers to 
freshly matured fruit heads with their graceful, beautifully colored 
plumes. 
Rubus triflorus Rich. DWARF RASPBERRY. 
Woods, chiefly in aspen on Minnesota side. May 15. 
