PLANTS OF FARGO 57 
Ranunculus pennsylvanicus WL. f. BRISTLY BUTTERCUP. 
Sloughs. Frequent. Apparently no record of flowering but it is 
late, perhaps first of Aug. 
Tilia americana 1,. BASSWOOD LINDEN. 
Woods of river. Common. 
Malvaceae. Mallow Family. 
Malva rotundifolia 1. MALLOW. CHEESES. 
Near railway tracks (Stevens in 1915.) 
Malva borealis Wallm. *NORTHERN MALLOW. 
Yards, roadsides, etc. Common. June 25 (26). 
Malva sylvestris VL. HIGH MALLOW. 
Various places. Occasional. 
Hibiscus trionum I,. FLOWER-OF-AN-HOUR. 
Gardens.. Occasional. ; 
Hypericaceae. St. John’s-wort Family. 
Hypericum perforatum L,. <€OMMON ST. JOHN’S-WORT. 
Collected by C. H. Waldron in rort. 
Elatinaceae. Water-wort Family. 
Elatine triandra Schk. MUD PURSLANE. 
Mud in dried up ponds. Occasional. 
Violaceae. Violet Family. 
Viola papilionacea Pursh. COMMON BLUE VIOLET. 
Woods, thickets and low prairie. Common. May 5 (7). 
Viola sororia Willd. } HAIRY BLUE VIOLET. 
Dry open woods and thickets. Frequent. 
Viola pedatifida G. Don. PRAIRIE VIOLET. 
Prairie. Common. May 20 (21). 
Viola pubescens Ait. YELLOW VIOLET. 
Woods. Common. May 5 (7). 
Viola rugulosa Greene. CANADA VIOLET. 
Woods. Common. May 5 (5). 
Viola conspersa Reich. 
“Wet places in aspen woods on Minnesota side. May 5. 
Oxalidaceae. Wood Sorrel Family. 
Oxalis violacea \L. VIOLET WOOD. SORREL. 
Prairie, fields and roadsides. Common. May 25 (23). 
