56 THE AMERICAN MIDLAND NATURALIST. 
such as the writer is more or less responsible for in this or earlier 
publications are indicated by an asterisk (*). As he has previously 
stated (Science, N.S. 45:502), he considers that common names 
are of necessity more or less local, and that different plants may 
bear the same name in separated regions. Qualifying adjectives 
may not be needed where related species are absent. 
Ranunculaceae. Butter-cup Family. 
Actaea rubra (Ait.) Willd. BANEBERRY. 
Woods. Frequent. May 25. The white and red fruited forms 
are not regarded as different species. 
Aquilegia canadensis L. COLUMBINE. 
Woods. Occasional. May 25 (24). 
Delphinum penardi Huth. PRAIRIE LARKSPUR. 
Prairie. Occasional. July 5 (3). 
Anemone cylindrica A. Gray. “COTTON WEED. 
Prairie. Frequent. June 15. 
Anemone virginiana LL. TALL ANEMONE. 
Woods. Occasional. June Io. 
Anemone canadensis \L. CANADA ANEMONE. 
Prairie on lower places. Common. June 5 (5). 
Anemone quinquefolia L. WOOD ANEMONE. 
Aspen woods on the Minnesota side. May to (9). 
Pulsatilla hirsutissima (Pursh) Britton. PASQUE FLOWER. 
Reported to have been found, but not seen in recent years and 
no specimen in the herbarium. Apr. 15. Commonly called ‘‘ Crocus.” 
Clematis virginiana \,. VIRGIN’S BOWER. 
Woods and thickets. Frequent. Aug. 5. ~ 
Ranunculus delphinifolius Torr. YELLOW WATER CROWFOOT. 
In water. Occasional. May 25. 
Ranunculus ovalis Raf. PRAIRIE BUTTERCUP. 
Prairie. Common. Apr. 20 (21). 
Ranunculus abortivus L. KIDNEY-LEAVED BUTTERCUP. 
Woods. Common. May to (8); excluding an extremely early 
date—A pr c1O;, 11OKO: 
Ranunculus sceleratus \. DITCH BUTTERCUP. 
Margins of ponds, etc. Common. May 30 (31). 
Ranunculus acris Y. TALL BUTTERCUP. 
An introduced weed collected in 1892 and 1910, but apparently 
has not become established. 
