470 MINNESOTA BOTANICAL STUDIES. 
Plant hirsute especially below, 3 to 15 inches high: lower 
leaves 3-parted or 3-foliate, middle leaflets stalked, others often 
sessile, all obovate-cuneate to roundish, cleft and toothed as in 
fe. repens: petals yellow, 4 to 6 lines long; sepals much 
shorter, reflexed: akenes flat, orbicular, thin-margined; beak 
short-subulate: head oblong. Asia Minor, northern Africa, 
Europe. Naturalized at Savannah, Norfolk, Philadelphia, 
New York and St. John, N. B. 
10. R. micranthus Nutt. ex Torr. & Gray, Fl.1: 18. 1838. 
fe. abortivus var. micranthus GRAY, Man. 5 ed. 42. 1867. 
Allied to #. abort7vus, but more slender, villous; roots of 
slender tubers: most of the lower leaves 3-parted, or divided 
with the leaflets stalked: receptacle glabrous or nearly so. 
April to May. Massachusetts, New York to Colorado, and 
Saskatchewan. 
ri. KR. fascicularis, Munn. Cat. 54... 1813. 
Roots a fascicle of thickened fibres or tubers: plant finely 
pubescent throughout, 3 to Io inches high, tufted: leaves 
mostly radical, long-petioled, 3- (rarely 5-) divided; middle leaf- 
let stalked, others usually sessile, deeply lobed and cleft into 
oblong segments: petals 5 to 6, bright yellow, obovate-oblong, 
rounded at apex, 4 to 6 lines long; sepals much shorter, 
spreading: akenes flattened, slightly margined, glabrous; beak 
nearly their length; head ovate or oblong. April to May. 
Ontario, New England to Texas, and Manitoba. Meehan’s 
Mo. 2:¢. 7. A. epricus GREENE, Pitt. 4: 145, 1900, isa eee 
from Indian Territory with the leaflets rather narrow and some- 
times entire. 
Var. Deforesti n. var. 
Differs from the type in having all leaves but the first radical 
ones cleft into linear to spatulate lobes: roots less thickened: 
plant 3 to 4 inches high: petals 5 to 10, linear to oblong, 2 to 
4 lines long. Collected by Harry P. DeForest (G. 42) near 
Rossville, Ill., April, 1885. 
12. R. septentrionalis Porr. in Lam. Encycl. 6: 125. 1804. 
eur ucidus POR. Lect Tas. 
Te. Lomentosus Por? lc. 127. 
ron. flonois FURSH, El. 22202. (1314. 
hm. Belos: DC. Syst. 1: 201. 1616: 
