POLYANDRIA, POLYGYNIA. 25 
incised, sarments creeping; peduncles furrow- 
ed, calices spreading.— Willd. 
Icon. Fl. Dan. 795. Engl. Bot. 516. : 
Creeping Crow-foot. 
A fine species, which spreads rapidly and extensively by its 
creeping roots. Flowers large, deep-yellow. In damp, shady 
w and unmolested moist places near shrubbery ; frequent. 
Perennial. July. 
6. R. very hirsute; leaves compound, ternate, tri- bulbosus. 
fid, incised and toothed; stem erect, many-flow- 
ered ; peduncles furrowed, calices reflexed, root 
bulbous.— Willd. 
Icon. Fl. Dan. 551. Engl. Bot. 515. 
Common Bulbous Crow-foot, or Butter-cup. 
An introduced, but naturalized species, found every where 
in pastures, grass-plots, and in grassy fields and lanes. Leaves 
a very deep-green; flowers fine deep-shining-yellow. Posses- 
ses medicinal virtues. Whole fields are often rendered yel- 
low by the profusion of this plant. Perennial. From May 
till August. 
7. R. hairy, erect, branched ; leaves ternate, tri- Pennsylvani- 
fid, incised, hairy underneath; peduncles te- ax 
rete, calices reflexed, petals the length of the 
calix.— Willd. 
R. trifolius, Bart. Prod. Fl. Ph. 60. 
An excessively hairy species, which comes near to Penn- 
sylvanicus, but may not be it on further examination. In grassy 
retired places; not common. On the grounds of Lemon-hill. 
Perennial. July. 
8. R. root very much fascicled ; leaves ternate, sub- tascicularis. 
pinnate, glabrous. B. 
R. fascicularis, Muhl. 
A fine species, eighteen inches or two feet high, growing on 
the margins of our rivers and creeks, and frequently mistaken 
— acris, from which it materially differs. Perennial. May, 
une. : 

Te > 
Bi 
