CL. XII.] ICOSANDRIA POLYGYXIA. 223 



of England, but perhaps not indigenous. Eng. Bot. vol. xxxi. pi. 

 2197. Eng.Fl. vol. ii. p. 415. 775. 



8. POTENTI'LLA. CINQUEFOIL. 



Calyx inferior, of one leaf, with ten segments, of which five 

 alternate ones are external and narrower. Petals five, roundish, 

 spreading. Filaments awl-shaped, erect, shorter than the co- 

 rolla ; anthers roundish, two-celled. Germens superior, nu- 

 merous, roundish, collected into a round head. Styles one to 

 each germen, thread-shaped, lateral, ascending j stigmas blunt- 

 ish, downy. Seeds numerous, naked, roundish, upon the surface 

 of a small, dry, globular receptacle. Name, from potens, 

 powerful. 253. 



* Leaves pinnate. 



1. P. fructicosa. Shrubby Cinquefoil. Leaves pinnate; stem 



woody. Stem three or four feet high : leaves of five acute, oblong 



leaflets, covered with close hairs, paler beneath : the upper leaves 

 ternate : flowers terminal, large, golden-yellow. Perennial : flowers 

 in June : grows in mountainous thickets in several places in Tees- 

 dale. Eockforest, Clare, Ireland. Eng. Bot. vol. ii. pi. 88. Eng. Fl. 

 vol. ii. p. 417. 776. 



2. P. anserina. Silver-weed. Goose-grass. Wild Tansy. Leaves 

 interruptedly pinnate, serrate, silky; stem creeping; stalks axillar, 

 solitary, one-flowered. Root long, cylindrical : leaves interrupt- 

 edly pinnate, covered beneath with, shining white hairs : flowers large, 

 bright -yellow. Perennial : flowers in June and July : grows by the 

 sides of roads and ditches, and in meadows and pastures : common. 

 The roots are eaten in the Hebrides, either raw or boiled, Eng. 

 Bot. vol. xii. pi. 861. Eng. Fl. vol. ii. p. 418. 777. 



3. P. rupestris. Rock Cinquefoil. Leaves pinnate, with the ter- 

 minal leaflet large ; leaflets egg-shaped, serrate, hairy ; stem erect. 



Root somewhat woody, tapering : stem a foot high, erect, hairy. 



lower leaves with seven leaflets, upper with three : flowers large, 

 white, panicled. Perennial : flowers in June : grows on the side of 

 a hill, called Craig Breddin, in Montgomeryshire. Eng. Bot. vol. 

 xxix. pi. 2058. Eng. Fl. vol. ii. p. 418. 778. 



** Leaves fingered. 



4. P. argentea. Silvery or Hoary Cinquefoil. Leaflets five, wedge 



shaped, jagged, downy beneath ; stem ascending. Stems nearly 



erect, from six to twelve inches high, cottony : leaves stalked, cot- 

 tony beneath : flowers small, yellow, in a corymbose panicle, with 

 cottony branches : seeds numerous, small, smooth. Perennial : 

 flowers in June and July: grows in gravelly pastures, common in 

 England, rare in Scotland and Ireland. Eng. Bot. vol. ii. pi. 89. 

 Eng. Fl. vol. ii. p. 419. 779. 



5. P. alpestris. Orange Alpine Cinquefoil. Root-leaves of five 

 wedge-shaped, somewhat hairy, leaflets, deeply cut in their upper 

 half; upper stipules egg-shaped; petals heart-shaped; stems as- 

 cending. Root somewhat woody : stems numerous, decumbent 



&t the base, ascending, from four to eight inches long : root- 

 leaves on long, hairy stalks : calyx hairy, petals inversely heart- 

 shaped, orange-yellow. Perennial : flowers in July : grows on 

 mountains in Scotland, the north of England, and Wales: 

 rare. Eng. Bot. vol. viii. pi. 561 : P.aurea. Eng. Fl.vol. ii. p. 419. 



780. 



