ROSE FAMILY. Rosacex. 



A weedy plant differing from the com- 



Norway mon cinquef oil by an extremely hairy stem 



Cinquefoil 



Potentilla mons- and leaf ? the latter 1S Composed also of 



peliensis var. three leaflets instead of five, and it slightly 

 norvegica suggests the strawberry leaf. The five 



not very conspicuous petals are somewhat 

 September isolated in the green setting of the flower, 



which is very leafy in character. There 

 are 15-20 stamens. 12-30 inches high. In dry or waste 

 ground from Me., south to S. Car., and west. The name 

 is from potent for the plant's reputed medicinal powers. 



A similar stout plant, with a character. 

 Rough-fruited . ,. 



Cinquefoil istically rough, horned seed-vessel. The 



Potentilla recta five rather narrow leaflets are deep green, 

 Yellow very hairy beneath, and slightly so above. 



The flowers are pure yellow, and inch 

 September , , . 4 



broad ; the petals are much larger than the 



lobes of the calyx (flower-envelop), which is the reverse 

 of the case with the Norway cinquef oil. Erect, 1-2 feet 

 high. Adventive from Europe, and in the vicinity of 

 old gardens and waste grounds. Me., south to Va., and 

 west to Mich. Found at Exeter, Penobscot Co., Me. 



A small species remarkable for its sil- 

 very character. The leaflets are dark 

 Cinquefoil 

 Potentilla green above and silver white beneath. 



argentea The stem is also covered with the silky 



Yellow white wool, beneath which appears the 



pale terra-cotta tint of its surface. The 

 September 



five wedge-shaped, narrow leaflets are 



rolled back at the edge, and quite deeply cut. The pure 

 yellow flowers are rather small, and loosely clustered at 

 the ends of the branches. 5-12 inches long. In dry and 

 sterile fields, or sandy soil, Me., south to N. J., and west 

 to the Daks. 



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