72 Rose (Rosacea). [No. 8 



with small, reflexed, bristle-like prickles. The leaves are 

 mostly persistent through the winter. 



(2) Genus DalibArda, L. 



From the name of a French botanist. 



Fig. 38.— False Violet. D. ripens, L. 



Flowers, white, one (or sometimes two) on a long stem. 

 Petals, five, soon falling, reverse egg-shape, longer 

 than the sepals. Calyx, deeply five- or six-parted, 

 with three of the lobes longer than the others, and 

 toothed ; spreading in flower, but closing around the 

 seed-case in fruit. Stamens, many. Styles, five to 

 ten, long. Seed-cases, five to ten. June, August. 



Leaves, simple, rounded, one to two inches in diameter. 

 Edge, blunt-toothed ; downy. Base, heart-shape. 

 Apex, blunt. Leaf-stem, slender, one to three 

 inches in length. 



Fruit, a head of nearly dry, seed-like drupes. 



Found, common in low woods from Pennsylvania to 

 Canada. 



A low, perennial herb, downy, with creeping, closely- 

 tufted stems, one to twelve inches in length. 



(3) Genus Potenti'lla, L. 



From a word meaning " powerful," because of the supposed medicinal qualities of one 



of the species. 



Fig. 39.— Cinquefoil. Five-finger. P. Canadensis, L. 

 Flowers, yellow, solitary, on long axillary stems. Petals, 

 five, rounded, or reverse heart-shape, as long as the 

 calyx. Calyx, spreading, deeply five-cleft, with five 

 bractlets between the lobes, so appearing to be ten- 

 cleft. Stamens, many, with slender filaments. April 

 to August. 



