NAT. ORDER. 



Lenticosce. 



ROSA CENTIFOLIA. HUNDRED-LEAVED ROSE. 



Class XII. IcosANDRiA. Order V. Polygnia. 



G(in. Char. Petals five. Calijx pitcher-shaped, five-cleft, fleshy, and 

 contracted at the neck. Seeds numerous, hispid, and affixed to 

 the under side of the calyx. 



Spe. Char. Germen ovate. Peduncles hispid. Stem hispid and 

 prickly. Petioles unarmed. 



Various opinions are entertained with respect to the native place 

 of this species of rose, and it is a point which stiU remains undeter- 

 mined. It is cultivated in gardens very extensively, as an ornamental 

 flower, and grows luxuriantly in most parts of the United States, and 

 throughout the continent of Europe, flowering in June. 



The Rosa CentifoUa has prickly stalkg, which are from three to 

 six feet in height. The leaves are pinnated, consisting of two or 

 three pairs of leaflets, with an odd one ; the leaflets are oval, broad, 

 serrated, veined, hairy, and attached by very short petioles to a rough 

 common footstalk ; the floiocrs are large, varying in color, generally of 

 a pale red, and supported on peduncles which are beset with bristly 

 hairs ; the leaves of the calyx are semi-pinnate ; the petals are large 

 and numerous; the parts oi fructification are by cultivation converted 

 into petals. 



There are many varieties comprehended under this species of 

 rose, which are indiscriminately gathered for medicinal purposes, and 

 are found by chemical analysis not to differ essentiallj from each 



