XXVI. OSA CEJE ! POTENTI LLA. 



319 



Other Sorts of shrubby Rubuses. R. macro* 

 pctalus Doug. MS. in Hook. Fl. Bor. Amer. 

 p. 178. t. 59., and onr fig. 545., is a native of 

 low woods in the valley of the Columbia, with 

 white flowers, and the general habit of R. 

 spectabilis. 



R. dclicidsns Torrey in Ann. Lye. ii. p. 196. 

 is a native of North America, among the Rocky 

 Mountains ; with purple flowers, succeeded by a 

 very delicious fruit. It is a shrubby bramble, 

 5 or 6 feet high. 



R. tiliaceus Smith in Rees's Cycl. vol. xxx. is 

 a native of Upper Nepal, with white flowers, 

 and leaves like those of Ti\\a alba. R. cordi- 

 folius D. Pon appears to be the same species, 

 or perhaps a variety. Hort. Soc. in 1834. 



515. R. macroptalus. 



GENUS X. 



POTENTI'LLA L. THE POTENTILLA, or SHRUBBY CINQUEFOIL. 

 Lin. Syst. Icos&ndria Polygynia. 



Identification. L,\n. Gen., No. 865. ; Nestl. Pot. Diss., 4to ; Lehm. Pot. Diss., 4to ; Dec. Prod., 2. 



p. 571. ; Don's Mill., 2. p. 549. 

 Derivation. From potens, powerful ; in allusion to the supposed medicinal qualities of some 



species. 



Gen. Char. Calyx 10-parted, the 5 outer segments accessory. Petals 5. 

 Stamens numerous. Carpels numerous with lateral styles, seated on a dry 

 permanent, elevated receptacle. (Don's Mill.) 



Leaves compound, alternate or opposite, stipulate, sub-evergreen ; pin- 

 nately cut. Flowers white or yellow. 



Shrubs low, natives of Europe and America, and of easy culture in a dry 

 soil. They are propagated by seeds or cuttings ; and, except the common 

 species, P. fruticosa, are not much in cultivation. 



j* 1. P. FRUTICOSA L. The shrubby Potentilla, or Cinquefoil. 



Identification. Lin. Sp., 709. ; Dec. Prod., 2. p. 579. ; Don's Mill., 2. p. 560. ; Nestl. Pot. ; Lehm. 



Pot. ; Smith's Eng. Flora, 2. p. 416. 

 Engravings. Eng. Bot , t. 88. ; Nestl. Pot, 30. t. I. ; and owe fig. 546. 



Spec. Char., Sfc. Stem shrubby. 

 Leaves pinnatelycut, hairy ; the 

 lobes oblong, lanceolate, entire, 

 approximate, of nearlythe same 

 colour on both surfaces. Sti- 

 pules lanceolate, membraneous, 

 acute. Inflorescence rather co- 

 rymbose. Flowers yellow. Se- 

 pals pilose, lanceolate, acute, 

 broad at the base. Bracteas 

 linear-lanceolate, indistinctly pe- 

 tioled. Corolla longer than the 

 calyx. Receptacle very hairy. 

 (Dec. Prod.) A roundish bush. 

 England, Germany, the Pyrenees, and other places ; in England, in Middle- 

 ton, Teesdale ; and in Rock Forest, Clare, in Ireland. Height 2 ft. to 4 ft. 

 Flowers yellow ; July and August. Fruit brown ; ripe in October. 



346. Fotentilla fruticusa. 



