A08 ICOSANDRIA. rOLYGYNlA. poTENTiLLAi 



lanceolate ; inleriov yellowish, ovate, acuminate. Petals bright 

 yellow, obovale-roundish, entire, a little longer than the calyx* 

 Receptacle hemispherical, villous. 

 Hab. In bog meadows. New-Jersey. Abundant in Orange 

 county, New-York. June. 



The V.Horibunda oiPursh differs only in being of lower 

 and thicker growth, and with the flowers rather more numerous, 



8. P. Anserinq L. : stem creeping ; leaves interruptedly 

 pinnate ; leaflets numerous, incisely and very acutely serrate, 

 silky; pedicels axillary, solitary, as long as the leaves ; sti- 

 pules many-cleft. Lth jn. Potent, p. 7 1 . Willd. Spec, 

 II. p. 1095. Eng. Bot. t. 861. Mich. FL L p. 304. 

 Pur'sh FL I. p. 356. Big. Bost. p. 124. 



Root long, branched. Stems long, hairy, reddish. Leaves pe- 

 tiolate'; larger leaflets in 7—10 pairs, alternating with very 

 small ones, ovate-lanceolate, sessile, white and silky beneath, 

 green and hairy above, (sometimes silky on both sides.) Fe- 

 dicels hairy, arising from anxong the leaves. Calyx with the 

 exterior segments laciniate; the interior entire. Petals yellow^ 

 broad-obovate, nearly twice the length of the calyx. 



Hab. In wet meadows. On the banks of the Hudson, near 

 Troy. Eaton. Near Boston. Big e low. On the banks 

 of Lake Champlain. Michaux. June. 



Silver-weed.—- Wild-tansey. 



9. P. sripina L. : stem decumbent, dichotomous ; leaves 

 pinnate -, leaflets oblong, incisely serrate ; peduncles axillary, 

 solitary,' 1 -flowered. L ehm. Potent, p. 42. J acq. FL 

 JusL\.t^06. JilicA. H. I. p. 304. Pursk FLLi>. 

 356. 



Root annual. Flowers small, yellow. P/i. 

 Hab. In overflowed places on the banks of rivers. Canada to 

 Pennsylvania ; principally in the western parts thereof. June- 

 August." Pursh. 



10. P. palustris S c op. : root creeping ; stem ascending ; 

 leaves pinnate ; leaflets lanceolate, acutely serrate ; petals 

 lanceolate, acuminate, much shorter than the calyx. Lekm. 

 Potent p 52. P. Comarnm Js'' e s t. Potent, p. 30. Co- 

 UK^v^ipalu^tre L. Wi II d. Spec. 1 1 p. 1 1 1 9. Eng. Bot. 

 t. 172. Mich. FL I. p. 302. Pursh FL I. p. 386. 

 Big. Bost.^. 123. 



Root terete, creeping, astringent. Stem about a foot and a half 

 high, terete, smooth below, brownish-pubescent above. Infe- 

 rior leaves petiolate, with 5—7 leaflets; superior leaves ses- 

 sile, ternate ; leaflets oblong-lanceolate, rather obtuse, whitish 

 and' veined beneath, coarsely serrate. Sti/iules ovale, acute, 

 entire. Flowers terminal and axillary in the upper part of the 

 stem. Calyx coloured, spreading, hairy ; exterior segments 



