560 



ROSACE^E. XII. POTENTILLA. 



calyx. If . H. Native of Siberia. Flowers yellow, crowded 

 at the tops of the branches. 



Verticillate-\ea.veA Cinquefoil. PI. \ foot. 



141 P. LINEARI'LOBA (Moc. et Sesse, fl. mex. icon. t. 298. 

 D. C. prod. 2. p. 582.) root thick, turnip-formed ; stems pros- 

 trate, 1-2-flowered ; leaves silky; radical ones bipinnate, cauline 

 onesl-lobed; leaflets linear-obovate ; stipulas lanceolate, nar- 

 row; calycine segments ovate; petals obcordate, length of the 

 calyx. If . H. Native of Mexico. Flowers yellow. Allied 

 to P. anserma. 



Linear -lobed-\e&ve& Cinquefoil. PI. prostrate. 



142 P. APPROXIMA'TA (Bunge in Led. fl. ross. alt. ill. t. 325. 

 fl. alt. 2. p. 211.) stems erect or ascending at the base, and are, 

 as well as the petioles, clothed with white villi ; radical and 

 lower cauline leaves with 7 leaflets, upper ones with 5 leaflets 

 or ternate, all pubescent and green above, but clothed with 

 hoary tomentum beneath, pectinately pinnatifid ; stipulas ovate- 

 lanceolate, entire, rarely furnished with a large tooth at the base ; 

 petals emarginate, longer than the calyx ; receptacle villous. 

 %. H. Native of Altaia, in dry grassy places at the river 

 Irtysch. Panicle dichotomous, with the pedicels solitary in the 

 forks. Corolla yellow. 



Approximate Cinquefoil. Fl. June, July. PI. ^ foot. 



143 P. CONFE'RTA (Bunge in Led. fl. ross. alt. ill. t. 333.) 

 root many-stemmed ; stems ascending, and are, as well as the 

 petioles, beset with long spreading villi ;. leaves pinnate ; leaflets 

 7-11, oblong- lanceolate, distant, pectinately pinnatifid, with re- 

 volute margins, green and pubescent above, and clothed with 

 hoary villi beneath ; stipulas broad-ovate, a little cut ; panicle 

 terminal, crowded ; petals obovate, rather retuse, about equal in 

 length to the calyx ; receptacle villous. If. . H. Native of Al- 

 taia, at the river Kerlyk. Corolla yellow. 



Crowded Cinquefoil. Fl. June, July. PI. -| foot. 



144 P. SooNOA'nicA (Bunge in Led. fl. ross. alt. ill. t. 332. fl. 

 alt. 2. p. 244.) stem loose, ascending at the base, puberulous ; 

 petioles clothed with white villi ; leaves pinnate ; radical ones 

 with 3-4 pairs of leaflets, those under the flower lanceolate and 

 entire, the rest of the cauline ones with 2 pairs of leaflets ; leaf- 

 lets cinereous beneath, superior ones deeply pinnate-parted, 

 lower ones smaller, lowest ones almost entire ; lower stipulas 

 pinnately jagged ; flowers in loose dichotomous panicles ; petals 

 obovate, somewhat emarginate, exceeding the calyx ; receptacle 

 villous. I/ . H. Native of Altaia, on the mountains of Arkul 

 and Dolen Kara in the Soongarian desert. Corolla yellow. 



Soongnruin Cinquefoil. Fl. May. PI. |- to 1 foot. 



145 P. EGE'DII (Wormsk. in fl. clan. 9. p. 5. t. 1578.) stem 

 short, rather branched ; leaves pinnate, quite glabrous ; leaflets 

 oval, pinnatifid ; segments lanceolate, acute ; pedicels axillary, 

 solitary, longer than the leaves ; stipulas quite entire : petals ob- 

 ovate, longer than the calyx. I/ . H. Native of Greenland, 

 near Holsteinborg. Corolla large, yellow. 



Eged's Cinquefoil. PI. 1 to 2 inches. 



146 P. SEIU'CEA (Lin. spec. 70.) stems hoary, pubescent ; 

 leaves pinnate ; leaflets ovate or obovate-oblong, deeply pinnate 

 parted, clothed with silky tomentum on both surfaces ; segments 

 linear, obtuse, with revolute margins; stipulas lanceolate, entire 

 or a little cut ; flowers in dichotomous panicles ; petals obcor- 

 date, twice the length of the calyx ; receptacle villous. If,. H. 

 Native of Siberia, on rocks at the rivers Tschuja, Koksun, and 

 Tscharysch. Lehm. pot. t. 6. Led. fl. ross. alt. ill. t. 334. 

 Corolla yellow. 



far. ft, glabrata (Hook. fl. bor. amer. p. 189.) leaves hardly 

 silky at the apex. I/. H. Native of North America, on the 

 Rocky Mountains between lat. 52 and 56. 



Silky Cinquefoil. Fl. May, Ju. Clt. 1780. PL -J- to | foot. 



147 P. DASYPHY'LLA (Bunge in Led. fl. ross. alt. ill. t. 331. 



fl. alt. 2. p. 243.) stems ascending, rather villous; leaves pin- 

 nate ; leaflets oblong, pinnate-parted ; segments oblong-linear, 

 bluntish, green and pubescent above, but clothed with hoary- 

 silky villi beneath ; stipulas ovate-lanceolate, entire ;. panicle ter- 

 minal, few- flowered; petals obovate, entire, longer than the 

 calyx ; receptacle rather villous. I/ . H. Native of Altaia, on 

 rocks at the rivers Korgon, Tscharysch, Koksun, and Tschuja, 

 in the Soongarian desert. Corolla yellow. 



Thicli-lcared Cinquefoil. Fl. May. PI. -| foot. 



148 P. MULTI'FIDA (Lin. spec. 710.) stems ascending, pubes- 

 cent ; leaves pinnate, with few pairs of leaflets ; leaflets pinnate- 

 parted ; segments linear, green and pubescent above, and cloth- 

 ed with hoary tomentum beneath ; stipulas linear-lanceolate, acu- 

 minated, entire; flowers corymbose; petals emarginate, about 

 equal in length to the calyx ; receptacle pilose. I/. H. Native 

 of Switzerland, Siberia, Altaia, and Dahuria, in subalpine places, 

 and in rather humid meadows. Ser. mus. helv. 1. p. 56 and 79. 

 t. 8. P. verticillaris, Willd. ? Aram. ruth. p. 88. t. 113. f. 13. 

 Flowers yellow. 



Var. ft, angustifdlia (Lehm. pot. p. 64.) leaflets more pro- 

 foundly pinnate-parted, the segments much longer, and more 

 distant. 



Multifid-\eaved Cinquefoil. Fl. May, June. Clt. 1759. PL 

 ^ to | foot. 



149 P. CORIANDRIFOLIA (D. Don, prod. fl. nep. p. 232.) plant 

 tufted, nearly glabrous ; stems simple, few-flowered, nearly leaf- 

 less ; radical leaves very numerous, pinnate ; leaflets profoundly 

 pinnate-parted ; segments linear, ending each in a tuft of long 

 white hairs, tipped with obtuse glands ; stipulas lanceolate, acute, 

 and entire ; petals 2-lobed, twice the length of the calyx. If. . 

 F. Native of Gosaingsthan. P. meifolia, Wall. cat. no. 1011. 

 Corolla yellow. 



Coriander-leaved Cinquefoil. PI. -J- to -J foot. 



150 P. DISSE'CTA (Pursh, fl. sept. 1. p. 355.) plant nearly 

 glabrous ; stems erect, loose ; radical leaves pinnate ; lower 

 leaflets lanceolate, quite entire, upper ones cuneiform, pinnatifid ; 

 cauline leaves digitately-pinnate, the lateral leaflets the smallest ; 

 stipulas large, entire or denticulated ; flowers pedunculate at the 

 tops of the stems ; petals obovate, hardly longer than the calyx. 

 Tf. . H. Native of Hudson's Bay. Flowers pale yellow, corym- 

 bose. 



L>issccted--\eaved Cinquefoil. PL i foot. 



5. Leaves pinnate. Floners nhite. 



151 P. RUPE'STRIS (Lin. spec. 711.) stems erect, dichotomous, 

 reddish brown ; radical leaves pinnate, cauline ones ternate ; 

 leaflets roundish, cuneated at the base, serrate-toothed ; stipulas 

 undivided; petals obovate, longer than the calyx. If. H. Na- 

 tive of Europe and Siberia, in mountainous regions. In Wales 

 on the sides of a hill called Craig Wrcidhin or rather Breddin, 

 Montgomeryshire, but a doubtful native. Jacq. austr. 2. p. 91. 

 t. 114. Ser. mus. helv. 1. p. 65. t. 6. f. 2. Smith, engl. bot. 

 2058. Krok. fl. sil. 2. t. 9. P. riibens, Mcench. meth. p. 657. 

 P. fragarioidcs, Poir. suppl. 5. p. 586. Outer calycine segments 

 usually bifid according to Lede'uour, but linear and shorter than 

 the inner ones according to Lehman. According to Smith the 

 petals are obcordate in the British plant, if so it is a distinct 

 species. Corolla white. 



Rock Cinquefoil. Fl. May, Sept. England. PL 1 to li foot. 



6. Shrubby species. 



152 P. FRUTICOSA (Lin. spec. 709.) shrubby ; leaves pinnate ; 

 leaflets oblong-lanceolate, quite entire, hairy ; flowers subcorym- 

 hose ; stipulas lanceolate, scarious, pilose above ; petals ob- 

 ovate-roundish, longer than the calyx. Jj . H. Native of 

 Poland, Germany, Dahuria, Piedmont, and the Pyrenees. In 



