ROSACEiE. XII. POTENTILLA. 



557 



Native of the islands of the Arctic sea ; shores of the mainland 

 between the Coppermine and Mackenzie rivers. Corolla yellow. 



Pretty Cinquefoil. PI. procumbent. 



102 P. Ruthe'nica (Willd. spec. 1079.) stem erect, diffuse, 

 pilose; radical leaves quinately-pinnate, cauline leaves ternate ; 

 leaflets hairy, obovate, unequally and deeply serrated ; stipulas 

 oblong-lanceolate, outer side toothed ; petals shorter than the 

 calyx. %, H, Native of Siberia. 



panicled on the tops of the branches pedicels hairy, primary 

 ones solitary in the forks of the stem. 

 iJtw^ian Cinquefoil. Fl. May, June. Clt. 1799. PL 1 to 2 ft. 



103 P. DiFFu'sA(Willd. enum 555.) stem diffuse, beset with 

 spreading pili ; radical leaves quinately pinnate, cauline ones 

 ternate; leaflets lanceolate, unequally and coarsely serrated, 

 beset with spreading pili on both surfaces ; primary pedicels 

 solitary; petals retuse, shorter than the calyx. If. H. Native 

 country unknown. Flowers small, yellow, panicled at the tops 

 of the branches. 



Diffuse Cinquefoil. Fl. May, July. Clt. 1817. PL 1 foot. 



104 P. Dombe'yi (Nestl. pot. p. 38. t. 5. f. 2.) stems decum- 

 pent, pilose ; leaves quinately pinnate, upper ones ternate ; 



Geum-like Cinquefoil. FL Ju. Jul. Clt. 1820. PL 1 to 1^ ft. 



109 P. fragarioi'bes (Lin. spec. 710.) stem erect, dichoto- 

 mous, with creeping stolons issuing from the base ; radical leaves 

 pinnate, cauline ones ternate ; leaflets oval, sharply serrated, 

 silky-pilose, outer ones larger and more confluent ; stipulas 

 serrated ; petals obovate-cuneiform, a little longer than the 

 calyx. %. H. Native of Siberia. Lehm. pot. t. 4. Gmel. 

 Flowers small, yellow, fl. sib. 3. t. 34. f. 2. P. poterioides, Schlecht. beroL mag. ann. 



7. p. 286. 

 nicies. 



Plant pilose. Flowers yellow, in corymbose pa- 



Strarvberry-like Cinquefoil. FL May, Ju. Clt. 1773. PL|ft. 



110 P. piMPiNELLOi DES (Lin. spec. 711.) stem erect, pilose; 

 leaves pinnate; leaflets about equal, roundish, dentately serrated, 

 pilose ; stipulas cut ; petals obcordate, a little longer than the 

 calyx. 1/. H. Native of America, among stones. Nestl. pof, 

 32. t. 2. f. 1. Buxb. cent. 1. t. 48. Flowers yellow, disposed 

 in dichotomous panicles. 



Pimpernel-like Cinquefoil. FL Ju. Aug. Clt. 1758. PL 1 ft. 



111 P. cicuTARiiEFoLiA (Willd. spcc. 2. p. 1098.) stem erect, 

 beset with adpressed pili; leaves pinnate; leaflets cuneiform, 

 deeply toothed, with a few hairs on both surfaces ; stipulas 



about equal in length to the calyx; receptacle glabrous. 1/. H. 



Native of Galatia. 



NestLpot. t. 2. f. 2. 



Flowers yellow, about 



of 



the size of those of P. argentea* Leaves resembling tl 

 Erodium cicutdrtum. 



Cicutarium-leaved Cinquefoil. 



FL June, Aug. 



Clt. 1818. 



leaflets obovate, cuneiform, hardly pilose, serrated at the apex ; nearly entire ; flowers in corymbose panicles ; petals obovate, 

 stipulas lanceolate, acute, entire ; petals a little longer than the 

 ^yx; receptacle hairy ; carpels glabrous. "3/. H. Native of 

 Chili. Corolla yellow. 



Dombey's Cinquefoil. PL decumbent. 



§ 4. Leaves pinnate. Flowers yellow. 



105 P. bifu'rca (Lin. spec. 711.) roots creeping; stems as- 

 cending ; leaflets about equal in size, bifid or entire, outer ones 

 confluent ; stipulas oblong, entire, or a little cut ; flowers sub- 

 corymbose ; pedicels pilose ; petals obovate, entire, longer than 

 the calyx. %, H. Native of Iberia, Siberia, and Silesia.— 

 ^mel. itin. 1. t. 37. f. 1. Corolla pale yellow. 



far. /3, subsericea (Ser. mss. in D. C. prod. 2. p. 580.) stems, 

 ^ o' ^^^ calyxes smaller, and clothed with rather silky down. 

 ^* H. Native about Astracan. 



Far. 



%. H. 



Led. fl. alt. 2. p. 246.) 

 Native of Dahuria 



aces. 



^^K y, monstrosa (Fisch. gor. in litt. 

 ^I'anches much crowded, short, -^f - 

 ^d Altaia, in sterile salt pL 



^orAe(/-leaved CinquefoiL FL May, Ju. Clt. 1773. PL^ft. 



106 P. ASTRAGALiFOLiA (Led. fl. ross. alt. ill. t. 328. fl. alt. 2. 

 P* *46,) plant clothed with silky villi ; stems prostrate, nearly 



aness ; radical leaves pinnate, usually with 6 pairs of leaflets ; 

 'Janets oblong, quite entire, or 2-3-parted, upper ones rather 



nfluent, terminal or odd one trifid ; cauline leaves small, sim- 

 P > entire, or wanting ; stipulas oblong, entire, or cut a little ; 

 ^tajs nearly orbicular, twice the length of the calyx. 1/ . H. 



ative of Altaia, in sterile deserts on the right bank of the river 



\r}^' Flowers pale yellow, 2-4, terminal. 



l^nr p ^''^'^^'^^^'^ Cinquefoil. FL June. PL prostrate, 

 y ,. '^' Japonica (Blum, bijdr. 1105.) stolons decumbent; 

 w'tK *f^ves pinnate, usually with 3 pairs of leaflets, beset 

 aha i^'^'S^^^ villi 5 cauline leaves ternate ; leaflets obovate, 

 trifiT ^^^'"^^^^t outer ones largest and approximate ; stipulas 

 ^«<1 at the apex. % . H. Native of Japan. 



,J^«;^ Cinquefoil. PL creeping, 

 ere t i ^^^^'^^^ {^\eh. fl. taur. 1. p. 404.) plant hairy ; stems 

 out ^^^'^^ pinnate; leaflets roundish, a little lobed, hairy, 

 ^^ er ones the largest ; stipulas multifid ; particle somewhat di- 

 Peul^^^t"^ ; calycine segments obtuse, denticulated at the apex ; 

 \^^ obovate, entire, about equal in length to the calyx. If. H. 

 T I*^ ®f Tauria, among rocks towards the top of Mount 

 ^«:^aturdag. Lehm. pot. t. 2. P. fragarioides, Habl. 147. but 

 ^ ot Lin. Corolla yellow, about the size of those of Geum 



PL ^ to 1 foot. 



112 P. supi'na (Lin. spec. 711.) stems decumbent, diclioto- 

 mous ; leaves pinnate ; leaflets oblong, deeply serrated ; stipulas 

 ovate, entire ; pedicels axillary, solitary ; petals obovate, length 

 of calyx. % . H. Native of Europe and Siberia, also of North 

 America, in the plains of the Saskatchawan. Jacq. fl. aust. 5. 

 t. 406. — Gmel. itin. vol. 1. t. %1. f, 1. P. prostr^ta, Haenke. 

 Corolla small, yellow. 



Supine Cinquefoil. FL June, Aug. Clt. 1696. PL prostr. 



113 P. EFFu'sA (Dougl. mss. Hook. fl. bor. amer. p. 187.) 

 plant clothed with hoary tomentum ; stems ascending, weak ; 

 leaves interruptedly pinnate ; leaflets oblong, deeply serrated ; 

 flowers in dichotomous panicles ; stipulas lanceolate, acumin- 

 ated, entire ; petals obcordate, equal in length to the sepals, 

 which are acuminated. 1/ . H. Native of the north-west coast 



of America, on the elevated grounds of the Assinaboyne, and the 

 higher parts of the Red river. Receptacle villous. Corolla 

 golden yellow. 



Effuse Cinquefoil. PL ascending. 



114 P. Pennsylva'nica (Lin. mant. 76.) stem erect, rather 

 pilose ; leaves interruptedly pinnate, clothed with hoary tomen- 

 tum ; larger leaflets oblong, truncate, deeply serrated, smaller 

 ones quite entire, about the size of the segments of the larger 

 ones; stipulas lanceolate, usually entire, but sometimes with a 

 few teeth ; petals obcordate, a little longer than the calyx. 

 11. H. Native of the south of Europe, North America, and 

 Siberia, plentiful. Jacq. hort. vind. 2. t. 189. P. hispida, Poir. 

 suppL 4. p. 538. Willd. enum. 553. Panicle branched. 

 Flowers yellow. 



Far. /3, strigosa (Lehm. pot. p. 55.) leaflets somewhat pecti- 

 nately pinnatifid; segments with revolute margins; stipulas 

 jagged. 1/. H. Common in North America and Siberia. P. 

 pectinata, Fisch. in litt. 



Peiinsylvanian Cinquefoil. 

 1 to 2 feet. 



P. absinthifolia, Dougl. 



FL June, Aug. Clt. 1725. PL 



115 P. Missou'rica (Horn, ex LindL hot. reg. 1412.) stem 

 erect ; leaves pinnate, with usOally 3 pairs of leaflets, hoary and 

 silky above, and clothed with white down beneath ; leaflets ob- 

 long, pinnatifid, with the segments lanceolate-linear and acute ; 



