ROSACEA. XII. POTENTILLA. XIII. ToRMENTILLA. 



561 



England in mountainous thickets, but rare; about Greta-Bridge, 

 Mickleforce, Egglestone Abbey, and several other places in 

 Teesdale. Smith, engl. bot. t. 88. Nestl. pot, 30. t. 1. P. 

 prostr^ta, Lapeyr. abr. p. 67. Upper leaves sessile, ternate. 



calyic. Jp . H. Native of Gosaihgsthan and Kamaon. 



Flowers yellow. 



Stiff 

 159 P. 



Shrub 2 to 3 feet. 



^osA (Willd, herb, ex Spreng. syst. append, p. 



Leaves glabrous above, but when young beset with incumbent 344,) shrubby ; branches twisted, compressed ; leaves quinately 



pill beneath, and canescent. Flowers yellow. 



digitate; leaflets cuneated, truncate, 3-toothed at the apex ; pe- 



Shrubby Cinquefoil. Fl. Ju. Aug. England. Sh. 2 to 4 feet, duncles solitary. T? . H. Native of Hyrcania. 

 153 P. FLORiBu NBA (Poir. suppl. 4. p. 54. Pursh, fl. amer. Woody Cinquefoil. Shrub. 



sept. 1. p. S55.^ shrubby ; leaves pinnate, pilose, grey ; leaflets 

 lanceolate, quite entire ; flowers corymbose ; stipulas lanceolate, 

 scarious ; petals obovate-roundish, longer than the calyx. Vi . 

 H. Native of North America, throughout Canada from Lake 



f Species not svffictently known. 



160 P. Lagasca'na (Ser. in D. C. prod. 2. p. 586.) tomen- 

 tose ; leaves quinately pinnate ; leaflets cuneiform, cut ; floral 



Huron to the plains of the Saskatchawan and Bear Lake rivers ones ternate, with the leaflets sessile and trifid ; petals equal in 



under the Arctic circle, and from Newfoundland to the valleys length to the calyx ; receptacle hairy. If. H. Native country 



of the Rocky Mountains on both sides, Kotzebue's Sound, and unknown. P. incisa, Lag, gen. et spec. p. 16. but not of Desf. 

 Behring's Straits. Wats. dend. brit. 70. P. fruticosa /3, Nestl. 



pot. p. 30, 

 285. 



P. tenuifolia, Schlecht. in berol, mag, ann. 7. p. 

 Upper leaves ternate, sessile ? 



PI, I foot. 



Lagasca's Cinquefoil. 



161 P. coRYMBosA (Pour. act. toul. 3. p. 325.) stem shrubby, 

 ascending ; leaves quinate and ternate, villous. Jj , H. Native 



Flowers yellow. 



Bundle-flowered Cinquefoil. Fl. June, Oct, Clt, 1811. Sh. country unknown. 

 2 to 4 feet. * Corymbose-^ov^exeA. Cinquefoil. Shrub. 



154 i*. PARVIFOLIA (Fisch. in litt. Lehm. pug. 3. p. 6.) 162 P. Bithy^'nica (Horn. hort. hafn. suppl. 55.) stem much 



slirubby, branched ; leaves ternate, pilose on both surfaces ; branched ; radical leaves quinate ; leaflets roundish-obovate ; 

 lateral leaflets deeply bipartite, rarely bifid or entire, terminal cauline leaves ternate; petals shorter than the calyx. T2 . H. 

 one tripartite, with the segments divaricate, linear, with revolute Native of Bithynia. 

 inargins ; stipulas lanceolate, acuminated, membranous, scarious, 

 pilose above, purplish; flowers 2-3, terminal; petals obovate- 

 cuneiform, entire, much longer than the calyx. Tj . H. Native 

 of the Soongarian desert. Flowers yellow. Receptacle woolly. 



Small-leaved Cinquefoil. Shrub 2 to 4 feet. 



PI. -I foot. 



Bithynian Cinquefoil. 



Cult. All the species of Potentilla are of easy cultivation, and 

 some of them are handsome when in flower. They will grow in 

 any common garden soil, and are easily increased by dividing 

 the plants, or by seed. The shrubby kinds are very proper for 



155 P. Dahu'rica (Nestl. pot. 31. t, 1.) shrubby, nearly gla- the front of shrubberies, and they propagate freely by cuttings 

 wous ; lower branches horizontal, upper ones erect ; leaves im- planted in the autumn in a sheltered situation. 



pan-pinnate, with 5 leaflets ; leaflets oblong, quite entire, with 

 revolute margins, superior ones confluent ; flowers in terminal 

 corymbose panicles ; stipulas connate in one, pilose, scarious ; 



XIII. TORMENTFLLA (from tormentum, pain; in reference 

 to its supposed efficacy in tooth ache, as well as from being sup- 

 outer calycine segments oval, inner ones the largest, ovate, and posed to cure diseases of the bowels). Lin, gen. no, 256. Smith, 



engl. fl. 2. p. 423* 



Lin. syst. Icosdndria^ Polygynia. Calyx 8-parted, the 4 



floured ; petals obovate, entire, longer than the calyx. Tj . H. 

 Native of Dahuria, near Nertschinsk. P. fruticosa /3, Lehm. 



pot. 32. P. glabra, Lodd. bot. cab. t. 914. Led. fl. ross. alt. 

 "!• t. 173. Flowers white. 



Dahiirian Cinquefoil. 

 to 4 feet. 



Fl. June, Aug. Clt. 1818. Shrub 2 



bearing small yellow flowers. 



1 T. ere'cta (Lin. spec 



dichotomous ; leaves ternate 



156 P. Salesovii (Poir. suppl. 4. p. 538. Lehm. pot. p. 35. 



• !•) shrubby ; leaves pinnate, with 3-4 pairs of oblong sharply 

 serrated leaflets, clothed with white tomentum beneath ; stipulas 

 ovate, acuminated, entire ; flowers crowded at the tops of the 



ranches ; petals obovate, entire, longer than the calyx ; outer long, acute, deeply serrated ; 



calycine segments narrow, h • H. Native of Siberia. Corolla 

 white. 



^a^eme*^ Cinquefoil. Fl. June, Jul. Clt. 1823. Sh. 1 to 2 ft. plentiful in Britain. 

 ,157 P. arbxj'scula (D. Don, prod. fl. nep. p. 256. Wall. pi. brit. 552. engl. bot 

 I 'fl^'/^^J ^' ^* 228.) shrubby, much branched; leaves pinnate; 



outer segments accessory and narrowest. Petals 4, inversely 

 heart-shaped. Stamens 16 or more, not half so long as the 

 corolla. Styles lateral, deciduous. Carpels or akenia seated on 

 a small depressed hairy receptacle. — Herbaceous plants, with 

 weak terete stems, digitate leaves, and solitary lateral pedicels, 



ets 5, oval, obtuse, villous above, and naked beneath, when Hall. jun. in Ser. mus. 1. p. 57. 



716.) stem ascending, branched, 



cauline ones sessile ; leaflets ob- 



stipulas cut ; pedicels solitary in 



the forks of the stem, and lateral; petals obcordate. %, H. 



Native of Europe, in barren pastures, heaths, and bushy places ; 



Oed. fl. dan. 589. T. officinalis, Smith, fl. 



863. Curt. lond. fasc. 5. t. 35. Potentilla 



Tormentflla, Sibth. 162. Nestl. pot. 65. Potentilla tetrapetala, 



The flowers are sometimes to 



^ung silky on both surfaces ; peduncles elongated, 1 -flowered, 

 ^^^J^^j solitary, villous ; stipulas brown, lanceolate, obtuse, 



be met with having 5 petals, and a double blossomed variety 

 was found by the late Miss Jones, of Hafod, in Cardiganshire. 



I^embranous; calycine segments dissimilar, outer ones round- The roots are so astringent as to be used in the Western Isles 



Stems rooting. 



t ' ^"^^^se, deeply bipartite ; petals orbicular, entire, longer than 

 ge calyx. T?. H. Native of Gosaingsthan. P. Nepalensis, 

 JJ- iJon, prod. fl. nep. p. 229. but not of Hook. 



*Ws yellow. 



ilf^^^^^^ Cinquefoil. Shrub creeping. 



I , • J^i'gida (Wall. cat. 1009. Lehm. pug. 3. p. 3.) shrubby, 



V^ch branched ; leaves ternate ; leaflets oblong, entire, silky 



/>ve, and glabrous beneath, with revolute margins; flowers 



J^mal, usually solitary; stipulas broad, lanceolate, entire, 



embranous, sheathing ; outer calycine segments usually deeply 



'P^^^^e ; petals orbicular, deeply emarginate, twice the length 

 VOL. n. 



of Scotland and in the Orkneys for tanning leather; for which 



oak bark. 



purpose they are superior even to oak bark, liiey are at 

 first boiled in water, and the leather is then steeped in the cold 

 liquor. They are also used for dyeing a red colour. The root 

 has an austere styptic taste, with a slight kind of aromatic fla- 

 vour, and it is one of the most agreeable and efficacious of our 

 indigenous aromatic astringents, and may be employed witli 

 gooa effect in all cases where medicines of this class are proper. 

 It is sometimes given in powder, but usually in decoction. 



Erect Tormentil. Fl. June, July. IJritain. PI. | foot or pr. 



2 T. re'ptans (Lin. spec. 7IG.) stems procumbent, hardly 



4C 



