550 



ROSACES. XII. POTENTILLA. 



in America, Labrador, the mountains and alpine prairies from 

 Carlton House to the Rocky Mountains, and to the shores of 

 the Arctic sea. Vahl. fl. dan. 1035. Hook, in bot. mag. 

 2982. Lodd. bot. cab. 460. Flowers yellow. 



far. ft, macroplnjlla (Ser. mss. in D. C. prod. 2. p. 571.) 

 petioles elongated ; leaflets larger ; flowers larger. P. nivea ft, 

 pallidior, Swartz, exLehm. pot. 184. P. leucophy'lla, Pall. itin. 

 3. p. 191. exBieb. fl. taur. snppl. 359. Gmel. sib. 3. t. 37. f. 1. 



/ nr. y, concolor; leaves the same colour and rather villous on 

 both surfaces. 



far. i>, prostrata (Retz. prod. ed. 1. p. 97. ex Lehm. pot. 

 1 84.) flowers glomerate. 



07fe-leaved Cinquefoil. Fl. Ju. Aug. Clt. 1816. PI. asc. 



2 P. ANGUSTIFOLIA (Schlcclit. berl. mag. ann. 7. p. 296. and 

 Lehm. pot. p. 186. t. 19. but not of D. C.) stems ascending, 

 few-flowered ; leaves ternate ; leaflets oblong-lanceolate, smooth- 

 ish above and densely clothed with white tomentum beneath, 

 with pectinately-serrated, revolute edges ; serratures piliferous 

 at the apex ; calyx white ; the segments about equal in length 

 to the petals. I/ . H. Native of Eastern Siberia. P. leuco- 

 phylla, Fisch. in litt. Flowers yellow. 



Narrow-leaved Cinquefoil. Fl. May, June. Clt. 1820. PI. 

 ascending. 



3 P. MACRA'NTHA (Led. in act. nov. soc. petr. 5. p. 541. no. 

 30. fl. alt. 2. p. 260.) stems oblique, few-flowered ; leaves ter- 

 nate ; leaflets ovate-oblong, deeply serrated, beset with spread- 

 ing pili above and on the flat margins, but clothed with white 

 villi beneath ; petals obcordate, twice the length of the calyx ; 

 stipulas green. I/ . H. Native of Siberia, beyond the Baikal 

 and in subalpine places at the river Tscharysch, and of Kamt- 

 schatka. P. nivea y, Camtschatika, Schlecht. et Cham, in Lin- 

 naea. 2. p. 21. Flowers yellow. 



Var. ft, uniflbra (Led. 1. c.) stem erect, 1-flowered ; leaflets 

 obovate, rather retuse. If. . H. Native of Dahuria. 



Large-jtorvered Cinquefoil. Fl. April, May. Clt. 1820. 

 PI. J foot. 



4 P. MI'NIMA (Hall. fil. in Schleich. cent, exsic. 1. no. 59.) 

 steins diffuse, filiform, 1-flowered; leaves ternate, smoothish 

 above but pilose beneath ; leaflets obovate, short, crenated, and 

 rather retuse ; calycine segments obtuse, shorter than the corolla. 

 2f. H. Native of the alps of Switzerland, and Salisburg. Ser. 

 mus. helv. 1. p. 51. t. 8. Lodd. bot. cab. 480. P. Brauniana, 

 Nestl. in litt. but not in mon. pot. t. 10. f. 4. Hoppe in Sturm, 

 deutschl. fl. with a figure. P. verna y, nana, D. C. fl. fr. 5. 

 p. 542. P. verna a, alpestris, Wallr. sched. p. 228. P. frigida 

 ft, D. C. fl. fr. 4. p. 4(52. Flowers yellow. Perhaps only a 

 small variety of P. aurea, Lin. 



Var. ft, Brauniana (Ser. mss.) leaflets cuneated, toothed ; 

 flowers larger ; calycine segments acute. P. Brauniana, Nestl. 

 pot. 70. t. 10. f. 4. but not of Hoppe, exclusive of nearly all the 

 synonymes. 



Smallest Cinquefoil. Fl. May, June. Clt. 1818. PI. \ foot. 



5 P. E'LEGANS (Cham, et Schlecht. Linneea. vol. 2. p. 22.) 

 stem erect, 1-flowered; leaves petiolate, smoothish, ternate; 

 leaflets deeply lobed ; lobes linear, obtuse, entire, and trifid ; 

 stipulas membranous, acute ; petals obcordate, longer than the 

 calyx. I/ . H. Native of Kamtschatka. Flowers yellow. 



Elegant 'Cinquefoil. PI. ^ foot. 



6 P. OE'LIDA (Meyer, verz. pfl. 146.) plant rather pilose ; 

 radical leaves ternate ; leaflets obovate-roundish, toothed ; 

 stipulas obovate, obtuse, almost quite entire ; stems filiform, 

 decumbent, usually 3-flowered ; petals obcordate, twice the 

 length of the calyx, outer segments of the calyx elliptic, obtuse, 

 inner ones longer, lanceolate, acute. Tf.. H. Native of Cauca- 

 sus. P. grandiHora, Bieb. fl. taur. 1. p. 409. Allied to P. 

 Brauniana and P. glacialis. Flowers yellow. 



I'ar. a, gltilrior ('Meyer, 1. c.) leaflets smoothish, bluntly 

 toothed ; stipulas very blunt. 



Var. ft, pilosior (Meyer, 1. c.) leaflets more or less pilose, 

 acutely toothed ; stipulas bluntish or acutish. 2f , H. Native 

 on the alps of Kasbek, at the height of 2300 feet. 



Cold Cinquefoil. PI. decumbent. 



7 P. HELVETICA (Schleich. cat. 1897. p. 20.) plant very- 

 pilose ; root thick ; stems tufted, rather diffuse, few-flowered ; 

 leaves ternate ; leaflets ovate, pectinately toothed ; the teeth 

 rather imbricated ; calycine segments bluntish, shorter than the 

 corolla. If. H. Native of Vallais and Switzerland, on the 

 mountains. P. frigida , D. C. fl. fr. 4. p. 3748. 1'. Norve- 

 gica, Sut. fl. helv. 1. p. 310. but not of Lin. 



Sti'iss Cinquefoil. Fl. April, June. Clt. 1819. PI. |- foot. 



8 P. FRI'GIDA (Vill. dauph. 3. p. 563. ex Nestl. pot. 70. t. 10. 

 f. 3. exclusive of the synonymes) plant very pilose ; root thick ; 

 stems tufted, rather diffuse ; leaves ternate ; leaflets ovate, cre- 

 nated ; calycine segments lanceolate, longer, or equal in length 

 to the petals, which are obcordate. % . H. Native of the alps 

 of Dauphiny. Flowers yellow. 



Frigid Cinquefoil. Fl. April, June. Clt. 1819. PI. A foot. 



9 P. GRANDIFLORA (Lin. spec. 715.) stem ascending, few- 

 flowered ; leaves ternate ; leaflets obovate, cuneated at the base, 

 deeply serrated, pilose ; stipulas large ; petals obcordate, twice 

 the length of the calyx ; receptacle pilose. If. H. Native of 

 the alps of Europe and Siberia. Lehm. pot. 164. Curt. bot. 

 mag. 75. Hall. hist. no. 1114. t. 20. f. 1. Gmel. sib. 3. p. 

 183. no. 83. t. 36. f. 1. Flowers large, yellow. 



Var. ft, Pyrenaica (Ser. in D. C. prod. 2. p. 573.) leaflets 3 

 and 5. I/ . H. Native of the Pyrenees. P. Pyren4ica, Ram. 

 in D. C. fl. fr. 4. p. 459. and 5. p. 452. 



Var. y, minor (Venetz, in litt.) stem and leaves smaller. If . H. 

 Native of Vallais. 



Great -flowered Cinquefoil. Fl. Ju. Jul. Clt. 1640. PI. asc. 



10 P. FRAGIFOHMIS (Willd. in mag. der. gesell. nat. freunde, 

 p. 294. Lehm. pot. p. 165. t. 15.) stem erect, few-flowered; 

 leaves ternate ; leaflets roundish-obovate, bluntly toothed, beset 

 with spreading pili on both surfaces, and having the margins 

 villous ; petals obcordate, a little longer than the calyx. If. H. 

 Native of the Aleutian Islands. Flowers yellow. 



Stranberry-l'ike Cinquefoil. Fl. Ju. Jul. Clt. 1800. PI. 1 ft. 



11 P. RETU'SA (Oed. fl. dan. 799.) hairy; stems erect, few- 

 flowered ; leaves ternate ; leaflets cuneiform, tridentate at the 

 apex, pilose ; stipulas entire ; petals obovate, longer than the 

 calyx. If. H. Native of Denmark. Flowers yellow. 



Iteliise-leaved Cinquefoil. PI. ^ foot. 



12 P. VILLOSA (Pallas, ex Pursh, fl. amer. sept. 1. p. 353.) 

 stem ascending, few-flowered ; leaves ternate ; leaflets roundish- 

 curjeiform, serrated, clothed with silky villi above, and with 

 hoary tomentum beneath ; petals obcordate, twice the length of 

 the calyx. If . H. Native of North America, on the west 

 coast, Dundas Island, Unalaschka and about Behring's Straits, 

 Kotzebue's Sound, &c. Lehm. pot. p. 166. t. 16. P. lucida, 

 Willd. in berl. mag. ann. 7. p. 296. Corolla large, golden yellow. 



Villous Cinquefoil. Fl. June, July. Clt. 1820. PI. i foot. 



13 P. NORVE'GICA (Lin. spec. 715.) stem erect, dichotomous 

 at the apex ; leaves ternate, petiolate ; leaflets oblong, acutely ser- 

 rated, beset with spreading pili ; pedicels axillary ; petals obovate, 

 shorter than the calyx. $ . H. Native of Lapland, Norway, 

 Siberia; North America, throughout Canada, Hudson's Bay, 

 Labrador, shores of the Columbia, at Fort Vancouver, and 

 towards the mouth of the river. Lehm. pot. 153. Oed. fl. 

 dan. 1. 171. P. millegrana and P. grossa, Dougl. in herb. hort. 

 soc. P. dichotoma, Mcench. Flowers small, pale yellow. 



Norwegian Cinquefoil. Fl. Ju. Jul. Clt. 1764. PI. \ to 1 ft. 



14 P. NA'NA (Schlecht. in berol. mag. ann. 7. p. 296. and 



