550' 



ROSACES. XII. POTENTILLA. 



88 P. CLUSIANA (Jacq. austr. 2. t. 116. Sims, bot. mag. 

 1 327.) stems ascending, few-flowered, purplish, pubescent ; 

 radical leaves quinate, cauline ones ternate ; leaflets oval-cunei- 

 form, pubescent, tridentate at the apex, with the teeth connivent ; 

 stipulas ovate-lanceolate, entire ; petals roundish, hardly longer 

 than the calyx. I/. H. Native of Austria, Styria, Carniola, 

 Tyrol, and Salisburg, on rocks and among stones. P. caules- 

 cens /3 Clusiana, Poir. suppl. 5. p. 595. P. caulescens, Scop. 

 fl. earn. ed. 2. vol. 1. p. 361. Corymbs terminal. Corolla large, 

 white. 



Clusiiis',i Cinquefoii. Fl. June, Aug. Clt. 1806. PI. | foot. 



89 P. CAULE'SCENS (Lin. spec. 713.) downy; stem erect, weak, 

 many-flowered, pilose ; radical leaves quinate, cauline ones ter- 

 nate ; leaflets obovate, connivently serrated at the apex, with 

 pilose margins ; stipulas entire ; petals obovate-cuneiform, 

 hardly emarginate, longer than the calyx. Tf.. H. Native of 

 the south of Europe, on the higher Alps. Jacq. aust. 3. p. 11. 

 t. 220. Sturm, deutsch. fl. fasc. 1. with a figure. P. albavar. 

 Lam. fl. fr. 3. p. 118. Peduncles crowded at the tops of the 

 stems. Corolla white. 



Caulescent Cinqnefoil. Fl. May, July. Clt. 1759. PI. ^ ft. 



90 P. GLAU'CA (Moris, clench, sard. p. 18.) plant very 

 clammy ; stems ascending ; radical leaves quinate, cauline ones 

 ternate or simple ; leaflets obovate-cuneiform, pubescent on 

 both surfaces, bluntly and unequally many-toothed at the apex. 

 7/ . H. Native of Sardinia. Habit of P. caulescens, Lin. but 

 differs from it in the teeth of the leaflets being more close. 



Glaucous Cinquefoii. PI. -| foot. 



91 P. A'I.BA (Lin. spec. 713.) stems procumbent, weak, few- 

 flowered ; lower leaves quinate, upper ones ternate ; leaflets ob- 

 long, connivently serrated at the apex, smoothish above, but 

 clothed with silky canescent down beneath ; stipulas lanceolate, 

 entire; petals obcordate, longer than the calyx. l/.H. Native 

 of middle and south Europe and Caucasus. In Wales in moun- 

 tainous woods according to Mr. Haviland, but not observed by 

 any other person. Smith, engl. bot. 1384. Jacq. austr. 2. t. 

 115. P. nitida, Scop. earn. ed. 2. vol. 1. p. 362. P. Clusiana, 

 Gesh. cat. seep. no. 272. P. cordata, Braune, fl. salisb. 2. p. 

 80. Fragaria alba, Crantz. Pedicels axillary and terminal. 

 Flowers white. 



7P/<i/e-rlowered Cinquefoii. Fl. Feb. Aug. Wales. PI. pros- 

 trate. 



92 P. ALCHEMILLOIDES (Lapeyr. act. toul. 1. p. 212. t. 17.) 

 stems erectish, many-flowered ; leaves with 5 or 7 leaflets ; leaf- 

 lets oblong-lanceolate, tridentate at the apex, the teeth conni- 

 vent, glabrous above, but with silky-silvery down beneath ; sti- 

 pulas of radical leaves subulate, of cauline ones ovate-lanceo- 

 late ; outer calycine segments lanceolate ; petals ovate-oblong, 

 emarginate, a little longer than the calyx. Tf.. H. Native of 

 the Pyrenees, among rocks. P. Pyrenaica, Schlecht. Flowers 

 white. 



AlchcmUla-like Cinquefoii. Fl. July, Aug. Clt. 1823. PI. 1 ft. 



93 P. COMAROIDES (Hunib. et Bonpl. ex Nestl. pot. 62. t. 4. 

 f. 3. and Kunth, nov. gen. amer. 6. p. 217.) stems firm, erectish ; 

 radical leaves quinate, cauline ones ternate ; leaflets elliptic, 

 usually 5-toothed at the apex, smoothish above, but clothed 

 with silky hoary down beneath ; stipulas entire ; petals obcor- 

 date, much longer than the calyx. Tf.. H. Native of Mexico, 

 on mount Jorullo at the height of 1600 feet. P. rubra, Schlecht. 

 in berl. mag. nat. 291. Corolla dark purple. 



Comarum-like Cinquefoii. Fl. Sept. PI. -f foot. 



94 P. COLORA'TA (Lehm. sem. hort. hamb. 1821. p. 8.) stems 

 erect, purple ; lower leaves quinate, with obovate-lanceolate 

 leaflets ; upper leaves ternate, with lanceolate leaflets ; leaflets 

 serrated, and beset with silky incumbent pili ; stipulas ovate, quite 

 .entire, sheathing ; petals obcordate, veiny, longer than the calyx. 



l/.H. Native of Nipaul. P. Nepalensis, Hook. exot. fl. t. 88. 



P. formosa, D.Don, prod. fl. nep. p. 232. Flowers beautiful purple. 



Coloured Cinquefoii. Fl. Ju. July. Clt. 1822. PI. 1 to 1| ft. 



95 P. RUSSELLIA'NA (Sweet, fl. gard. t. 279.) villous ; stems 

 branched, diffuse ; radical leaves petiolate, ternate, quaternate 

 or quinate ; leaflets ovate or obovate, obtuse, deeply serrated, 

 feather-nerved, rather silky beneath ; stipulas adnate, ovate- 

 lanceolate, acuminated ; calycine segments lanceolate, acute ; 

 petals large, obcordate. I/. H. A hybrid between P. formosa 

 and P. atrofurpurea. Petals bright scarlet, with a darker base. 



Russell' s Cinquefoii. Fl. June, Aug. Hybrid. PI. li foot. 



96 P. HOPWOODIA'NA (Sweet, fl. gard. 2. ser. t. 61.) stems as- 

 cending, clothed with villi ; lower leaves with 5-6 leaflets, upper 

 ones ternate ; leaflets oblong-cuneiform, coarsely toothed, hairy 

 on both surfaces ; calycine segments ovate, acuminated ; petals 

 obcordate, imbricated, longer than the calyx. 11 . H. A hybrid 

 between R. formosa, impregnated by the pollen of P. recta. 

 Petals beautifully variegated, marked with a spot of deep rose 

 colour at the base, and from it to the centre of a pale straw colour, 

 edged with bright rose colour. Lindl. bot. reg. t. 1383. 



Jlopwood's Cinquefoii. Fl. June, Jul. Hybrid. PI. 1^ ft. 



97 P. MACKAYA'NA (Sweet, fl. gard. 2. ser. t. 42.) villous ; 

 stems ascending, branched; leaves flaccid, radical ones quinate; 

 leaflets oblong-cuneated, coarsely and bluntly toothed ; cauline 

 leaves ternate, few-toothed ; stipulas ovate, acute, quite entire ; 

 petals obcordate, undulated, a little longer than the calyx. 

 I/ . H. A hybrid, produced from P. formosa impregnated by the 

 pollen of P. opdca. Petals pale yellow tinged with red, and 

 light red at the base. 



Mackay's Cinquefoii. Fl. June, Oct. Hybrid. PI. 1| ft. 



3. Leaves pinnately digitate. 



98 P. DIVERSIFOLIA (Lehm. pug. 2. p. 9. Hook, fl. bor. 

 amer. 190.) stems ascending ; radical leaves pinnate, with usually 

 3 pairs of leaflets, and quinate ; cauline leaves with 2 pairs of 

 leaflets, digitate or ternate ; leaflets cuneiform, coarsely and 

 deeply toothed above, and clothed with silky pili at the apex ; 

 stipulas ovate-lanceolate, quite entire; petals obcordate, longer 

 than the calyx. 7 . H. Native of North America, in the 

 alpine prairies, as well as of the higher summits of the Rocky 

 Mountains between lat. 52 and 56. Corolla yellow. 



Diverse-leaved Cinquefoii. PI. ^ to 1 foot. 



99 P. PULCHE'RRIMA (Lehm. pug. 2. p. 10. Hook, fl. bor. 

 amer. p. 190.) stems ascending, villous; leaves impari-pinnate ; 

 leaflets crowded, elliptic, equally serrated, beset with adpre.ssed 

 pili above and clothed with white tomentum beneath ; stipulas 

 ovate, acute, quite entire, woolly ; petals entire, longer than the 

 calyx, y.. H. Native of North America, in the prairies as well 

 as on the dry banks of the Rocky Mountains, between lat. 52 

 and 56. Corolla golden yellow. 



Very fair Cinquefoii. Pi. foot. 



100 P. RUBIIICAU'LIS (Lehm. pug. 2. p. 11. Hook, fl. bor. 

 amer. p. 191.) stem ascending ; radical leaves pinnate, with 2 

 pairs of leaflets, cauline ones ternate ; leaflets approximate, ob- 

 long, pinnatifidly serrated, glabrous above and tomentose be- 

 neath ; stipulas quite entire ; petals obcordate, exceeding the 

 calyx a little ; receptacle smoothish. 7. H. Native of North 

 America, about Bear Lake, in lat. 66. Flowers golden yellow, 

 disposed in a dichotomous panicle. 



Red-stemmed Cinquefoii. PI. 1 foot. 



101 P. PULCHE'LLA (R. Br. chl. melv. p. 193.) stems pro- 

 cumbent; usually 1-flowered; leaves pinnate, with 2 pairs of 

 leaflets, clothed with silky tomentum beneath ; leaflets 2-3-lobed 

 or linear, entire, with revolute edges, the terminal or odd one 

 pinnatifid ; stipulas ovate, sheathing; styles glandular and dilated 

 at the base ; petals obovate, emarginate, length of calyx. If. . H. 



