360 



LI. ROSACEA. (J. D. Hooker.) 



\_Pote7itilla. 



lobes acute ; "bracteoles very variable. Achenes on an elevated hairy receptacle.— 

 Reichenbach figures the petals as retuse ; they seem hardly so in our specimens, nor are 

 they so represented in Bot. Mag, Lehmann's name P. Sumersiana ^vibliBhed in 1820 has 

 the priority, but is suppressed by the author himself (Revis. 55). 



Var. intermedia', leaflets fewer more oblong slightly silvery beneath, calyx greea 

 sparsely silky or hairy as in P. Mooniana, — Sikkim at Jongri, alt. 13,000 ft., C. B» 

 Clarke. 



14 P. anserlna, X/rm. ; Boiss, FL Orient, ii. 707; rootstock sending 

 out long racemes, leaves lanceolate, leaflets 6-10 pair with minute alternating 

 ones obovate or oblong deeply sharply toothed silvery with white hairs h^ 

 neath, scapes from the rootstock and from nodes on the runners slender naked 

 1-flowered, achenes many. P. pseudo-anserina, Bertol, Misc, xxiv. 15, t. 3. 



Western Tibet, Piti, &c., alt. 12-16,000 ft., Thomson ; Balti prov. of Kashmib, 

 alt. 7700 ft, a B, C/ar^te.— DisTRiB. Kashgar, N. Asia, and from Persia westward to 

 the Atlantic, N. America, Australia. 



Rootstock very short ; racemes a foot and more long. Leaves forming a spreading 

 tufb from the crown, 2-10 in., green above, silky beneath ; leaflets ^-2 in., sessile, 

 smellier ones often minute lanceolate and entire ; stipules membranous. Floivers 

 |— 1 in. diam. ; scape 1-6 in. Calyx-lobes lanceolate, acuminate ; bracteoles lobed or cut 

 Petals yellow, orbicular. Achenes numerous, smooth, on a villous elevated receptacle. 



tt Leaves not intenmptedlt/ pinnate (^alternate lea/lets not smaller except sotne- 

 times in 19. P. leuconota). 



15. P. Zieschenaultiana, Ser. in DC, Prodr. ii. 584; robust, villous, 

 hairs long spreading soft and silky, leaflets 5-7 obovate or broadly elliptic obtuse 

 coajsely toothed white beneath, flowers corymbose, petals obeordate, achenes on 

 an elevated receptacle wrinkled, style subterminal. Wight Ic. t. 990 ; Wig^ 9 

 Am. Prodr. ^0\ ; Lehm. Monogr. PotentilL Suppl 1, t. 3 ; Revis. 41. P- ^ra- 

 hamiana, Wight Cat. 



Temperate Western Himalaya, from Kashmir to Kumaox. Nijlghihi Hu-^^ 

 abundant. -^^ 



Rootstock short, stout. Leaves 1-10 in.; leaflets usually 5, sometimes 9 or even 

 11, i-1 in., merabranons or rather coriaceous, teeth acute or obtuse; petiole slender, 

 Btipules, lower membranous entire, upper often leafy and toothed. Flowering ^^'^^ 

 erect or ascending, 2-18 in., usually corymbosely branched above, the corymbs lax an 

 spreading or close. Fhwers subsessile or long-pedicelled, ^-^ in. diam., yello^; 

 rarely white. Calyx villous or silky, lobes triangular or oblong, acute or subacute , 

 bracteoles linear, oblong, acute. Petals longer than the calyx, orbicular obeordate o 

 more obcuneate. Carpels numerous. Achenes on an elevated and often globose na^ 

 receptacle, variable in size, minutely wrinkled. —A most variable plant, often a to 

 side weed. _ 



Var. bannehalensis ; tall, more slender, copiously branched alx>ve, leaflets ^^^^ 

 white (rarely green) l>eneath, flowers 1 in. diam. on slender pedicels, calyx ^^^^^'^^ 

 very acute. P. bannehalensis, Camh. in Jacq. Voy. Bot. 52, t. 64 ; Lehm. ^^^' 

 PotentilL 41.— Kumaonto Kashmir, alt. 6-12,000 ft. 



16. P. fk*a?arioldes, Linn. ; Ledeb. Fl. Pass. ii. 38 ; villous or ha^ 

 hairs soft silky, leaflets 5-7 elliptic or oblong obtuse coarsely toothed hn«u 



but not white or silvery beneath, flowers corymbose, petals obovate or ^^^^^2 ' 

 achenes on an elevated receptacle, style subterminal. Lehtn. Revis. PotentUl- -^' 

 Maximov. Diagn. Dec. xv. 158. P. Gerardiana, Wall. Cat. 1023 ; Lehm. L^ 



j'^ " 



P. variabilis, Klotzsch in Reis. Pr. Waldem. Bot. t. 11. P. Munroana, 

 Ind. Sem. Hort. Hamb. 1849, 7 ; Rem. PotentiU. 40, t. 13. 



.Temperate Himalaya, from Wazeristan, Stewart, to Kumaon and Bhota^' 

 DiSTBiB, Siberia to China and Japan. 



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