116 ROSACES. [PoTKNTII.LA. 



Heaths, copses, dry pastures ; ascending to 3,300 ft. in the Highlands ; fl. June- 

 Sept. Slightly hairy. RootstockstoMt, almost tuberous. Stems 6-10in., slender, 

 lateral, prostrate then ascending, leafy, clothed with curly hairs. / 

 sessile ; radical petioled, leaflets - in., obovate-cuneate, 3-4-toothed or 

 -lobed near the tip ; cauline subsessile, leaflets much narrower ; stipules 

 foliaceous, cut. Flowers ^-f in. diam., rarely solitary, yellow. Cali/x- 

 seffments ovate, bracteoles linear, as long. DISTRIB. Europe (Arctic), W. 

 Siberia, Azores. Rootstock strongly astringent, used for tanning. 



VAR. 1, erec'ta, L. (sp.); suberect, cauline leaves sessile 3-foliolate, cyme corym- 

 bose. P. sylvestris, Necker. VAR. 2, procum'bens, Sibthorp (sp.) ; procum- 

 bent, often rooting, cauline leaves 3-5-foliolate, often petioled, flower.-; very 

 few or solitary. P. mixta, Neck. ; Tormentil'la rep' tans, L. 



5. P. rep'tans, L. ; stem slender creeping and rooting, leaves digitutcly 

 5- rarely 3-foliolate long-petioled, flower solitary on slender axillary 

 peduncles, petals 5 yellow, achenes granulate. P. nemoralis, Nestl. 

 Meadows, waysides and pastures ; fl. June-Aug. Very variable in size ; 



usually larger than P. Tormeiitilla, and having besides the above characters 

 bracteoles as broad as the sepals,and flowers g-1 in. diam. DISTRIB. Europe, 

 N. and W. Asia to the Himalaya, W. Europe from Gothland southwards to 

 Italy (excl. Spain), Canaries and Azores. 



6. P. ver'na, L.; stem prostrate, leaves digitately 5-7-foliplate, leaflets 

 obovate or cuneate truncate deeply crenate or lobulate towards the tip, 

 flowers several yellow, achenes smooth glabrous. 



Hilly pastures and rocky places, local ; from Forfar to Cambridge and Somer- 

 set ; absent in Ireland; fl. April-June. More or less hairy. JtmtM,,,-k 

 woody, branched, tufted. Radical leaves 2-3 in.; stipules with narrow 

 subulate tips ; leaflets f in., green on both surfaces ; terminal tooth 

 short ; cauline 1-3-foliolate, their stipules ovate-lanceolate. Floirers few, 

 $ in. diam. DISTRIB. Europe (Arctic), Siberia, W. Asia to the Himalaya. 



7. P. salisburjren'sis, Hacnke ; stem ascending, leaves digitately 5-7- 

 foliolate, leaflets obovate or cuneate deeply crenate or serrate usually above 

 the middle, flowers several yellow, aehenes smooth glabrous. P. alpcstris, 

 Hall. f. ; P. aurea, Sm. not L. 



Rocky ledges in alpine districts, Breadalbane, Braemar, Yorkshire, Westmore- 

 land, and Cardigan ; ascends to 2,700 ft. in the Highlands ; fl. June-July. 

 Probably a larger form of P. verna, with ascending stems, 4-10 in., larger 

 less truncate leaflets (but not constantly so), and flowers 1 in. diam. 

 DisTiUB. Europe (Arctic), N. and W. Asia, Greenland,Labrador. Lehmann. 

 Babington, and others adopt Pourret's name of P. muculata for this ; it 

 is coeval with that of *>t //.</;// ///< .>./., and I have taken the latter because the 

 spotted-petalled form (which occurs on Ben Lawers) is a scarce one. 



8. P. anseri'na, L. ; stoloniferous, silky, leaves interruptedly piiuwir, 

 leaflets many deeply serrate or pinnatifid, the alternate minute, flowers 

 solitary yellow, achenes glabrous smooth. Silver Weed. 



Roadsides and damp pastures ; ascends to 1,000ft. in Yorkshire ; fl. July-Aug. 

 Softly silky, especially on the leaves (hence silvery) beneath. Koototod 

 slender, branched. Stems 0. Leaves 2-5 in., stoloniferous from their axils ; 

 leaflets -2 in., alternate, close-set, sessile, obovate-oblong, obtuse, serratures 

 tipped with silky hairs. Flows $-$ in. diam. on solitary axillary slender 



