104 POTENTILLA. 



2. p. tride'ntata. 



Leaves evergreen ; leaflets cuneate, 3-toothed at the end ; flowers terminal, 

 corymbose; petalslonger than the calyx. On the White Mountains, &c. 

 The root and lower part of the stem woody. Stems erect, round, panicled, 

 hairy, 4 — 8 inches high. Leallets sessile, leathery, oblong, ending in :j large 

 teeth. Flowers few, in a sort of corymb. Petals obovate, white. June. 

 Per. Mountain PutenL'dla. 



* " Leaves digitate. 



3. P. Canade'nsis. 



Villose-pubescent; sterns sarmentose, procumbent, and ascending; leaves 

 palmately 5-foliate, the leaflets obovate, silky beneath, cut-dentate towards 

 the apex, entire and alternate towards the base ; stipules hairv, deeply 2 or 3- 

 cleft, or entire ; pedicels axillary, solitary ; bracteoles of the calyx longer than 

 the segments, and nearly as long as the petals. Common in fields and thick- 

 ets. Stems more or less procumbent at base, from a few inches to a foot or 

 more in length. Flowers yellow, on long pedicels. Calyx segments lanceo- 

 late or linear. Apr. May. Common CinquefoiJ . 



». sarmcntosa. Very small and delicate. Stems procumbent, running a 

 foot or more. Flowers small, low among the grass, on slender peduncles. 



Running Cinquefoil. 



fi. simplex. Stem simple, erect or ascending at base. Plant nearly smooth. 

 Leaflets oblong-oval, coarsely serrate. 



4. P. arge'ntea. 



Leaves quinale; leaflets cuneate, cut, revolute on the margin, white and 

 downy beneath ; ^?em ascending. A small species frequent in fields, remarka- 

 ble for the silvery canescence on the under side of the leaves. Stem half a 

 foot high, white and cottony, half-erect, spreading. Flowers numerous, in cor- 

 ymbose, terminal panicles, small, yellow, in. — Sept. Per. Silvery Cinquefoil . 



5. P. FRUXrCo'SA. P. floribunda. 



S/em fruticose, hairy, erect, branching; leaves innnnte; leaflets ohlong-\in- 

 ear, revolute, entire ; petals longer than the calyx. A shrubby plant. 1 — 2 

 feet higli, found in bogs and low grounds. Stem very branching. Leaves 

 alternate, on slender stalks, and consisting of 5 — 7, oblong, very entire leaflets. 

 Flowers yellow, in crowded, terminal corymbs. Jn. Per. Bushy Cinquefoil. 



6. P. anseri'na. 



Leaves interruptedly pinnate, serrate, silky; stem slender, creeping and 

 rooting ; peduncles axillary, solitary, 1-flowered. A handsome, creeping plant, 

 with much silvery foliage and large golden flowers, in wet meadows. Stems 

 long, hairy, reddish. Leaves composed of 7 — 19 pairs of leaflets, the alternate 

 ones smaller, covered beneath with white, silvery hairs. Flowers 3-ellow, on 

 long stalks. Jn. Per. Silver-weed. Goose-grass. 



7. P. ARGU'tA. p. Bootia sylvestris. B. 



Stem erect ; radical leaves pinnate, on long petioles, hairy and pubescent ; 

 cutdine ones few ; leaflets hToa.d\y-ova.te, cui-seTTaie ; floiccrs in small, termi- 

 nal, nearly sessile cymes. Along streams, «?kc. Stems 2 — 3 feet liigh, large, 

 round, striate, and witii the rest of the plant very pubescent. The upper 

 leaves are simple and 3-foliate ; lower ones 5 — 9-foliate Peduncles dichoto- 

 mous, with dense clusters of white flowers. Disk glandular, 5-lobed, stellate. 

 May. June, raise ./}cc7is. 



