90 26. ROSACER. 
Pet. very small. “ Pistils and stam. very variable in number. I 
am disposed to consider it as a Potentilla.”’ W. Wilson.—Dry 
summits of Scottish mountains. P. VII. 5. 
8. PorentTiLia Linn. 
* Hairs on the receptacle shorter than the glabrous carpels. 
t Leaves pinnate. 
1. P. rupestris (Li.); st. erect dichotomous, leaflets roundish- 
ovate unequally cut and serrate 5—7 on the lower leaves, on the 
uppermost 3.—H. B. 2058.—Fl. white, large. Pet. much longer 
than the calyx. Base of 1. wedgeshaped. St. 1—2 feet high.— 
On Craig Breidden, Montgomeryshire. P. V. VI. E 
2. P. anserina (L.); st. creeping, 1. intterruptedly pimnate, leaf- 
lets numerous oblong acutely serrate silky beneath, peduncles 
solitary —E. B. 861. St. 4. 7—Fl. yellow, large. L. green 
above, white and silky beneath; or white and densely silky on 
both sides.—Road-sides. P. VI. VII. Silver Weed. 
tt Leaves digitate. 
3. P. argentea (L.); st. decumbent or ascending, 1. quinate, 
leaflets ohbovate-cuneate incise-serrate white and downy beneath 
their margins revolute.—E. B. 89. St. 17. 7.—Fl. yellow, small, 
in terminal corymbs.—Dry gravelly places. P. VI. VII. 
4. P. intermedia (Nesl.); st. ascending, J. of 7 hairy linear- 
cuneate leaflets deeply serrated throughout green on both sides, st.- 
1. ternate, teeth 5 or more on each side of a leaflet.—P. opaca 
Sm. £.B. 2449.—F. on long simple solitary axillary or panicled 
stalks, yellow. Serratures large distant, extending to the base of 
the leaflet. I have not seen specimens.—Clova and Balquidder. 
P. VI. 
5. P. verna (L.); st. prostrate, lower \. of 5—7 obovate leaf- 
lets serrated towards the end bristly on the margin and ribs be- 
neath, teeth 2—4 on each side, lowest stipules narrowly linear.— 
E. B. 37. St.17.8.—St. woody, about 5 in. long. Fl. yellow, 
solitary or 2 or 3 together. The terminal tooth of the 1. usually 
smallest and shortest—Dry pastures. P. IV. V. E. 8. 
6. P. alpestris (Hall.); st. ascending, lower |. quinate, leaflets 
obovate-cuneate somewhat hairy deeply cut im the upper half, 
teeth about 4 on each side, stip. all ovate—E. B. 561. P. salis- 
burgensis (Haenke) St. 17. 10.—Larger than the preceding. All 
the teeth of 1. equal.—Mountains. P. VI. VII. EK. 8. 
7. P. reptans (L.); st. filiform procumbent rooting, 1. quinate 
stalked, leaflets obovate bluntly serrated, peduncles solitary, pet. 
obcordate with a long claw, carpels granulate-scabrous —E. B. 
862.—L. on long stalks, often with a bunch of small 1. in their 
