POTENTILLA. 93 



" I am disposed to consider it as a Potentilla" W. Wilson. 

 Dry summits of Scottish mountains. P. VII. S. 



8. POTENTILLA Linn. Cinque-foil. 



* Hairs on the receptacle shorter than the glabrous carpels. 



t Leaves pinnate. 



1. P. rupestris (L.) ; st. erect dichotomous, leaflets roundish- 

 ovate unequally cut and serrate 5 7 on the lower leaves, on the 

 uppermost 3. E. 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. interruptedly pinnate, leaf- 

 lets many oblong acutely serrate silky beneath, peduncles soli- 

 tary. E. B. 861. St. 4. l.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. 



ft Leaves digitate. 



3. P. argentea (L.) ; st. decumbent or ascending, I. quinate, 

 leaflets obovate-cuneate incise -serrate white and downy beneath 

 their margins revolute. E. B. 89. St. \7. 1. Fl. yellow, small, 

 in terminal corymbs. Dry gravelly places. P. VI. VII. 



4. P. intermedia (Nesl.); st. ascending, I. of 7 hairy linear- 

 cuneate leaflets deeply serrated throughout green on both sides, 

 st.-l. ternate, teeth 5 or more on each side of a leaflet. P. opaca 

 Sin. E. B. 2449. Fl. 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. S. 



5. P. verna (L.) ; st. prostrate, lower 1. 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. S. 



6. P. alpestris (Hall.) ; st. ascending, lower 1. quinate, leaflets 

 obovate-cuneate somewhat hairy deeply cut in 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. E. S. 



7. P. reptans (L.) ; st.Jiliform procumbent rooting, I. quinate 

 stalked, leaflets obovate bluntly serrated, peduncles solitary, pet. 

 obcordate with a long claw, carpels granulate-scabrous. E. B. 



