POTENTILLA. Ill 



8. POTION TIL' LA Linn. Cinque-foil. 



* Hairs on the receptacle shorter than the ylabrous carpels. 

 t Leaves pinnate. 



1. P. rupes'tris (L.) ; *t. erect dichotomous, leaflets roundish- 

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

 the uppermost 3. E. B. 2058. Fl.-hoots annual. Pet. white, 

 much longvr than the calyx. Base of 1. wedgeshaped. St. 1 

 2 feet high. Craig- Breidden, Montgomeryshire. Radnor- 

 shire. P. V. VI. E. 



2. P. Anserina (L.) ; st. creeping, 1. interruptedly pinnate, 

 leaflets many oblong acutely serrate silky beneath, peduncles 

 solitary. JE. B. 861. St. 4. 7.FI. yellow, large. L. green 

 above, white and silky beneath ; or white and densely silky on 

 both sides. Roadsides. P. YI. VII. Silver Weed. E.S.I. 



ft Leaves digitate. 



3. P. argen'tea (L.) ; st. ascending, I. quinate, leaflets obovate- 

 cuneate incise-serrate white and downy beneath their margins 

 revolute. E. B. 8ti. St. 17. 7. Fl. yellow, small, in terminal 

 corymbs. Dry gravelly places. P. VI. VII. E. S. 



4. P. ver'na (L.) ; st. prostrate, lower 1. of 5 7 obovate leaf- 

 lets serrate towards the end bristly on the margin and ribs be- 

 neath, teeth 2 4 on each side, lower stipules narroivly 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. 



o! P. rubens (Vill.) ; 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. P. maculata (Pourr.) 

 ed. viii. P. aipestris (Hall.). P. Salisbury ensis (Haenke). St. 

 17. 10. Sy. E. B. 429. Larger than the preceding. All the 

 teeth of 1. equal. Outer sep. oblong, blunt ; inner twice as broad 

 ovate, acute. [A weak form with short stems and deeply cut Its. has 

 been referred to var. debilis (Koch).] Mountains. P. VI. VII. E. S. 



6. P. rep' tans (L.) ; st. filiform prostrate rooting, I. quinate 

 stalked, leaflets obovate bluutly serrate, peduncles solitary, pet. 

 obcordate, carpels asperous. E. B. 8(52. L. on long stalks, often 

 with a bunch of small 1. in their axils, sometimes solitary, usu- 

 ally in pairs. Leaflets blunt, rough or hairy on their ribs and 

 margins. Fl. on long stalks, yellow. Sometimes the 1. and cal. 

 are covered with long silky hairs on both sides. [A small tufted 

 form is var. microphylla (Tratt.).] Roadsides and banks. P. VI. 

 IX. E. S. I. 



