ROSE FAMILY 



151 



on the under side or on both surfaces ; flowers solitary, yellow, 

 much as in the preceding. — Roadsides ; common. — Fl. June — 

 August. Perennial. 



10. P. riipestris (Rock Cinquefoil), a Lall erect species, i — 2 

 feet high, with pinnate leaves of 3^7 leaflets and large white 



c6MARUiM PALUSTRg {Marsk CinquefoU). 



flowers, is found only on limestone rocks in Montgomeryshire. 

 — Fl. May, June. Perennial. 



w. P. argentea (Hoary Cinquefoil). — Stem nearly prostrate; 

 leaves quinate, white underneath with adpressed wool, their edges 

 rolled back ; flowers small, yellow, several together. — Dry gravelly 

 places ; not common. — Fl June, July. Perennial. 



