112 26. ROSACE.E. 



7. P. silves'tris (Neck.) ; st. procumbent or ascending, 1. 

 ternate sessile or shortly stalked, lower 1. quinate on long stalks, 

 Its. lanceolate or obovate-cuneate incise-serrate, pet. obcordate, 

 carpels longitudinally wrinkled. P. Tonnentilla (Nestl.) ed. viii. 

 Tormentilla officinalis L. E. B. 863. Hi. 34. 1 2. Kootstock 

 large, woody. L. all nearly sessile, except the lowest, which 

 are often ternate ; Its. acute, rather hairy. Slip, deeply cut. 

 Fl. small, yellow, usually with 8 sep. and 4 pet. P. mixta 

 (Nolte) * ; 1. stalked, Its. obovate-oblong acutely serrate, stip. 

 entire. A hybrid between Sp. 6 and 7. ft. P. procmnbeus 

 (Sibth.) ; leaflets obovate-cuneate deeply cut, 1. 5-nate or3-nate 

 .stalked, stip. entire or trihd. Fl. usually larger. Sy. E. P>. 

 431. In dry places, ft. Woods and hedgebanks. P. VI. 

 VIII. E. S. I. 



fft Leaves ternate. 



*8. P. norvegica (L.) ; st. erect, Its. obovate coarsely toothed , 

 pet. falling short of cal. obovate, carp, glabrous longitudinally 

 wrinkled. E. B. iii. Suppl. 435 A. St. 6 12 in. Fl. crowded 

 in term, cymes. Naturalized in Yorks. and elsewhere. A. or 

 1>. VI. VIII. K 



** Hairs on the receptacle long, carpels hairy at the scar or all 

 over. 



9. P. fruticosa (L.) ; shrubby, L pinnate, leaflets mostly "> 

 oblong acute entire hairy with revolute margins. E. B. 88. St. 

 3 4 feet high. Fl. large, yellow, terminal.- Teesdale. Wast- 

 dale. Galway. Clare. Sh. VI. VII. E. I. 



10. P. Fragarias'trum (Ehrh.) ; st. procumbent, /. ternate 

 greyish green, leaflets roundish obovate serrate silky on both sides, 

 pet. narrowly obcordate not contiguous, carp, glabrous except 

 at the scar smooth or wrinkled transversely. E. B. 1785. 

 Hairs on the upperside of 1. bulbous-based. Fl. small, white. 

 Woods, banks. P. IV. V. Barren Strawberry. E. S. I. 



9. COM 'ARUM Linn. Marsh Cinque-foil. 



1. C. palus'tre (L.).E. B. 172. Potentilla (Scop.). St. 

 ascending, 1 foot high, reddish. L. pinnate. Leaflets 5 7, 

 elliptic oblong, acute, sharply serrate. Fl. several, dark purple ; 

 cal. purple within ; pet. small. Dittering from Potentilla by its 

 enlarged spongy receptacle. Marshes and peaty bogs. P. VII, 



E.S.I. 



