PTRUS. 131 



3. p. Aumpdria (Gaert.) ; I. pinnate downy beneath serrate, 

 Jl. cm-ymhose, fr. (small red) globose. — Oormyb 4 — 6 in. across. 



Lts. 12— 16.— HiUy woods. Mountains. T. V. VI. Howard- 

 tree. Mountain-Ash. E. S. I. 



4. P. fen'nica (Syme) ; 1. oblong-serrate usually pinnate below 

 with 1—4 pairs of free decurrent Its. and 1 — 2 pairs of nearly 

 free lobes, Its. and lobes oblong or narrowly elliptical, underside 

 grey-webbed, fl. corymbose. — Sorbusfennica Fr. — Lobes blunt or 

 acute as the term, tooth is more or less prominent. Hybrid (?) 

 between Sp. 3 and 5. — Glen Oatacol, Arran, S., in small quan- 

 tity. S. 



5. p P. scan'dica (Sjnme) ; I. oblong doubly serrate near the 

 apex pinnatifid below, lobes oblong-lanceolate serrate, underside 

 white and downy, fl. corymbose. — P. pinnatifida Sm. E. B. 

 2381. P. fennica Bab. not Fr. — Fr. scarlet. Lower part of 

 the 1. often subpinnate, the lobes becoming more and more com- 

 bined as they approach the extremity of the leaf which is only 

 deeply and doubly serrate. — Glen Eis-na-Kearradh, Arran, in 

 small quantity. T. V. S. 



6. P. Aria (Sm.) ; I. of fi.-shoot roundly oval or elliptic, 

 entire below unequally and doubly serrate or with many small 

 broad lobes especially towards the end, lateral veins 9 — 14 on 

 each side, underside of 1. uniformly snowy-white-felted, fl. corym- 

 bose. — E. B. 1858. — ^Lobes deepest a little below the end of the 

 leaf. — Chalky banks and limestone rocks. T. V. E. I. 



7. P. rupic'ola (Syme) ; I. of fi.-shoot obovate narrow and 

 entire below with many small broad lobes on the upper half, 

 deepest near the end, lateral veins 5 — 8 on each side, wnderside 

 of I. uniformly snowy-white-felted, fl. corymbose. — Sy. E. B. 

 483. — Often the basal half of the edge of 1. is entire. — ^Exposed 

 rocks. T. V. E. L 



8. P. latifdlia (Syme) ; I. of fi.-shoot elliptic with triangular- 

 oval acutely serrate lobes deepest near the middle of the sides 

 of leaf, lateral reins 6 — 9 on each side, underside of I. ashy- 

 felted fiocculent, fl. corymbose. — Sy. E. B. 484. P. scandica 

 Bab. not Fr. — L. often very acute with very acute lobes which 

 are longer than broad, basal ^ finely serrate. Fr. dark or reddish 

 brown.— HiUy woods. T. V. E. 



9. P. tormindlis (Sm.); I. ovate or cordate lobed glabrous, 

 lobes triangular acute serrate the lower ones larger and spreading, 

 fl. corymbose. — E. B. 298. — Fr. oval brown. — ^ Woods and hedges 

 in the South. T. IV. V. Wild Service-tree. B. 



