114 26. ROSACES. 



\ 

 18. PYRUS Linn. 



1. P. communis (L.) ; 1. simple ovate serrate, flowerstalks 

 corymbose, fruit turbinate, styles distinct. E.B. 1/84. Gerraen 

 woolly. Leaves sometimes obovate suddenly contracted into a 

 long very acute point. Hedges and woods. T. IV. V. Wild 

 Pear tree. 



2. P. Mains (L.) ; 1. ovate acute serrate, fl. in a sessile umbel, 

 fr. globose, styles combined below. E. B. 179- a. P. acerba 

 (DC.) ; young branches calyx-tube and under side of the 1. gla- 

 brous. /3. tomentosa(Koch}; the same parts pubescent or woolly. 

 Woods and hedges. T. V. Crab tree. 



[3. P. domestica (Sm.) ; 1. pinnate downy beneath serrate, 

 fl. panicled, fr. obovate. E. B. 350. Fr. resembling a small 

 pear. One tree in Wyre Forest. T. V. Service tree.] E. 



4. P. aucuparia (Gaert.) ; 1. pinnate downy beneath serrate, 

 fl. corymbose, fr. (small red) globose. E. B. 337. Hilly woods 

 and on mountains. T. V. VI. Rowan tree. Mountain Ash. 



5. P.fennica (Bab.) ; I. oblong doubly serrate near the apex pin- 

 natifid below, pinna lanceolate oblong serrate, under side white 

 and downy, fl. corymbose. E.B. 2331 ? P. pinnatifida Sm., Sor- 

 busfennica Kalm, Fries. Fr. scarlet. Lower part of the 1. often 

 truly pinnate, the lobes becoming more and more combined as 

 they approach the extremity of the leaf which is only deeply 

 and doubly serrate. Mountains in the northern part of the Isle 

 ofArran. T. V. S. 



6. P. Aria (Sm.) ; I. oval or oblong unequally and doubly 

 serrate or slightly lobed towards the end nearly entire below, la- 

 teral veins about 1 2 on each side, under side white and downy, 

 fl. corymbose. E. B. 1858. Fr. scarlet. Hilly and mountain 

 woods. T. V. White Beam tree. 



7. P. scandica (Bab.) ; 1. broad lobed, lobes triangular-oval 

 toothed deepest towards the middle of each side of the 1., lateral 

 veins about 7 on each side, under side white, fl. corymbose. 

 Sorbus scandica Fries. " Fr. red." Basal i of 1. finely serrate, 

 apical i narrowly lobed. The continental distribution shows that 

 neither this nor P.fennica can be hybrids. Hilly woods. T. V. 



8. P. torminalis (Sm.) ; I. ovate or cordate lobed glabrous, 

 lobes triangular acute serrate the lower ones larger and spread- 

 ing, fl. corymbose. E. B. 298. Fr. oval, brown. Woods and 

 hedges chiefly in the south. T. IV. V. Wild Service tree. E. 



