1 14 26. ROSACEA. 



18. Pyrus Linn. 



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

 eorymbose,/™ii turbinate, styles distinct. — E.B. 1784. — Germen 

 woolly. Leaves sometimes obovate suddenly contracted into a 

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

 Pear tree. 



2. P. Malms (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(Bah.): I. oblong doubly serrate near the apex pin- 

 natifid below, pinnrn 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 

 of Arran. 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. 



