I02 IXORA OF THE EAST RIDING OF YORKSHIRE. 



565. Rosa canina. Linn., 112. 



(Wild Dog Rose). 

 (Fruits= " Dog-jumps = Hips,'-' E.R.D.). 



Native, Brit., 1-7. July, H. 



Equally as common in all the East Riding division as 

 Rosa arvensis, and the following varieties have been defi- 

 nitely determined: — Vars. dumalis Bechst., dumetorum 

 Thuill, and arvatica Baker ; the last three at Leckonfield, 

 fide Rev. W. Moyle Rogers (C.W.) ; urbica (Leman) from 

 Ganstead, Holderness (C.W., fide Rev. W. M. R.). The 

 varieties dumalis, Bechst. ; urbica, Leman ; dumetorum, 

 Thuill; subcristata. Baker; and Bakeri, Desegh., all at 

 Langwith (H.J.W., 1883 or 188^). Vars. arvatica, Baker 

 and Watsoni, Baker, at Skipwhh (H.J.W., 1883). Var 

 tomentella, Leman, at Heslington (H.J.W., 1883). 



56S. R. arvensis. Hmh., 69. 



(Trailing- Dog Rose). 

 Native, Eng., 1-7. J"ly> ^^^ 



Common in Holderness, and on the chalk as near Cotting- 

 ham, Swine, Willerby, &c. The vars. not yet made out. 



569. R. rubella. Snt., i. 

 (Red-fruited Dwarf Rose). 



Alien, Incognit. 



Near Sutton on Wolds (B.). Not confirmed of late. 



577- Pyrus aria. AVir/i., 50. 



(White Beam Tree). 



Denizen, Eng., 1-7. J>-ily, HL 



In copses, commonly planted and thence self-grown. In 



Holderness and on the Wolds. At Cottingham, Willerby. 



Var. b. rupicola, Syme, at Clift" Common (H.F.P. in Bot. 



Rec. Club Report). 



580. P. intermedia. Ehrh. 

 Alien. 

 At North P'erribv. 



