174 FLORA OF THE EAST RIDING OF YORKSHIRE. 



1378. Ulmus surculosa. 



(Common Elm. " Oum," E.R.D.). 



Denizen, Eng. March, III. 



Much in evidence, and some big specimens in the Holder- 

 ness divisions, the corky variety, suberosa, Ehrh, being 

 common, as at Burton Constable, Wansford, Bilton-in- 

 Holderness, and Thixendale. 



1379. Humulus LupulUS. Linn., 86. 



(Hop). 

 Denizen, Eng., 1-7. August, IV. 



Frequent in hedges in the E. Riding, Cottingham,* 

 Barlby, &c. (W.N.C.), near Howden (J.B.). Crops of this 

 plant were formerly grown near Selby. 



1380. Urtica dioica. Linn., 112. 



(Stinging Nettle. " Tenging Nettle," E.R.D.). 



Native, Brit., 1-7. August. 



Common everywhere near dwellings or remains of 

 dwellings. Var. angustifolia, A. BlytL, occasionally. 



1382. U. urens. Linn., 108. 



(Small Nettle). 



Native, Brit., 1-7. July and August. 



Roadsides near villages and farms. 



1383. Parietaria officinalis. Linn., 94. 



(Wall Pellitory). 



Native, Brit., 2, 5, 6, 7. August. 



Not common. Beverley (Dr. Hull), Cottingham and 

 other old churches. Kirkham Abbey (M.B.S.). In 

 Derwentland (W.N.C. and J.B.). 



