NASTURTIUM — CHEiRANTHUS. 26 1 



in the vales, and occasionally beyond their limits. Carperby, 

 Burton Constable, Ainsty, Sheriff Hutton, Thirsk, Ganthorpe, 

 Terrington, etc. 



Nasturtium sylvestre R.Br. English type. Native. Area 

 876.32 I, Range o-ioo. Watery places, frequent in the 

 vales and occasionally beyond their limits. Banks of the Swale, 

 Wiske, Ouse, Foss, and Derwent In Cleveland at Newton, and 

 in Coatham Marshes. 



Nasturtium amphibium R.Br. English type. Native. 

 Area 8.6.321. Range o-ioo. Watery places, frequent in 

 the damper parts of the vales. 



Sisymbrium officinale L. British type. Native. Area 

 general. Range 0-250. Common along road-sides and in waste 

 ground in the low country, ascending in Swaledale to High 

 Fremington, in Wensleydale to Aysgarth. 



Sisymbrium Sophia L. English type. Native. Area 

 87.5.32. Range 0-150. In similar situations to the pre- 

 ceding, but much less frequent. Brompton-on-Swale, Wensley, 

 Fencote, Carthorpe, Nosterfield, Thirsk, North Kilvington, 

 Middlesbrough, Malton, Scarborough, etc. 



Sisymbrium Irio L. AHen. Old walls at York;/. Black- 

 burn, 1850. Name authenticated by F. A. Lees. 



Erysimum cheiranthoides L. Alien. Occasionally sub- 

 spontaneous in cultivated fields and waste ground. Leeming, 

 Masham, Well, Thirsk, York, Hovingham, Terrington, etc. 

 E. virgatum has been met with by James Ward in Swaledale, 

 between Reeth and Marrick. 



Erysimum Alliaria L. British type. Native. Area 

 general. Range 0-250. Common upon shaded banks in the 

 low country, ascending in Swaledale to the foot of the Red Scar 

 near Downholme, and in Gretadale to Gilmonby near Bowes. 



Cheiranthus Cheiri L. Alien. Occasionally subspon- 

 taneous or planted on old walls. Bowes Castle, Rokeby Castle, 

 Mortham's Tower, Richmond Castle, Redmire, Jerveaux Abbey, 



Aug. 1889. 



