1052 



wall near the junction of the Balder with the Tees, in company with 

 Hieracium caesium and Civcsea lutetiana, 



Polemonium ccerideum. Ascends to upwards of 600 yards, in a 

 limestone hollow near the station for Saxifraga Hirculus, on the banks 

 of Netherheath Syke, Westmoreland, with Asplenium viride, J. Back- 

 house, jun. (Phytol. i. 892). 



Mentha aquatica. Ascends to 400 yards (44 deg.), in a streamlet 

 near Langdon Bridge, Durham. 



Origanum vulgare. Ascends to 350 yards (45 deg.), in the wood 

 behind the High-Force Inn, Durham. 



Stachys Betonica. Ascends to 350 yards (45 deg.), in High-Force 

 Wood, Durham. Superagrarian zone. 



Primula farinosa. Ascends to 600 yards (42 deg.), on the summit 

 of Widdy-bank Fell (Black Moor), Durham ; and probably higher on 

 the Yorkshire side of the Tees. 



Plantago media. Ascends to upwards of 400 yards, on the eastern 

 portion of Falcon Glints, Durham. 



Chenopodium Bonus-Henricus. Ascends to 400 yards (44 deg.), 

 near Langdon Bridge, Durham, 



Polygomnn Bistorta. Ascends to 300 yards (45 deg.), on the York- 

 shire bank of the Tees, at Wince Bridge, with P. viviparum. 



Rumex sanguineus. Ascends to 200 yards (46 deg.), on the road- 

 side near Cotherstone, Yorkshire. 



Salix pentandra. Ascends to 450 yards (44 deg.), on the margin 

 of the Whey Sike, Widdy Bank, Durham. 



Salix hicolor. In the forms Croweana, Weigeliana, and nitens, 

 frequent throughout the superagrarian zone, in Teesdale and Wear- 

 dale. 



Allium ursinum. Ascends to 300 yards (45 deg.), along the road- 

 side near Unthank, Yorkshire. 



Juncus glaucus. Ascends to 200 yards (46 deg.), along the road- 

 side near Cotherstone, Yorkshire. 



Blysmus compressus. Ascends to 500 yards (43 deg.), along the 

 margin of the Whey Sike, Widdy Bank, Durham, in company with 

 the next species. 



Elyna caricina. Descends to 500 yards (43 deg.), along the mar- 

 gin of the Whey Sike, with Bartsia alpina. 



Carex Persoonii, Sieb. Descends to 400 yards (44 deg.), near the 

 junction of Whey Sike with the Harewood Beck, Durham. 



Avena Jlavescens. Ascends to 400 yards (44 deg.), in meadows 

 near Langdon Bridge, Durham. 



