546 LULEÅ. 



certain declivity at Tornoea die to the 

 number of two or three hundred in ihe 

 course of the summer. I must examine 

 whether the cause of this may not be the 

 Water Hemlock {Ciciita aquatica). 



Could not meadows be freed from their 

 wart-like tumps by burning? These swell- 

 ings might be cut off with an oblique 

 hatchet, in spring after the frost ceases, and 

 burnt in a heap ; their ashes would serve 

 as a valuable manure for the corn-field. 

 Sandy grounds are rendered fertile with 

 bog-earth ; clay with sand. Ledum (pa- 

 lustre) is laid among corn in the barns, to 

 drive away mice. 



I here obtained some of Nasaphiel's sil- 

 ver ore, and the curious iron ore of Lulean 

 Lapmark, called gubbsilf'ver (old man's 

 silver). The mine is not yet exhausted. 

 The working of it had been for some time 

 discontinued, but it is now resumed. It 

 yields sixty per cent. It is situated a mile 

 distant from Jockmock, and is called 

 Rutawari. I procured also from the pa* 



