ERICA — VACCINIUM. 335 



Erica Tetralix L. British type. Native. Area 987.5 

 4321. Range 0-750. Common upon heaths, ascending to 

 the peak of Lovely Seat. It is much more abundant than E. 

 cimrea both upon the vale heaths and in the upper zone, and 

 the two added together are very much less plentiful than Calluna. 



Erica cinerea L. British type. Native. Area 987.5 

 4321. Range 0-650. Common upon heaths throughout the 

 Agrarian region. 



Calluna vulgaris Salisb. British type. Native. Area 

 general. Range 0-850. Everywhere common upon heaths, 

 ascending from the vale heaths to the summits of all the higher 

 hills. Several hundreds of square miles are mainly covered 

 with this species, and there are extensive tracts of it in all the 

 districts except the Ainsty. 



Andromeda polifolia L. Intermediate type. Native. 

 Area 9 . i. Range 0-500. Strensall Common, on the side 

 nearest Stockton, where it was found long ago by R. Spruce, 

 and has been gathered recently by B. B. Le'I'all. On a high fell 

 nearly a mile from the old station of Saxif/aga Hirciiliis in 

 Balderdale, discovered in 1884 by W. Foggitt, of Thirsk, and 

 A. Smith, of Durham. 



Arbutus Uva-ursi L. Highland type. Native. Mon- 

 tane. Area 9 . 3. Range 350-500. In Teesdale on Cronkley 

 and Bleabeck scars, and by the stream-side above the High 

 Force. Abundant amongst long ling on the hills between 

 Lcvisham and Cawthorne Cam[)s; Robert Braithivaite. 



Vaccinium Myrtillus L. British type. Native. Area 

 987.5432 I. Range 0-850. Common in heathy places, 

 ascending from the vale heaths to the peaks of most of the 

 higher hills. 



Vaccinium uliginosum L. Incognit. Mentioned in 

 •''othergill's list of Wensleydale plants, but not otherwise known 

 to me as a North Yorkshire species. It occurs in Teesdale 

 upon the Durham side of the river. 



Jun. \Z:p. 



